Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20721 

evaluation in the Bacillus subtilis strain 

AFS032321 Human Health Risk 

Assessment, which concludes that there 

are no risks of concern from aggregate 

exposure to Bacillus subtilis strain 

AFS032321, EPA concludes that there is 

a reasonable certainty that no harm will 

result to the U.S. population, including 

infants and children, from aggregate 

exposure to residues of Bacillus subtilis 

strain AFS032321. 

B. Analytical Enforcement Methodology 

An analytical method is not required 

for Bacillus subtilis strain AFS032321 

because EPA is establishing an 

exemption from the requirement of a 

tolerance without any numerical 

limitation. 

C. Conclusion 

Therefore, an exemption from the 

requirement of a tolerance is established 

for residues of Bacillus subtilis strain 

AFS032321 in or on all food 

commodities when used in accordance 

with label directions and good 

agricultural practices. 

IV. Statutory and Executive Order 

Reviews 

This action establishes a tolerance 

exemption under FFDCA section 408(d) 

in response to a petition submitted to 

EPA. The Office of Management and 

Budget (OMB) has exempted these types 

of actions from review under Executive 

Order 12866, entitled ‘‘Regulatory 

Planning and Review’’ (58 FR 51735, 

October 4, 1993). Because this action 

has been exempted from review under 

Executive Order 12866, this action is 

not subject to Executive Order 13211, 

entitled ‘‘Actions Concerning 

Regulations That Significantly Affect 

Energy Supply, Distribution, or Use’’ (66 

FR 28355, May 22, 2001), or Executive 

Order 13045, entitled ‘‘Protection of 

Children from Environmental Health 

Risks and Safety Risks’’ (62 FR 19885, 

April 23, 1997). This action does not 

contain any information collections 

subject to OMB approval under the 

Paperwork Reduction Act, 44 U.S.C. 

3501 et seq., nor does it require any 

special considerations under Executive 

Order 12898, entitled ‘‘Federal Actions 

to Address Environmental Justice in 

Minority Populations and Low-Income 

Populations’’ (59 FR 7629, February 16, 

1994). 

Since tolerances and exemptions that 

are established on the basis of a petition 

under FFDCA section 408(d), such as 

the tolerance exemption in this action, 

do not require the issuance of a 

proposed rule, the requirements of the 

Regulatory Flexibility Act (5 U.S.C. 601 

et seq.) do not apply. 

This action directly regulates growers, 

food processors, food handlers, and food 

retailers, not States or Tribes. As a 

result, this action does not alter the 

relationships or distribution of power 

and responsibilities established by 

Congress in the preemption provisions 

of FFDCA section 408(n)(4). As such, 

EPA has determined that this action will 

not have a substantial direct effect on 

States or Tribal Governments, on the 

relationship between the National 

Government and the States or Tribal 

Governments, or on the distribution of 

power and responsibilities among the 

various levels of government or between 

the Federal Government and Indian 

Tribes. Thus, EPA has determined that 

Executive Order 13132, entitled 

‘‘Federalism’’ (64 FR 43255, August 10, 

1999), and Executive Order 13175, 

entitled ‘‘Consultation and Coordination 

with Indian Tribal Governments’’ (65 FR 

67249, November 9, 2000), do not apply 

to this action. In addition, this action 

does not impose any enforceable duty or 

contain any unfunded mandate as 

described under Title II of the Unfunded 

Mandates Reform Act (2 U.S.C. 1501 et 

seq.). 

This action does not involve any 

technical standards that would require 

EPA’s consideration of voluntary 

consensus standards pursuant to section 

12(d) of the National Technology 

Transfer and Advancement Act (15 

U.S.C. 272 note). 

V. Congressional Review Act 

Pursuant to the Congressional Review 

Act (5 U.S.C. 801 et seq.), EPA will 

submit a report containing this rule and 

other required information to the U.S. 

Senate, the U.S. House of 

Representatives, and the Comptroller 

General of the United States prior to 

publication of the rule in the Federal 

Register. This action is not a ‘‘major 

rule’’ as defined by 5 U.S.C. 804(2). 

List of Subjects in 40 CFR Part 180 

Environmental protection, 

Administrative practice and procedure, 

Agricultural commodities, Pesticides 

and pests, Reporting and recordkeeping 

requirements. 

Dated: April 1, 2022. 

Edward Messina, 

Director, Office of Pesticide Programs. 

Therefore, for the reasons stated in the 

preamble, EPA is amending 40 CFR 

chapter I as follows: 

PART 180—TOLERANCES AND 

EXEMPTIONS FOR PESTICIDE 

CHEMICAL RESIDUES IN FOOD 

■ 1. The authority citation for part 180 

continues to read as follows: 

Authority: 21 U.S.C. 321(q), 346a and 371. 

■ 2. Add § 180.1386 to subpart D to read 

as follows: 

§ 180.1386 Bacillus subtilis strain 

AFS032321; exemption from the 

requirement of a tolerance. 

An exemption from the requirement 

of a tolerance is established for residues 

of Bacillus subtilis strain AFS032321 in 

or on all food commodities when used 

in accordance with label directions and 

good agricultural practices. 

[FR Doc. 2022–07561 Filed 4–7–22; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 302 

[EPA–HQ–OLEM–2022–0299; FRL–9335– 

01–OLEM] 

Addition of 1-Bromopropane to the List 

of CERCLA Hazardous Substances; 

List of Hazardous Substances; 

Technical Corrections 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Final rule. 

SUMMARY: The U.S. Environmental 

Protection Agency (EPA or the Agency) 

is issuing a technical amendment to 

modify the Comprehensive 

Environmental Response, 

Compensation, and Liability Act 

(CERCLA) list of hazardous substances, 

to be consistent with the statutory 

provisions that currently comprise this 

list. These modifications include adding 

the Clean Air Act (CAA) HAP 1- 

Bromopropane and removing the 

Resource Conservation and Recovery 

Act (RCRA) vacated K-Code Wastes: 

K064, K065, K066, K090, and K091. The 

Agency is also adding clarifying 

language, correcting a Chemical 

Abstract Service Registry Number 

(CASRN), and modifying the formatting 

of hazardous substance isomers and 

homologs that are listed with parent 

substances. 

DATES: This final rule is effective on 

April 8, 2022. 

FOR FURTHER INFORMATION CONTACT: 

Jennifer Barre, U.S. Environmental 

Protection Agency, Office of Emergency 

Management, (MC: 5104A), 1200 

Pennsylvania Avenue NW, Washington, 


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1The original list of HAPs has been modified by 

the EPA in the following Federal Register Notices: 

70 FR 75047, December 19, 2005; 69 FR 69320, 

November 29, 2004; 61 FR 30816, June 18, 1996; 65 

FR 47342, August 2, 2000, and 87 FR 393, January 

5, 2022. 

DC 20460; 202–564–9026; 

Barre.Jennifer@epa.gov. 

SUPPLEMENTARY INFORMATION: 

I. General Information 

Entities that may be affected by this 

action include: (a) Industry: 

Manufacturers, handlers, transporters, 

and other users of Comprehensive 

Environmental Response, 

Compensation, and Liability Act 

(CERCLA) hazardous substances, (b) 

State, local, or Tribal governments: State 

Emergency Response Commissions 

(SERCs), Tribal Emergency Response 

Commissions (TERCs), Local Emergency 

Planning Committees (LEPCs), Tribal 

Emergency Planning Committees 

(TEPCs), (c) First responders: fire 

departments, (d) Federal government: 

National Response Center, any federal 

agency that has regulations based on the 

CERCLA regulation, and any federal 

agency that may release or respond to 

releases of these substances. 

This technical amendment is 

modifying 40 CFR 302.4 and Table 

302.4 ‘‘List of Hazardous Substances 

and Reportable Quantities.’’ Table 302.4 

provides a list of hazardous substances 

as defined by the statute [CERCLA 

section 101(14); 42 U.S.C. 9601(14)] to 

include the following substances: (1) 

Clean Water Act (CWA) Hazardous 

Substances per section 311(b)(2) of the 

CWA [40 CFR 116.4; 33 U.S.C. 

1321(b)(2)(A)], (2) CWA Toxic 

Pollutants per section 307(a) of the 

CWA [40 CFR 401.15, 40 CFR part 423 

Appendix A, and 40 CFR 131.36; 33 

U.S.C. 1317(a)], (3) Clean Air Act (CAA) 

Hazardous Air Pollutants (HAPs) per 

section 112(b) of the CAA [42 U.S.C. 

7412(b); Pub. L. 101–549 November 15, 

1990] 1, and (4) Resource Conservation 

and Recovery Act (RCRA) Hazardous 

Wastes per section 3001 of the RCRA 

[40 CFR part 261 Subpart D—Lists of 

Hazardous Wastes; 42 U.S.C. 6921]. 

II. What does this amendment do? 

This technical amendment is revising 

the list of CERCLA hazardous 

substances in 40 CFR part 302, Table 

302.4 to be consistent with the statutory 

provisions that currently comprised this 

list (CWA Hazardous Substances, CWA 

Toxic Pollutants, CAA HAPs, and RCRA 

Hazardous Wastes). As further described 

below, the EPA is updating various 

CASRNs in this action so that they are 

consistent with the hazardous substance 

listing authorities and align with the 

Chemical Abstract Service, which is a 

division of the American Chemical 

Society and is the authoritative source 

for CASRNs. The entire Table 302.4 is 

being reprinted in this FR notice due to 

the complexity of transcribing the 

technical changes. The following is a 

list of the technical amendments that 

are being made within Table 302.4: 

(a) Adding the CAA HAP 1- 

Bromopropane (1–BP) (CASRN 106–94– 

5) and its synonym n-Propyl bromide 

(nPB), pursuant to CERCLA section 

101(14) and the establishment of a onepound reportable quantity (RQ), per the 

statutory default set in CERCLA section 

102(b). Also, adding the statutory code 

‘‘3’’ indicating that this is a CAA HAP. 

This technical amendment is due to 1- 

Bromopropane being added as a CAA 

HAP. [87 FR 393, January 5, 2022] 

(b) Deleting the RCRA Hazardous 

Waste vacated K-Code substances: K064, 

K065, K066, K090, and K091. This 

technical amendment is due to removal 

of these five waste codes from the list 

of RCRA Hazardous Wastes. [75 FR 

12993, March 18, 2010; 64 FR 56470, 

October 20, 1999; 63 FR 28599, May 26, 

1998] 

(c) Removing the CWA Toxic 

Pollutants Statutory Code ‘‘2’’ for 

Dichloromethyl ether (CASRN 542–88– 

1) and its synonyms: Methane, 

oxybis(chloro- and Bis(chloromethyl) 

ether. This technical correction is being 

made due to a clerical error; 

Dichloromethyl ether is not and has not 

been listed as a CWA Toxic Pollutant. 

[40 CFR 401.15, 40 CFR part 423 

Appendix A, and 40 CFR 131.36] 

(d) Removing the CWA Toxic 

Pollutants Statutory Code ‘‘2’’ for ‘‘4,6- 

Dinitro-o-cresol, and salts’’ and its 

synonym ‘‘Phenol, 2-methyl-4,6-dinitro- 

, & salts’’ (CASRN 534–52–1). And, 

adding the CWA Priority Toxic 

Pollutant ‘‘4,6-Dinitro-o-cresol’’ and its 

synonym ‘‘Phenol, 2-methyl-4,6-dinitro- 

.’’ These technical corrections are being 

made due to a clerical error; the words 

‘‘, & salts’’ do not and have not appeared 

in the CWA Toxic Pollutants lists. [40 

CFR 401.15, 40 CFR part 423 Appendix 

A, and 40 CFR 131.36] 

(e) Adding the CWA Toxic Pollutants 

Statutory Code ‘‘2’’ for the CWA Toxic 

Pollutants: Dichlorobenzene (25321–22– 

6), Dichloropropane (CASRN 26638–19– 

7), Dichloropropene (CASRN 26952–23– 

8), and Trichlorophenol (CASRN 

25167–82–2). This technical correction 

is due to a clerical error; these 

substances are CWA Toxic Pollutants. 

[44 FR 44503, July 30, 1979; 40 CFR 

401.15, 40 CFR part 423 Appendix A, 

and 40 CFR 131.36] 

(f) Removing the CAA HAP statutory 

Code ‘‘3’’ for Methyl ethyl ketone 

(CASRN 78–93–3), its entry under F005, 

and its synonyms: 2-Butanone and 

MEK. This technical correction is being 

made because Methyl ethyl ketone was 

removed from the list of HAPs. [70 FR 

75047, December 19, 2005] 

(g) Removing the RCRA Hazardous 

Waste Code ‘‘4’’ and the RCRA waste 

number ‘‘U204’’ from Selenium oxide 

(CASRN 12640–89–0). These technical 

corrections are due to a technical error. 

Selenium oxide is not considered a 

RCRA Hazardous Waste. [40 CFR part 

261 subpart D] 

(h) Adding the RCRA Hazardous 

Waste Code ‘‘4’’ for ‘‘4,4′-DDE’’ (72–55– 

9) and its synonym ‘‘DDE.’’ This 

technical correction is due to a clerical 

error. 4,4–DDE is a RCRA Hazardous 

Waste. [40 CFR part 261 subpart D] 

(i) Adding CASRNs for ‘‘Chlordane, 

alpha & gamma isomers’’ (5103–71–9) 

and (5103–74–2), Dichlorobenzidine 

(1331–47–1), Diphenylhydrazine 

(38622–18–3), and Nitrophenols 

(25154–55–6). These CASRNs are 

provided in Table 302.4 and Appendix 

A to Table 302.4 to facilitate 

identification of substances. 

(j) Correcting CASRNs for the 

following substances: Updating 

‘‘Arsenic disulfide’’ 1303–32–8 to 

12044–79–0; removing ‘‘Chromic acid’’ 

11115–74–5 as it has been replaced with 

7738–94–5, which is already listed; 

updating ‘‘Cupric oxalate’’ 5893–66–3 to 

55671–32–4; and removing ‘‘Lead 

stearate’’ 52652–59–2 as it has been 

replaced with 56189–09–4, which is 

already listed. These technical 

corrections align Table 302.4 with the 

current CASRNs for these substances. 

(k) Reordering the following 

hazardous substances, that are names of 

categories of chemicals, prior to the 

names of hazardous substances that fit 

into these broader categories: 

‘‘ANTIMONY AND COMPOUNDS’’, 

‘‘Antimony Compounds’’, ‘‘Aroclors’’, 

‘‘ARSENIC AND COMPOUNDS’’, 

‘‘Arsenic Compounds (inorganic 

including arsenic)’’, ‘‘BERYLLIUM AND 

COMPOUNDS’’, ‘‘CADMIUM AND 

COMPOUNDS’’, ‘‘CHLORDANE 

(TECHNICAL MIXTURE AND 

METABOLITES)’’, ‘‘CHROMIUM AND 

COMPOUNDS’’, ‘‘Chromium 

Compounds’’, ‘‘COPPER AND 

COMPOUNDS’’, ‘‘CYANIDES’’, 

‘‘ENDOSULFAN AND METABOLITES’’, 

‘‘ENDRIN AND METABOLITES’’, 

‘‘HEPTACHLOR AND METABOLITES’’, 

‘‘LEAD AND COMPOUNDS’’, 

‘‘MERCURY AND COMPOUNDS’’, 

‘‘Mercury Compounds’’, ‘‘NICKEL AND 

COMPOUNDS’’, ‘‘NITROPHENOLS’’, 

‘‘SELENIUM AND COMPOUNDS’’, 

‘‘Selenium Compounds’’, ‘‘SILVER AND 

COMPOUNDS’’, ‘‘THALLIUM AND 


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COMPOUNDS’’, ‘‘Xylene (mixed)’’, 

‘‘Xylenes (isomers and mixture)’’, and 

‘‘ZINC AND COMPOUNDS’’. These 

technical corrections make the list 

easier to read. 

(l) Reordering the following 

hazardous substances grouped as 

isomers and homologs to be in 

alphabetical and numerical order: 1,2- 

Dichloropropane, 1,3-Dichloropropene, 

2,4-Dinitrophenol, and 3,4- 

Dinitrotoluene. These technical 

corrections make the list easier to read. 

(m) Indenting hazardous substances 

that are isomers, homologs, or 

formulations under their parent 

compounds, where they were not 

already indented [Aroclors 1016, 1221, 

1232, 1242, 1248, 1254, and 1260; 

Cresols m-, o-, and p-; Dichlorobenzenes 

1,2- (o-), 1,3- (m-), and 1,4- (p-); 3,3- 

Dichlorobenzidine; Dichloropropanes 

1,1- and 1,3-; 3-Dichloropropene; 2,4- 

Dinitrophenol; Dinitrotoluenes 2,4- and 

2,6-; Endosulfans alpha- and beta; 

Nitrophenols 2- (o-) and 4- (p-); 

Trichlorophenols 2,4,5- and 2,4,6-; and 

m-Xylenes m-, o-, and p-]. These 

technical corrections make the list 

easier to read. 

(n) Providing isomers that were 

already indented with the statutory 

codes, RCRA waste numbers, and the 

reportable quantity values of their 

parent hazardous substance (Amyl 

acetates iso-, sec-, and tert-; Butyl 

acetates iso-, sec-, and tert-; Butylamines 

iso-, sec-, and tert-; iso-Butyric acid, 2,3- 

Dichloropropene; Dinitrobenzenes m-, 

o-, and p-; Dinitrophenols 2,5- and 2,6- 

; 3,4-Dinitrotoluene; m-Nitrophenol; 

Nitrotoluenes m-, o-, and p-; and 

Trichlorophenols 2,3,4-, 2,3,5-, 2,3,6-, 

and 3,4,5-). These technical corrections 

make the list easier to read. 

(o) Reformatting the CASRNs to add 

hyphens where they are missing. 

Hyphens were added to the hazardous 

substances in Table 302.4 on July 9, 

2002 (67 FR 45316). On August 16, 2016 

(71 FR 47106), 57 hazardous substances 

were added to Table 302.4 without 

hyphens. Adding hyphens to the 

CASRNs for those 57 hazardous 

substances as follows: A2213 (30558– 

43–1); Aldicarb sulfone (1646–88–4); 

Barban (101–27–9); Bendiocarb (22781– 

23–3); Bendiocarb phenol (22961–82–6); 

Benomyl (17804–35–2); 1,3- 

Benzodioxol-4-ol, 2,2-dimethyl- (22961– 

82–6); 1,3-Benzodioxol-4-ol, 2,2- 

dimethyl-, methyl carbamate (22781– 

23–3); 7-Benzofuranol, 2,3-dihydro-2,2- 

dimethyl- (1563–38–8); Benzoic acid, 2- 

hydroxy-, compd. with (3aS-cis)- 

1,2,3,3a,8,8a-hexahydro-1,3a,8- 

trimethylpyrrolo[2,3-b]indol-5-yl 

methylcarbamate ester (1:1) (57–64–7); 

Carbamic acid, 1H-benzimidazol-2-yl, 

methyl ester (10605–21–7); Carbamic 

acid, [1-[(butylamino)carbonyl]-1Hbenzimidazol-2-yl]-,methyl ester 

(17804–35–2); Carbamic acid, (3- 

chlorophenyl)-, 4-chloro-2-butynyl ester 

(101–27–9); Carbamic acid, 

[(dibutylamino)-thio]methyl-, 2,3- 

dihydro-2,2-dimethyl-7-benzofuranyl 

ester (55285–14–8); Carbamic acid, 

dimethyl-,1-[(dimethylamino)carbonyl]-5-methyl-1H-pyrazol-3- 

yl ester (644–64–4); Carbamic acid, 

dimethyl-, 3-methyl-1-(1-methylethyl)- 

1H-pyrazol-5-yl ester (119–38–0); 

Carbamic acid, methyl-, 3-methylphenyl 

ester (1129–41–5); Carbamic acid, [1,2- 

phenylenebis(iminocarbonothioyl)]bis-, 

dimethyl ester (23564–05–8); Carbamic 

acid, phenyl-, 1-methylethyl ester (122– 

42–9); Carbamothioic acid, bis(1- 

methylethyl)-, S-(2,3,3-trichloro-2- 

propenyl) ester (2303–17–5); 

Carbamothioic acid, dipropyl-, S- 

(phenylmethyl) ester (52888–80–9); 

Carbendazim (10605–21–7); Carbofuran 

phenol (1563–38–8); Carbosulfan 

(55285–14–8); m-Cumenyl 

methylcarbamate (64–00–6); Diethylene 

glycol, dicarbamate (5952–26–1); 

Dimetilan (644–64–4); 1,3-Dithiolane-2- 

carboxaldehyde, 2,4-dimethyl-, O- 

[(methylamino)-carbonyl]oxime (26419– 

73–8); Ethanimidothioic acid, 2- 

(dimethylamino)-N-hydroxy-2-oxo-, 

methyl ester (30558–43–1); 

Ethanimidothioic acid, 2- 

(dimethylamino)-N- 

[[(methylamino)carbonyl]oxy]-2-oxo-, 

methyl ester (23135–22–0); 

Ethanimidothioic acid, N,N′- 

[thiobis[(methylimino) 

carbonyloxy]]bis-, dimethyl ester 

(59669–26–0); Ethanol, 2,2′-oxybis-, 

dicarbamate (5952–26–1); Formetanate 

hydrochloride (23422–53–9); 

Formparanate (17702–57–7); Isolan 

(119–38–0); 3-Isopropylphenyl Nmethylcarbamate (64–00–6); Manganese, 

bis (dimethylcarbamodithioato-S,S′)- 

(15339–36–3); Manganese 

dimethyldithiocarbamate (15339–36–3); 

Methanimidamide, N,N-dimethyl-N′-[3- 

[[(methylamino)-carbonyl]oxy]phenyl]-, 

monohydrochloride (23422–53–9); 

Methanimidamide, N,N-dimethyl-N′-[2- 

methyl-4- [[(methylamino) 

carbonyl]oxy]phenyl]- (17702–57–7); 

Metolcarb (1129–41–5); Oxamyl (23135– 

22–0); Phenol, 3-(1-methylethyl)-, 

methyl carbamate (64–00–6); Phenol, 3- 

methyl-5-(1-methylethyl)-, methyl 

carbamate (2631–37–0); Physostigmine 

(57–47–6); Physostigmine salicylate 

(57–64–7); Promecarb (2631–37–0); 

Propanal, 2-methyl-2-(methylsulfonyl)-, O-[(methylamino)carbonyl] 

oxime (1646–88–4); Propham (122–42– 

9); Prosulfocarb (52888–80–9); 

Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8ahexahydro-1,3a,8-trimethyl-, 

methylcarbamate (ester), (3aS-cis)- (57– 

47–6); Thiodicarb (59669–26–0); 

Thiophanate-methyl (23564–05–8); 

Tirpate (26419–73–8); Triallate (2303– 

17–5); Zinc, 

bis(dimethylcarbamodithioato-S,S′)- 

(137–30–4); and Ziram (137–30–4). 

Also, the EPA is updating the entire 

Appendix A to Table 302.4 to add the 

CASRNs throughout the appendix. 

These technical corrections make the 

list easier to read. 

(p) Removing the duplicate entries for 

Zinc cyanide (CASRN 557–21–1) and 

‘‘Phenol, 3-(1-methylethyl)-, methyl 

carbamate (m-Cumenyl 

methylcarbamate)’’ (CASRN 64–00–6) 

from Appendix A to Table § 302.4. This 

is a technical correction to make the list 

easier to read. 

(q) Moving the Final RQ for 

Propionaldehyde (CASRN 123–38–6) 

‘‘1000 (454)’’ from the ‘‘RCRA waste 

No.’’ column to the ‘‘Final RQ [pounds 

(kg)]’’ column. This technical correction 

is being made due to a clerical error that 

placed the value in the wrong column. 

(r) Removing ‘‘1,2,4’’ from the Final 

RQ column in Table 302.4 for Titanium 

tetrachloride (CASRN 7550–45–0). This 

technical correction is being made due 

to a clerical error, these values do not 

belong in this column, nor are they 

statutory codes for this hazardous 

substance. 

(s) Correcting the spelling of 

‘‘Dichloromethoxy ethane’’ from 

‘‘Dichloromethoxyethane’’ to be 

consistent with the listing for the 

substance as a RCRA Hazardous Waste. 

[40 CFR part 261 subpart D] 

In addition to these technical 

amendments, the EPA is making six 

other technical corrections: 

(1) Revising the heading title of 40 

CFR 302.4 from ‘‘Designation of 

Hazardous Substances’’ to ‘‘Hazardous 

Substances and Reportable Quantities.’’ 

This technical correction to the title 

accurately represents the contents of the 

section; section 302.4 does not designate 

hazardous substances, but rather 

provides a list of hazardous substances 

as defined by the statute [CERCLA 

101(14)]. 

(2) Revising the language in the note 

preceding Table 302.4 to add guidance 

on the applicability of the CASRNs that 

are provided in Table 302.4 and to 

provide citations to the regulatory lists 

that comprise the table, in addition to 

their statutory sources. These technical 

corrections are being made to provide a 

clear understanding of the usefulness of 

CASRNs and to provide a direct 

reference for users of the lists that 

comprise Table 302.4. 


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(3) Deleting one of the duplicate notes 

with the single dagger note symbol (†). 

This technical correction is being made 

due to a clerical error. 

(4) Replacing the dagger note symbols 

(†, ††, and †††) with roman numeric 

superscripts (II, III, and IV). This 

technical correction is being made to 

allow for the addition of notes and to 

make the notes easier to identify and 

read. 

(5) Revising the language in the note 

preceding Table 302.4 to provide a 

clarifying statement regarding CASRN 

limitations, adding the numeric note 

reference symbol ‘‘I

’’ to the header for 

‘‘CASRN,’’ and adding the numeric note 

reference ‘‘II’’ to the notes at the end of 

the table. These technical corrections 

are being made to clarify the limitations 

of CASRNs. 

(6) Revising the header ‘‘Final RQ 

pounds (Kg)’’ to ‘‘Final RQ [pounds 

(kg)].’’ This technical correction is being 

made to add clarity to the table by 

separating the title of the column from 

the units of the values within the 

column. 

III. Rulemaking Procedures and 

Findings of Good Cause 

Section 553 of the Administrative 

Procedure Act (APA), 5 U.S.C. 

553(b)(3)(B), provides that, when an 

agency for good cause finds that notice 

and public procedure are impracticable, 

unnecessary, or contrary to the public 

interest, the agency may issue a final 

rule without providing notice and an 

opportunity for public comment. EPA 

has determined that there is good cause 

for making this technical amendment 

final without prior proposal and 

opportunity for comment, because such 

notice and opportunity for comment is 

unnecessary for the following two 

reasons. First, 40 CFR 302.4 contains 

substances that are listed or designated 

as provided in CERCLA section 101(14). 

[48 FR 23554, May 25, 1983] These 

statutory provisions are currently (1) 

CWA Hazardous Substances, (2) CWA 

Toxic Pollutants, (3) CAA HAPs, and (4) 

RCRA Hazardous Wastes. Technically, 

once substances are added to or 

removed under these four statutory 

provisions, they are automatically 

considered or not considered as 

CERCLA hazardous substances. Of note, 

no revisions or changes are being made 

in this action under CERCLA section 

9602 listing authority. Therefore, the 

addition and removal of substances 

from 40 CFR 302.4 is merely 

administrative and does not affect any 

substantive requirements. Secondly, the 

other modifications in this action are 

minor and non-substantive technical 

corrections. EPA finds that this 

constitutes good cause under 5 U.S.C. 

553(b)(3)(B). 

IV. Effective Date 

Section 553(d)(3) of the APA provides 

that final rules shall not become 

effective until 30 days after publication 

in the Federal Register ‘‘except . . . as 

otherwise provided by the Agency for 

good cause.’’ The purpose of this 

provision is to ‘‘give affected parties a 

reasonable time to adjust their behavior 

before the final rule takes effect.’’ 

Omnipoint Corp. v. Fed. Commc’n 

Comm’n, 78 F.3d 620, 630 (D.C. Cir. 

1996); see also United States v. 

Gavrilovic, 551 F.2d 1099, 1104 (8th Cir. 

1977) (quoting legislative history). Thus, 

in determining whether good cause 

exists to waive the 30-day delay, an 

agency should ‘‘balance the necessity 

for immediate implementation against 

principles of fundamental fairness 

which require that all affected persons 

be afforded a reasonable amount of time 

to prepare for the effective date of its 

ruling.’’ Gavrilovic, 551 F.2d at 1105. 

EPA has determined that there is good 

cause for making this final rule effective 

immediately because it merely modifies 

40 CFR 302.4 to be consistent with the 

list of substances from the statutes it is 

comprised of, corrects CASRN numbers 

to be accurate, and adjusts the 

formatting to make the lists easier to 

read. For this reason, the Agency finds 

that good cause exists under APA 

section 553(d)(3) to make this rule 

effective immediately upon publication. 

V. Do any of the statutory and 

Executive Order reviews apply to this 

action? 

Under Executive Order 12866 (58 FR 

51735, October 4, 1993) and Executive 

Order 13563 (76 FR 3821, January 21, 

2011), this action is not a ‘‘significant 

regulatory action’’ and is therefore not 

subject to the Office of Management and 

Budget (OMB) review. Additionally, this 

action is not an Executive Order 13771 

regulatory action because this action is 

not significant under Executive Order 

12866. Because this action is not subject 

to notice and comment requirements 

under the Administrative Procedure Act 

or any other statute, it is not subject to 

the Regulatory Flexibility Act (5 U.S.C. 

601 et seq.) or Sections 202 and 205 of 

the Unfunded Mandates Reform Act 

(2 U.S.C. 1531–1538). In addition, this 

action does not significantly or uniquely 

affect small governments. This action 

does not create new binding legal 

requirements that substantially and 

directly affect tribes under Executive 

Order 13175 (65 FR 67249, November 9, 

2000). This action does not have 

significant Federalism implications 

under Executive Order 13132 (64 FR 

43255, August 10, 1999). Because this 

final rule is not subject to review under 

Executive Order 12866, this final rule is 

not subject to Executive Order 13211, 

entitled, ‘‘Actions Concerning 

Regulations That Significantly Affect 

Energy Supply, Distribution, or Use’’ (66 

FR 28355, May 22, 2001) or Executive 

Order 13045, entitled, ‘‘Protection of 

Children from Environmental Health 

Risks and Safety Risks’’ (62 FR 19885, 

April 23, 1997). Continuous release 

reporting is covered under OMB Control 

Number 2050–0086. This final rule does 

not contain any changes to the 

information collections subject to OMB 

approval under the Paperwork 

Reduction Act (PRA), 44 U.S.C. 3501 et 

seq., nor does it require any special 

considerations under Executive Order 

12898, entitled, ‘‘Federal Actions to 

Address Environmental Justice in 

Minority Populations and Low-Income 

Populations’’ (59 FR 7629, February 16, 

1994). This action does not involve 

technical standards; thus, the 

requirements of Section 12(d) of the 

National Technology Transfer and 

Advancement Act of 1995 (15 U.S.C. 

272 note) do not apply. 

This action is subject to the 

Congressional Review Act (CRA), and 

the EPA will submit a rule report to 

each House of Congress and to the 

Comptroller General of the United 

States. The CRA allows the issuing 

agency to make a rule effective sooner 

than otherwise provided by the CRA if 

the agency makes a good cause finding 

that notice and comment rulemaking 

procedures are impracticable, 

unnecessary, or contrary to the public 

interest (5 U.S.C. 808(2)). The EPA has 

made a good cause finding for this rule 

as discussed in Section III of the 

preamble, including the basis for that 

finding. 

List of Subjects for 40 CFR Part 302 

Environmental protection, Air 

Pollution control, Chemicals, Hazardous 

substances, Hazardous wastes, Water 

pollution control. 

Dated: March 31, 2022. 

Barry N. Breen, 

Acting Assistant Administrator, Office of 

Land and Emergency Management. 

For the reasons stated in the 

preamble, the EPA amends title 40, 

chapter I of the Code of Federal 

Regulations as follows: 


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Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20725 

PART 302—DESIGNATION, 

REPORTABLE QUANTITIES, AND 

NOTIFICATION 

■ 1. The authority citation for Part 302 

continues to read as follows: 

Authority: 33 U.S.C. 1251 et seq., 42 

U.S.C. 9601 et seq., 42 U.S.C. 9602, 42 U.S.C. 

9603. 

■ 2. Amend § 302.4 by: 

■ a. Revising the section heading; 

■ b. Removing the ‘‘note’’ after 

Paragraph (b) 

■ c. Adding Notes I and II to Table 

302.4; 

■ d. Revising Table 302.4; 

■ e. Revising Appendix A to § 302.4— 

Sequential CAS Registry Number List of 

CERCLA Hazardous Substances. 

The revisions and additions read as 

follows: 

§ 302.4 Hazardous substances and 

reportable quantities. 

* * * * * 

Note I to Table 302.4 

The numbers under the column 

headed ‘‘CASRN’’ are the Chemical 

Abstracts Service Registry Numbers for 

each hazardous substance. CASRNs are 

unique numeric identifiers for specific 

substances. CASRNs are updated by the 

Chemical Abstract Service and are 

sometimes deleted or replaced. This list 

of CERCLA hazardous substances relies 

on information provided in the statutory 

lists that comprise the table. CASRNs 

are provided for convenience only to aid 

in the identification of the designated 

hazardous substance. Some CASRNs are 

given only for parent compounds. In 

some cases, a chemical name may have 

more than one CASRN associated with 

it due to the chemical’s various forms; 

however, each CAS Registry Number is 

a unique numeric identifier and 

designates only one substance. That is, 

two substances, or two forms of a 

substance, do not have the same CAS 

Registry Number. If there is a 

discrepancy between the hazardous 

substance name and the listed CAS 

Registry Number, the hazardous 

substance names appearing in Table 

302.4 should be used as the official 

means to determine if a given chemical 

or substance is reportable. 

Note II to Table 302.4 

Hazardous substances are given a 

Statutory Code based on their statutory 

source. The ‘‘Statutory Code’’ column 

indicates the statutory source for 

designating each substance as a 

CERCLA hazardous substance. Statutory 

Code ‘‘1’’ indicates a Clean Water Act 

(CWA) Hazardous Substance [40 CFR 

116.4; 33 U.S.C. 1321(b)(2)(A)]. 

Statutory Code ‘‘2’’ indicates a CWA 

Toxic Pollutant [40 CFR 401.15, 40 CFR 

part 423 Appendix A, and/or 40 CFR 

131.36; 33 U.S.C. 1317(a)]. Statutory 

Code ‘‘3’’ indicates a CAA HAP [42 

U.S.C. 7412(b); Pub. L. 101–549 

November 15, 1990; 70 FR 75047 

December 19, 2005; 69 FR 69320 

November 29, 2004; 61 FR 30816 June 

18, 1996; 65 FR 47342 August 2, 2000; 

87 FR 393 January 5, 2022]. Statutory 

Code ‘‘4’’ indicates Resource 

Conservation and Recovery Act (RCRA) 

Hazardous Wastes [40 CFR part 261 

Subpart D—Lists of Hazardous Wastes; 

42 U.S.C. 6921]. The ‘‘RCRA waste No.’’ 

column provides the waste 

identification numbers assigned by 

RCRA regulations. The ‘‘Final RQ 

[pounds (kg)]’’ column provides the 

reportable quantity for each hazardous 

substance in pounds and kilograms. 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

A2213 ..................................................................................................................................................... 30558–43–1 4 U394 ........... 5000 (2270) 

Acenaphthene ......................................................................................................................................... 83–32–9 2 .................... 100 (45.4) 

Acenaphthylene ...................................................................................................................................... 208–96–8 2 .................... 5000 (2270) 

Acetaldehyde .......................................................................................................................................... 75–07–0 1,3,4 U001 ........... 1000 (454) 

Acetaldehyde, chloro- ............................................................................................................................. 107–20–0 4 P023 ........... 1000 (454) 

Acetaldehyde, trichloro- .......................................................................................................................... 75–87–6 4 U034 ........... 5000 (2270) 

Acetamide ............................................................................................................................................... 60–35–5 3 .................... 100 (45.4) 

Acetamide, N-(aminothioxomethyl)- ....................................................................................................... 591–08–2 4 P002 ........... 1000 (454) 

Acetamide, N-(4-ethoxyphenyl)- ............................................................................................................. 62–44–2 4 U187 ........... 100 (45.4) 

Acetamide, N-9H-fluoren-2-yl- ................................................................................................................ 53–96–3 3,4 U005 ........... 1 (0.454) 

Acetamide, 2-fluoro- ............................................................................................................................... 640–19–7 4 P057 ........... 100 (45.4) 

Acetic acid .............................................................................................................................................. 64–19–7 1 .................... 5000 (2270) 

Acetic acid, (2,4-dichlorophenoxy)-, salts & esters ................................................................................ 94–75–7 1,3,4 U240 ........... 100 (45.4) 

Acetic acid, ethyl ester ........................................................................................................................... 141–78–6 4 U112 ........... 5000 (2270) 

Acetic acid, fluoro-, sodium salt ............................................................................................................. 62–74–8 4 P058 ........... 10 (4.54) 

Acetic acid, lead(2 +) salt ....................................................................................................................... 301–04–2 1,4 U144 ........... 10 (4.54) 

Acetic acid, thallium(1 +) salt ................................................................................................................. 563–68–8 4 U214 ........... 100 (45.4) 

Acetic acid, (2,4,5-trichlorophenoxy)- ..................................................................................................... 93–76–5 1,4 See F027 ... 1000 (454) 

Acetic anhydride ..................................................................................................................................... 108–24–7 1 .................... 5000 (2270) 

Acetone ................................................................................................................................................... 67–64–1 4 U002 ........... 5000 (2270) 

Acetone cyanohydrin .............................................................................................................................. 75–86–5 1,4 P069 ........... 10 (4.54) 

Acetonitrile .............................................................................................................................................. 75–05–8 3,4 U003 ........... 5000 (2270) 

Acetophenone ......................................................................................................................................... 98–86–2 3,4 U004 ........... 5000 (2270) 

2-Acetylaminofluorene ............................................................................................................................ 53–96–3 3,4 U005 ........... 1 (0.454) 

Acetyl bromide ........................................................................................................................................ 506–96–7 1 .................... 5000 (2270) 

Acetyl chloride ........................................................................................................................................ 75–36–5 1,4 U006 ........... 5000 (2270) 

1-Acetyl-2-thiourea ................................................................................................................................. 591–08–2 4 P002 ........... 1000 (454) 

Acrolein ................................................................................................................................................... 107–02–8 1,2,3,4 P003 ........... 1 (0.454) 

Acrylamide .............................................................................................................................................. 79–06–1 3,4 U007 ........... 5000 (2270) 

Acrylic acid ............................................................................................................................................. 79–10–7 3,4 U008 ........... 5000 (2270) 

Acrylonitrile ............................................................................................................................................. 107–13–1 1,2,3,4 U009 ........... 100 (45.4) 

Adipic acid .............................................................................................................................................. 124–04–9 1 .................... 5000 (2270) 

Aldicarb ................................................................................................................................................... 116–06–3 4 P070 ........... 1 (0.454) 

Aldicarb sulfone ...................................................................................................................................... 1646–88–4 4 P203 ........... 100 (45.4) 

Aldrin ....................................................................................................................................................... 309–00–2 1,2,4 P004 ........... 1 (0.454) 

Allyl alcohol ............................................................................................................................................. 107–18–6 1,4 P005 ........... 100 (45.4) 

Allyl chloride ........................................................................................................................................... 107–05–1 1,3 .................... 1000 (454) 

Aluminum phosphide .............................................................................................................................. 20859–73–8 4 P006 ........... 100 (45.4) 

Aluminum sulfate .................................................................................................................................... 10043–01–3 1 .................... 5000 (2270) 

4-Aminobiphenyl ..................................................................................................................................... 92–67–1 3 .................... 1 (0.454) 


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TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

5-(Aminomethyl)-3-isoxazolol ................................................................................................................. 2763–96–4 4 P007 ........... 1000 (454) 

4-Aminopyridine ...................................................................................................................................... 504–24–5 4 P008 ........... 1000 (454) 

Amitrole ................................................................................................................................................... 61–82–5 4 U011 ........... 10 (4.54) 

Ammonia ................................................................................................................................................. 7664–41–7 1 .................... 100 (45.4) 

Ammonium acetate ................................................................................................................................. 631–61–8 1 .................... 5000 (2270) 

Ammonium benzoate .............................................................................................................................. 1863–63–4 1 .................... 5000 (2270) 

Ammonium bicarbonate .......................................................................................................................... 1066–33–7 1 .................... 5000 (2270) 

Ammonium bichromate ........................................................................................................................... 7789–09–5 1 .................... 10 (4.54) 

Ammonium bifluoride .............................................................................................................................. 1341–49–7 1 .................... 100 (45.4) 

Ammonium bisulfilte ............................................................................................................................... 10192–30–0 1 .................... 5000 (2270) 

Ammonium carbamate ........................................................................................................................... 1111–78–0 1 .................... 5000 (2270) 

Ammonium carbonate ............................................................................................................................ 506–87–6 1 .................... 5000 (2270) 

Ammonium chloride ................................................................................................................................ 12125–02–9 1 .................... 5000 (2270) 

Ammonium chromate ............................................................................................................................. 7788–98–9 1 .................... 10 (4.54) 

Ammonium citrate, dibasic ..................................................................................................................... 3012–65–5 1 .................... 5000 (2270) 

Ammonium fluoborate ............................................................................................................................ 13826–83–0 1 .................... 5000 (2270) 

Ammonium fluoride ................................................................................................................................. 12125–01–8 1 .................... 100 (45.4) 

Ammonium hydroxide ............................................................................................................................. 1336–21–6 1 .................... 1000 (454) 

Ammonium oxalate ................................................................................................................................. 6009–70–7 

5972–73–6 

14258–49–2 

1 .................... 5000 (2270) 

Ammonium picrate .................................................................................................................................. 131–74–8 4 P009 ........... 10 (4.54) 

Ammonium silicofluoride ......................................................................................................................... 16919–19–0 1 .................... 1000 (454) 

Ammonium sulfamate ............................................................................................................................. 7773–06–0 1 .................... 5000 (2270) 

Ammonium sulfide .................................................................................................................................. 12135–76–1 1 .................... 100 (45.4) 

Ammonium sulfite ................................................................................................................................... 10196–04–0 1 .................... 5000 (2270) 

Ammonium tartrate ................................................................................................................................. 14307–43–8 

3164–29–2 

1 .................... 5000 (2270) 

Ammonium thiocyanate .......................................................................................................................... 1762–95–4 1 .................... 5000 (2270) 

Ammonium vanadate .............................................................................................................................. 7803–55–6 4 P119 ........... 1000 (454) 

Amyl acetate ........................................................................................................................................... 628–63–7 1 .................... 5000 (2270) 

iso-Amyl acetate .............................................................................................................................. 123–92–2 1 .................... 5000 (2270) 

sec-Amyl acetate ............................................................................................................................. 626–38–0 1 .................... 5000 (2270) 

tert-Amyl acetate ............................................................................................................................. 625–16–1 1 .................... 5000 (2270) 

Aniline ..................................................................................................................................................... 62–53–3 1,3,4 U012 ........... 5000 (2270) 

o-Anisidine .............................................................................................................................................. 90–04–0 3 .................... 100 (45.4) 

Anthracene ............................................................................................................................................. 120–12–7 2 .................... 5000 (2270) 

ANTIMONY AND COMPOUNDS ........................................................................................................... N.A. 2,3 .................... ** 

Antimony Compounds ............................................................................................................................ N.A. 2,3 .................... ** 

Antimony III .............................................................................................................................................. 7440–36–0 2 .................... 5000 (2270) 

Antimony pentachloride .......................................................................................................................... 7647–18–9 1 .................... 1000 (454) 

Antimony potassium tartrate ................................................................................................................... 28300–74–5 1 .................... 100 (45.4) 

Antimony tribromide ................................................................................................................................ 7789–61–9 1 .................... 1000 (454) 

Antimony trichloride ................................................................................................................................ 10025–91–9 1 .................... 1000 (454) 

Antimony trifluoride ................................................................................................................................. 7783–56–4 1 .................... 1000 (454) 

Antimony trioxide .................................................................................................................................... 1309–64–4 1 .................... 1000 (454) 

Argentate(1-), bis(cyano-C)-, potassium ................................................................................................ 506–61–6 4 P099 ........... 1 (0.454) 

Aroclors ................................................................................................................................................... 1336–36–3 1,2,3 .................... 1 (0.454) 

Aroclor 1016 .................................................................................................................................... 12674–11–2 1,2,3 .................... 1 (0.454) 

Aroclor 1221 .................................................................................................................................... 11104–28–2 1,2,3 .................... 1 (0.454) 

Aroclor 1232 .................................................................................................................................... 11141–16–5 1,2,3 .................... 1 (0.454) 

Aroclor 1242 .................................................................................................................................... 53469–21–9 1,2,3 .................... 1 (0.454) 

Aroclor 1248 .................................................................................................................................... 12672–29–6 1,2,3 .................... 1 (0.454) 

Aroclor 1254 .................................................................................................................................... 11097–69–1 1,2,3 .................... 1 (0.454) 

Aroclor 1260 .................................................................................................................................... 11096–82–5 1,2,3 .................... 1 (0.454) 

ARSENIC AND COMPOUNDS .............................................................................................................. N.A. 2,3 .................... ** 

Arsenic Compounds (inorganic including arsine) ................................................................................... N.A. 2,3 .................... ** 

Arsenic III ................................................................................................................................................. 7440–38–2 2,3 .................... 1 (0.454) 

Arsenic acid H3AsO4 ............................................................................................................................. 7778–39–4 4 P010 ........... 1 (0.454) 

Arsenic disulfide ..................................................................................................................................... 12044–79–0 1 .................... 1 (0.454) 

Arsenic oxide As2O3 .............................................................................................................................. 1327–53–3 1,4 P012 ........... 1 (0.454) 

Arsenic oxide As2O5 .............................................................................................................................. 1303–28–2 1,4 P011 ........... 1 (0.454) 

Arsenic pentoxide ................................................................................................................................... 1303–28–2 1,4 P011 ........... 1 (0.454) 

Arsenic trichloride ................................................................................................................................... 7784–34–1 1 .................... 1 (0.454) 

Arsenic trioxide ....................................................................................................................................... 1327–53–3 1,4 P012 ........... 1 (0.454) 

Arsenic trisulfide ..................................................................................................................................... 1303–33–9 1 .................... 1 (0.454) 

Arsine, diethyl- ........................................................................................................................................ 692–42–2 4 P038 ........... 1 (0.454) 

Arsinic acid, dimethyl- ............................................................................................................................ 75–60–5 4 U136 ........... 1 (0.454) 

Arsonous dichloride, phenyl- .................................................................................................................. 696–28–6 4 P036 ........... 1 (0.454) 

Asbestos IV .............................................................................................................................................. 1332–21–4 2,3 .................... 1 (0.454) 

Auramine ................................................................................................................................................ 492–80–8 4 U014 ........... 100 (45.4) 

Azaserine ................................................................................................................................................ 115–02–6 4 U015 ........... 1 (0.454) 

Aziridine .................................................................................................................................................. 151–56–4 3,4 P054 ........... 1 (0.454) 

Aziridine, 2-methyl- ................................................................................................................................. 75–55–8 3,4 P067 ........... 1 (0.454) 

Azirino[2′,3′:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]- 

1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]-.

50–07–7 4 U010 ........... 10 (4.54) 

Barban .................................................................................................................................................... 101–27–9 4 U280 ........... 10 (4.54) 

Barium cyanide ....................................................................................................................................... 542–62–1 1,4 P013 ........... 10 (4.54) 

Bendiocarb .............................................................................................................................................. 22781–23–3 4 U278 ........... 100 (45.4) 


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TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Bendiocarb phenol .................................................................................................................................. 22961–82–6 4 U364 ........... 1000 (454) 

Benomyl .................................................................................................................................................. 17804–35–2 4 U271 ........... 10 (4.54) 

Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- .......................................................................................... 56–49–5 4 U157 ........... 10 (4.54) 

Benz[c]acridine ....................................................................................................................................... 225–51–4 4 U016 ........... 100 (45.4) 

Benzal chloride ....................................................................................................................................... 98–87–3 4 U017 ........... 5000 (2270) 

Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- ............................................................................ 23950–58–5 4 U192 ........... 5000 (2270) 

Benz[a]anthracene .................................................................................................................................. 56–55–3 2,4 U018 ........... 10 (4.54) 

1,2-Benzanthracene ............................................................................................................................... 56–55–3 2,4 U018 ........... 10 (4.54) 

Benz[a]anthracene, 7,12-dimethyl- ......................................................................................................... 57–97–6 4 U094 ........... 1 (0.454) 

Benzenamine .......................................................................................................................................... 62–53–3 1,3,4 U012 ........... 5000 (2270) 

Benzenamine, 4,4′-carbonimidoylbis (N,N dimethyl- ............................................................................. 492–80–8 4 U014 ........... 100 (45.4) 

Benzenamine, 4-chloro- ......................................................................................................................... 106–47–8 4 P024 ........... 1000 (454) 

Benzenamine, 4-chloro-2-methyl-, hydrochloride ................................................................................... 3165–93–3 4 U049 ........... 100 (45.4) 

Benzenamine, N,N-dimethyl-4-(phenylazo)- .......................................................................................... 60–11–7 3,4 U093 ........... 10 (4.54) 

Benzenamine, 2-methyl- ......................................................................................................................... 95–53–4 3,4 U328 ........... 100 (45.4) 

Benzenamine, 4-methyl- ......................................................................................................................... 106–49–0 4 U353 ........... 100 (45.4) 

Benzenamine, 4,4′-methylenebis [2-chloro- ........................................................................................... 101–14–4 3,4 U158 ........... 10 (4.54) 

Benzenamine, 2-methyl-,hydrochloride .................................................................................................. 636–21–5 4 U222 ........... 100 (45.4) 

Benzenamine, 2-methyl-5-nitro- ............................................................................................................. 99–55–8 4 U181 ........... 100 (45.4) 

Benzenamine, 4-nitro- ............................................................................................................................ 100–01–6 4 P077 ........... 5000 (2270) 

Benzene a ............................................................................................................................................... 71–43–2 1,2,3,4 U019 ........... 10 (4.54) 

Benzeneacetic acid, 4-chloro-a-(4-chlorophenyl)-a-hydroxy-, ethyl ester ............................................. 510–15–6 3,4 U038 ........... 10 (4.54) 

Benzene, 1-bromo-4-phenoxy- ............................................................................................................... 101–55–3 2,4 U030 ........... 100 (45.4) 

Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]- ............................................................................. 305–03–3 4 U035 ........... 10 (4.54) 

Benzene, chloro- .................................................................................................................................... 108–90–7 1,2,3,4 U037 ........... 100 (45.4) 

Benzene, (chloromethyl)- ....................................................................................................................... 100–44–7 1,3,4 P028 ........... 100 (45.4) 

Benzenediamine, ar-methyl- ................................................................................................................... 95–80–7 

496–72–0 

823–40–5 

25376–45–8 

3,4 U221 ........... 10 (4.54) 

1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester ........................................................................... 117–81–7 2,3,4 U028 ........... 100 (45.4) 

1,2-Benzenedicarboxylic acid, dibutyl ester ........................................................................................... 84–74–2 1,2,3,4 U069 ........... 10 (4.54) 

1,2-Benzenedicarboxylic acid, diethyl ester ........................................................................................... 84–66–2 2,4 U088 ........... 1000 (454) 

1,2-Benzenedicarboxylic acid, dimethyl ester ........................................................................................ 131–11–3 2,3,4 U102 ........... 5000 (2270) 

1,2-Benzenedicarboxylic acid, dioctyl ester ........................................................................................... 117–84–0 2,4 U107 ........... 5000 (2270) 

Benzene, 1,2-dichloro- ........................................................................................................................... 95–50–1 1,2,4 U070 ........... 100 (45.4) 

Benzene, 1,3-dichloro- ........................................................................................................................... 541–73–1 2,4 U071 ........... 100 (45.4) 

Benzene, 1,4-dichloro- ........................................................................................................................... 106–46–7 1,2,3,4 U072 ........... 100 (45.4) 

Benzene, 1,1′-(2,2-dichloroethylidene) bis[4-chloro- .............................................................................. 72–54–8 1,2,4 U060 ........... 1 (0.454) 

Benzene, (dichloromethyl)- ..................................................................................................................... 98–87–3 4 U017 ........... 5000 (2270) 

Benzene, 1,3-diisocyanatomethyl- ......................................................................................................... 91–08–7 

584–84–9 

26471–62–5 

3,4 U223 ........... 100 (45.4) 

Benzene, dimethyl- ................................................................................................................................. 1330–20–7 1,3,4 U239 ........... 100 (45.4) 

1,3-Benzenediol ...................................................................................................................................... 108–46–3 1,4 U201 ........... 5000 (2270) 

1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]- ........................................................................... 51–43–4 4 P042 ........... 1000 (454) 

Benzeneethanamine, alpha,alpha-dimethyl- .......................................................................................... 122–09–8 4 P046 ........... 5000 (2270) 

Benzene, hexachloro- ............................................................................................................................. 118–74–1 2,3,4 U127 ........... 10 (4.54) 

Benzene, hexahydro- ............................................................................................................................. 110–82–7 1,4 U056 ........... 1000 (454) 

Benzene, methyl- .................................................................................................................................... 108–88–3 1,2,3,4 U220 ........... 1000 (454) 

Benzene, 1-methyl-2,4-dinitro- ............................................................................................................... 121–14–2 1,2,3,4 U105 ........... 10 (4.54) 

Benzene, 2-methyl-1,3-dinitro- ............................................................................................................... 606–20–2 1,2,4 U106 ........... 100 (45.4) 

Benzene, (1-methylethyl)- ...................................................................................................................... 98–82–8 3,4 U055 ........... 5000 (2270) 

Benzene, nitro- ....................................................................................................................................... 98–95–3 1,2,3,4 U169 ........... 1000 (454) 

Benzene, pentachloro- ........................................................................................................................... 608–93–5 4 U183 ........... 10 (4.54) 

Benzene, pentachloronitro- .................................................................................................................... 82–68–8 3,4 U185 ........... 100 (45.4) 

Benzenesulfonic acid chloride ................................................................................................................ 98–09–9 4 U020 ........... 100 (45.4) 

Benzenesulfonyl chloride ........................................................................................................................ 98–09–9 4 U020 ........... 100 (45.4) 

Benzene,1,2,4,5-tetrachloro- .................................................................................................................. 95–94–3 4 U207 ........... 5000 (2270) 

Benzenethiol ........................................................................................................................................... 108–98–5 4 P014 ........... 100 (45.4) 

Benzene,1,1′-(2,2,2-trichloroethylidene) bis[4-chloro- ............................................................................ 50–29–3 1,2,4 U061 ........... 1 (0.454) 

Benzene,1,1′-(2,2,2-trichloroethylidene) bis[4-methoxy- ........................................................................ 72–43–5 1,3,4 U247 ........... 1 (0.454) 

Benzene, (trichloromethyl)- .................................................................................................................... 98–07–7 3,4 U023 ........... 10 (4.54) 

Benzene, 1,3,5-trinitro- ........................................................................................................................... 99–35–4 4 U234 ........... 10 (4.54) 

Benzidine ................................................................................................................................................ 92–87–5 2,3,4 U021 ........... 1 (0.454) 

Benzo[a]anthracene ................................................................................................................................ 56–55–3 2,4 U018 ........... 10 (4.54) 

1,3-Benzodioxole, 5-(1-propenyl)-1 ........................................................................................................ 120–58–1 4 U141 ........... 100 (45.4) 

1,3-Benzodioxole, 5-(2-propenyl)- .......................................................................................................... 94–59–7 4 U203 ........... 100 (45.4) 

1,3-Benzodioxole, 5-propyl- .................................................................................................................... 94–58–6 4 U090 ........... 10 (4.54) 

1,3-Benzodioxol-4-ol, 2,2-dimethyl- ........................................................................................................ 22961–82–6 4 U364 ........... 1000 (454) 

1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate ......................................................................... 22781–23–3 4 U278 ........... 100 (45.4) 

Benzo[b]fluoranthene .............................................................................................................................. 205–99–2 2 .................... 1 (0.454) 

Benzo(k)fluoranthene ............................................................................................................................. 207–08–9 2 .................... 5000 (2270) 

7-Benzofuranol, 2,3-dihydro-2,2-dimethyl- ............................................................................................. 1563–38–8 4 U367 ........... 10 (4.54) 

7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate .............................................................. 1563–66–2 1,4 P127 ........... 10 (4.54) 

Benzoic acid ........................................................................................................................................... 65–85–0 1 .................... 5000 (2270) 

Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3- 

b]indol-5-yl methylcarbamate ester (1:1).

57–64–7 4 P188 ........... 100 (45.4) 

Benzonitrile ............................................................................................................................................. 100–47–0 1 .................... 5000 (2270) 


jspears on DSK121TN23PROD with RULES1
20728 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Benzo[rst]pentaphene ............................................................................................................................. 189–55–9 4 U064 ........... 10 (4.54) 

Benzo[ghi]perylene ................................................................................................................................. 191–24–2 2 .................... 5000 (2270) 

2H–1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, & salts .................................................. 81–81–2 4 P001 ...........

U248 ...........

100 (45.4) 

Benzo[a]pyrene ....................................................................................................................................... 50–32–8 2,4 U022 ........... 1 (0.454) 

3,4-Benzopyrene .................................................................................................................................... 50–32–8 2,4 U022 ........... 1 (0.454) 

r-Benzoquinone ...................................................................................................................................... 106–51–4 3,4 U197 ........... 10 (4.54) 

Benzotrichloride ...................................................................................................................................... 98–07–7 3,4 U023 ........... 10 (4.54) 

Benzoyl chloride ..................................................................................................................................... 98–88–4 1 .................... 1000 (454) 

Benzyl chloride ....................................................................................................................................... 100–44–7 1,3,4 P028 ........... 100 (45.4) 

BERYLLIUM AND COMPOUNDS .......................................................................................................... N.A. 2,3 .................... ** 

Beryllium III .............................................................................................................................................. 7440–41–7 2,3,4 P015 ........... 10 (4.54) 

Beryllium chloride ................................................................................................................................... 7787–47–5 1 .................... 1 (0.454) 

Beryllium compounds ............................................................................................................................. N.A. 2,3 .................... ** 

Beryllium fluoride .................................................................................................................................... 7787–49–7 1 .................... 1 (0.454) 

Beryllium nitrate ...................................................................................................................................... 13597–99–4 

7787–55–5 

1 .................... 1 (0.454) 

Beryllium powderIII ................................................................................................................................. 7440–41–7 2,3,4 P015 ........... 10 (4.54) 

alpha-BHC .............................................................................................................................................. 319–84–6 2 .................... 10 (4.54) 

beta-BHC ................................................................................................................................................ 319–85–7 2 .................... 1 (0.454) 

delta-BHC ............................................................................................................................................... 319–86–8 2 .................... 1 (0.454) 

gamma-BHC ........................................................................................................................................... 58–89–9 1,2,3,4 U129 ........... 1 (0.454) 

2,2′-Bioxirane .......................................................................................................................................... 1464–53–5 4 U085 ........... 10 (4.54) 

Biphenyl .................................................................................................................................................. 92–52–4 3 .................... 100 (45.4) 

[1,1′-Biphenyl]-4,4′-diamine .................................................................................................................... 92–87–5 2,3,4 U021 ........... 1 (0.454) 

[1,1′-Biphenyl]-4,4′-diamine,3,3′-dichloro- .............................................................................................. 91–94–1 2,3,4 U073 ........... 1 (0.454) 

[1,1′-Biphenyl]-4,4′-diamine,3,3′-dimethoxy- .......................................................................................... 119–90–4 3,4 U091 ........... 100 (45.4) 

[1,1′-Biphenyl]-4,4′-diamine,3,3′-dimethyl- ............................................................................................. 119–93–7 3,4 U095 ........... 10 (4.54) 

Bis(2-chloroethoxy) methane .................................................................................................................. 111–91–1 2,4 U024 ........... 1000 (454) 

Bis(2-chloroethyl) ether .......................................................................................................................... 111–44–4 2,3,4 U025 ........... 10 (4.54) 

Bis(chloromethyl) ether ........................................................................................................................... 542–88–1 3,4 P016 ........... 10 (4.54) 

Bis(2-ethylhexyl) phthalate ..................................................................................................................... 117–81–7 3,4 U028 ........... 100 (45.4) 

Bromoacetone ........................................................................................................................................ 598–31–2 4 P017 ........... 1000 (454) 

1-Bromopropane (1–BP) ........................................................................................................................ 106–94–5 3 .................... 1 (0.454) 

Bromoform .............................................................................................................................................. 75–25–2 2,3,4 U225 ........... 100 (45.4) 

Bromomethane ....................................................................................................................................... 74–83–9 2,3,4 U029 ........... 1000 (454) 

4-Bromophenyl phenyl ether .................................................................................................................. 101–55–3 2,4 U030 ........... 100 (45.4) 

Brucine .................................................................................................................................................... 357–57–3 4 P018 ........... 100 (45.4) 

1,3-Butadiene ......................................................................................................................................... 106–99–0 3 .................... 10 (4.54) 

1,3-Butadiene, 1,1,2,3,4,4-hexachloro- .................................................................................................. 87–68–3 2,3,4 U128 ........... 1 (0.454) 

1-Butanamine, N-butyl-N-nitroso- ........................................................................................................... 924–16–3 4 U172 ........... 10 (4.54) 

1-Butanol ................................................................................................................................................ 71–36–3 4 U031 ........... 5000 (2270) 

2-Butanone ............................................................................................................................................. 78–93–3 4 U159 ........... 5000 (2270) 

2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime ......................................... 39196–18–4 4 P045 ........... 100 (45.4) 

2-Butanone peroxide .............................................................................................................................. 1338–23–4 4 U160 ........... 10 (4.54) 

2-Butenal ................................................................................................................................................ 123–73–9 

4170–30–3 

1,4 U053 ........... 100 (45.4) 

2-Butene, 1,4-dichloro- ........................................................................................................................... 764–41–0 4 U074 ........... 1 (0.454) 

2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 

5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]-.

303–34–4 4 U143 ........... 10 (4.54) 

Butyl acetate ........................................................................................................................................... 123–86–4 1 .................... 5000 (2270) 

iso-Butyl acetate .............................................................................................................................. 110–19–0 1 .................... 5000 (2270) 

sec-Butyl acetate ............................................................................................................................. 105–46–4 1 .................... 5000 (2270) 

tert-Butyl acetate ............................................................................................................................. 540–88–5 1 .................... 5000 (2270) 

n-Butyl alcohol ........................................................................................................................................ 71–36–3 4 U031 ........... 5000 (2270) 

Butylamine .............................................................................................................................................. 109–73–9 1 .................... 1000 (454) 

iso-Butylamine ................................................................................................................................. 78–81–9 1 .................... 1000 (454) 

sec-Butylamine ................................................................................................................................ 513–49–5 

13952–84–6 

1 .................... 1000 (454) 

tert-Butylamine ................................................................................................................................ 75–64–9 1 .................... 1000 (454) 

Butyl benzyl phthalate ............................................................................................................................ 85–68–7 2 .................... 100 (45.4) 

n-Butyl phthalate ..................................................................................................................................... 84–74–2 1,2,3,4 U069 ........... 10 (4.54) 

Butyric acid ............................................................................................................................................. 107–92–6 1 .................... 5000 (2270) 

iso-Butyric acid ................................................................................................................................ 79–31–2 1 .................... 5000 (2270) 

Cacodylic acid ........................................................................................................................................ 75–60–5 4 U136 ........... 1 (0.454) 

CADMIUM AND COMPOUNDS ............................................................................................................. N.A. 2,3 .................... ** 

Cadmium III ............................................................................................................................................. 7440–43–9 2 .................... 10 (4.54) 

Cadmium acetate ................................................................................................................................... 543–90–8 1 .................... 10 (4.54) 

Cadmium bromide .................................................................................................................................. 7789–42–6 1 .................... 10 (4.54) 

Cadmium chloride ................................................................................................................................... 10108–64–2 1 .................... 10 (4.54) 

Cadmium compounds ............................................................................................................................. N.A. 2,3 .................... ** 

Calcium arsenate .................................................................................................................................... 7778–44–1 1 .................... 1 (0.454) 

Calcium arsenite ..................................................................................................................................... 52740–16–6 1 .................... 1 (0.454) 

Calcium carbide ...................................................................................................................................... 75–20–7 1 .................... 10 (4.54) 

Calcium chromate ................................................................................................................................... 13765–19–0 1,4 U032 ........... 10 (4.54) 

Calcium cyanamide ................................................................................................................................ 156–62–7 3 .................... 1000 (454) 

Calcium cyanide Ca(CN)2 ...................................................................................................................... 592–01–8 1,4 P021 ........... 10 (4.54) 

Calcium dodecylbenzenesulfonate ......................................................................................................... 26264–06–2 1 .................... 1000 (454) 

Calcium hypochlorite .............................................................................................................................. 7778–54–3 1 .................... 10 (4.54) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20729 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Captan .................................................................................................................................................... 133–06–2 1,3 .................... 10 (4.54) 

Carbamic acid, 1H-benzimidazol-2-yl, methyl ester ............................................................................... 10605–21–7 4 U372 ........... 10 (4.54) 

Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester ..................................... 17804–35–2 4 U271 ........... 10 (4.54) 

Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester ................................................................... 101–27–9 4 U280 ........... 10 (4.54) 

Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester ................ 55285–14–8 4 P189 ........... 1000 (454) 

Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester ........................ 644–64–4 4 P191 ........... 1 (0.454) 

Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester ......................................... 119–38–0 4 P192 ........... 100 (45.4) 

Carbamic acid, ethyl ester ...................................................................................................................... 51–79–6 3,4 U238 ........... 100 (45.4) 

Carbamic acid, methyl-, 3-methylphenyl ester ....................................................................................... 1129–41–5 4 P190 ........... 1000 (454) 

Carbamic acid, methylnitroso-, ethyl ester ............................................................................................. 615–53–2 4 U178 ........... 1 (0.454) 

Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester .......................................... 23564–05–8 4 U409 ........... 10 (4.54) 

Carbamic acid, phenyl-, 1-methylethyl ester .......................................................................................... 122–42–9 4 U373 ........... 1000 (454) 

Carbamic chloride, dimethyl- .................................................................................................................. 79–44–7 3,4 U097 ........... 1 (0.454) 

Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters ....................................................................... 111–54–6 4 U114 ........... 5000 (2270) 

Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester ......................................... 2303–16–4 4 U062 ........... 100 (45.4) 

Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester ....................................... 2303–17–5 4 U389 ........... 100 (45.4) 

Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester .......................................................................... 52888–80–9 4 U387 ........... 5000 (2270) 

Carbaryl .................................................................................................................................................. 63–25–2 1,3,4 U279 ........... 100 (45.4) 

Carbendazim .......................................................................................................................................... 10605–21–7 4 U372 ........... 10 (4.54) 

Carbofuran .............................................................................................................................................. 1563–66–2 1,4 P127 ........... 10 (4.54) 

Carbofuran phenol .................................................................................................................................. 1563–38–8 4 U367 ........... 10 (4.54) 

Carbon disulfide ...................................................................................................................................... 75–15–0 1,3,4 P022 ........... 100 (45.4) 

Carbonic acid, dithallium(1 +) salt .......................................................................................................... 6533–73–9 4 U215 ........... 100 (45.4) 

Carbonic dichloride ................................................................................................................................. 75–44–5 1,3,4 P095 ........... 10 (4.54) 

Carbonic difluoride .................................................................................................................................. 353–50–4 4 U033 ........... 1000 (454) 

Carbonochloridic acid, methyl ester ....................................................................................................... 79–22–1 4 U156 ........... 1000 (454) 

Carbon oxyfluoride ................................................................................................................................. 353–50–4 4 U033 ........... 1000 (454) 

Carbon tetrachloride ............................................................................................................................... 56–23–5 1,2,3,4 U211 ........... 10 (4.54) 

Carbonyl sulfide ...................................................................................................................................... 463–58–1 3 .................... 100 (45.4) 

Carbosulfan ............................................................................................................................................ 55285–14–8 4 P189 ........... 1000 (454) 

Catechol .................................................................................................................................................. 120–80–9 3 .................... 100 (45.4) 

Chloral .................................................................................................................................................... 75–87–6 4 U034 ........... 5000 (2270) 

Chloramben ............................................................................................................................................ 133–90–4 3 .................... 100 (45.4) 

Chlorambucil ........................................................................................................................................... 305–03–3 4 U035 ........... 10 (4.54) 

CHLORDANE (TECHNICAL MIXTURE AND METABOLITES) ............................................................. 57–74–9 1,2,3,4 U036 ........... 1 (0.454) 

Chlordane ............................................................................................................................................... 57–74–9 1,2,3,4 U036 ........... 1 (0.454) 

Chlordane, alpha & gamma isomers ...................................................................................................... 57–74–9 

5103–71–9 

5103–74–2 

1,2,3,4 U036 ........... 1 (0.454) 

CHLORINATED BENZENES ................................................................................................................. N.A. 2 .................... ** 

Chlorinated camphene ........................................................................................................................... 8001–35–2 1,2,3,4 P123 ........... 1 (0.454) 

CHLORINATED ETHANES .................................................................................................................... N.A. 2 .................... ** 

CHLORINATED NAPHTHALENE .......................................................................................................... N.A. 2 .................... ** 

CHLORINATED PHENOLS .................................................................................................................... N.A. 2 .................... ** 

Chlorine .................................................................................................................................................. 7782–50–5 1,3 .................... 10 (4.54) 

Chlornaphazine ....................................................................................................................................... 494–03–1 4 U026 ........... 100 (45.4) 

Chloroacetaldehyde ................................................................................................................................ 107–20–0 4 P023 ........... 1000 (454) 

Chloroacetic acid .................................................................................................................................... 79–11–8 3 .................... 100 (45.4) 

2-Chloroacetophenone ........................................................................................................................... 532–27–4 3 .................... 100 (45.4) 

CHLOROALKYL ETHERS ..................................................................................................................... N.A. 2 .................... ** 

p-Chloroaniline ........................................................................................................................................ 106–47–8 4 P024 ........... 1000 (454) 

Chlorobenzene ....................................................................................................................................... 108–90–7 1,2,3,4 U037 ........... 100 (45.4) 

Chlorobenzilate ....................................................................................................................................... 510–15–6 3,4 U038 ........... 10 (4.54) 

p-Chloro-m-cresol ................................................................................................................................... 59–50–7 2,4 U039 ........... 5000 (2270) 

Chlorodibromomethane .......................................................................................................................... 124–48–1 2 .................... 100 (45.4) 

1-Chloro-2,3-epoxypropane .................................................................................................................... 106–89–8 1,3,4 U041 ........... 100 (45.4) 

Chloroethane .......................................................................................................................................... 75–00–3 2,3 .................... 100 (45.4) 

2-Chloroethyl vinyl ether ......................................................................................................................... 110–75–8 2,4 U042 ........... 1000 (454) 

Chloroform .............................................................................................................................................. 67–66–3 1,2,3,4 U044 ........... 10 (4.54) 

Chloromethane ....................................................................................................................................... 74–87–3 2,3,4 U045 ........... 100 (45.4) 

Chloromethyl methyl ether ..................................................................................................................... 107–30–2 3,4 U046 ........... 10 (4.54) 

beta-Chloronaphthalene ......................................................................................................................... 91–58–7 2,4 U047 ........... 5000 (2270) 

2-Chloronaphthalene .............................................................................................................................. 91–58–7 2,4 U047 ........... 5000 (2270) 

2-Chlorophenol ....................................................................................................................................... 95–57–8 2,4 U048 ........... 100 (45.4) 

o-Chlorophenol ....................................................................................................................................... 95–57–8 2,4 U048 ........... 100 (45.4) 

4-Chlorophenyl phenyl ether .................................................................................................................. 7005–72–3 2 .................... 5000 (2270) 

1-(o-Chlorophenyl)thiourea ..................................................................................................................... 5344–82–1 4 P026 ........... 100 (45.4) 

Chloroprene ............................................................................................................................................ 126–99–8 3 .................... 100 (45.4) 

3-Chloropropionitrile ............................................................................................................................... 542–76–7 4 P027 ........... 1000 (454) 

Chlorosulfonic acid ................................................................................................................................. 7790–94–5 1 .................... 1000 (454) 

4-Chloro-o-toluidine, hydrochloride ........................................................................................................ 3165–93–3 4 U049 ........... 100 (45.4) 

Chlorpyrifos ............................................................................................................................................. 2921–88–2 1 .................... 1 (0.454) 

Chromic acetate ..................................................................................................................................... 1066–30–4 1 .................... 1000 (454) 

Chromic acid ........................................................................................................................................... 7738–94–5 1 .................... 10 (4.54) 

Chromic acid H2CrO4, calcium salt ........................................................................................................ 13765–19–0 1,4 U032 ........... 10 (4.54) 

Chromic sulfate ....................................................................................................................................... 10101–53–8 1 .................... 1000 (454) 

CHROMIUM AND COMPOUNDS .......................................................................................................... N.A. 2,3 .................... ** 

Chromium Compounds ........................................................................................................................... N.A. 2,3 .................... ** 

Chromium III ............................................................................................................................................ 7440–47–3 2 .................... 5000 (2270) 


jspears on DSK121TN23PROD with RULES1
20730 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Chromous chloride ................................................................................................................................. 10049–05–5 1 .................... 1000 (454) 

Chrysene ................................................................................................................................................ 218–01–9 2,4 U050 ........... 100 (45.4) 

Cobalt Compounds ................................................................................................................................. N.A. 3 .................... ** 

Cobaltous bromide ................................................................................................................................. 7789–43–7 1 .................... 1000 (454) 

Cobaltous formate .................................................................................................................................. 544–18–3 1 .................... 1000 (454) 

Cobaltous sulfamate ............................................................................................................................... 14017–41–5 1 .................... 1000 (454) 

Coke Oven Emissions ............................................................................................................................ N.A. 3 .................... 1 (0.454) 

COPPER AND COMPOUNDS ............................................................................................................... N.A. 2 .................... ** 

CopperIII ................................................................................................................................................. 7440–50–8 2 .................... 5000 (2270) 

Copper cyanide Cu(CN) ......................................................................................................................... 544–92–3 4 P029 ........... 10 (4.54) 

Coumaphos ............................................................................................................................................ 56–72–4 1 .................... 10 (4.54) 

Creosote ................................................................................................................................................. N.A 4 U051 ........... 1 (0.454) 

Cresol (cresylic acid) .............................................................................................................................. 1319–77–3 1,3,4 U052 ........... 100 (45.4) 

m-Cresol .......................................................................................................................................... 108–39–4 3 .................... 100 (45.4) 

o-Cresol ........................................................................................................................................... 95–48–7 3 .................... 100 (45.4) 

p-Cresol ........................................................................................................................................... 106–44–5 3 .................... 100 (45.4) 

Cresols (isomers and mixture) ............................................................................................................... 1319–77–3 1,3,4 U052 ........... 100 (45.4) 

Cresylic acid (isomers and mixture) ....................................................................................................... 1319–77–3 1,3,4 U052 ........... 100 (45.4) 

Crotonaldehyde ...................................................................................................................................... 123–73–9 

4170–30–3 

1,4 U053 ........... 100 (45.4) 

Cumene .................................................................................................................................................. 98–82–8 3,4 U055 ........... 5000 (2270) 

m-Cumenyl methylcarbamate ................................................................................................................. 64–00–6 4 P202 ........... 10 (4.54) 

Cupric acetate ........................................................................................................................................ 142–71–2 1 .................... 100 (45.4) 

Cupric acetoarsenite ............................................................................................................................... 12002–03–8 1 .................... 1 (0.454) 

Cupric chloride ........................................................................................................................................ 7447–39–4 1 .................... 10 (4.54) 

Cupric nitrate .......................................................................................................................................... 3251–23–8 1 .................... 100 (45.4) 

Cupric oxalate ......................................................................................................................................... 55671–32–4 1 .................... 100 (45.4) 

Cupric sulfate .......................................................................................................................................... 7758–98–7 1 .................... 10 (4.54) 

Cupric sulfate, ammoniated .................................................................................................................... 10380–29–7 1 .................... 100 (45.4) 

Cupric tartrate ......................................................................................................................................... 815–82–7 1 .................... 100 (45.4) 

CYANIDES ............................................................................................................................................. N.A. 2,3 .................... ** 

Cyanide Compounds .............................................................................................................................. N.A. 2,3 .................... ** 

Cyanides (soluble salts and complexes) not otherwise specified ......................................................... N.A. 4 P030 ........... 10 (4.54) 

Cyanogen ............................................................................................................................................... 460–19–5 4 P031 ........... 100 (45.4) 

Cyanogen bromide (CN)Br ..................................................................................................................... 506–68–3 4 U246 ........... 1000 (454) 

Cyanogen chloride (CN)Cl ..................................................................................................................... 506–77–4 1,4 P033 ........... 10 (4.54) 

2,5-Cyclohexadiene-1,4-dione ................................................................................................................ 106–51–4 3,4 U197 ........... 10 (4.54) 

Cyclohexane ........................................................................................................................................... 110–82–7 1,4 U056 ........... 1000 (454) 

Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1a, 2a, 3b-, 4a, 5a, 6b) .......................................................... 58–89–9 1,2,3,4 U129 ........... 1 (0.454) 

Cyclohexanone ....................................................................................................................................... 108–94–1 4 U057 ........... 5000 (2270) 

2-Cyclohexyl-4,6-dinitrophenol ............................................................................................................... 131–89–5 4 P034 ........... 100 (45.4) 

1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- ........................................................................................ 77–47–4 1,2,3,4 U130 ........... 10 (4.54) 

Cyclophosphamide ................................................................................................................................. 50–18–0 4 U058 ........... 10 (4.54) 

2,4–D Acid .............................................................................................................................................. 94–75–7 1,3,4 U240 ........... 100 (45.4) 

2,4–D Ester ............................................................................................................................................. 94–11–1 

94–79–1 

94–80–4 

1320–18–9 

1928–38–7 

1928–61–6 

1929–73–3 

2971–38–2 

25168–26–7 

53467–11–1 

1 .................... 100 (45.4) 

2,4–D, salts and esters .......................................................................................................................... 94–75–7 1,3,4 U240 ........... 100 (45.4) 

Daunomycin ............................................................................................................................................ 20830–81–3 4 U059 ........... 10 (4.54) 

DDD ........................................................................................................................................................ 72–54–8 1,2,4 U060 ........... 1 (0.454) 

4,4′-DDD ................................................................................................................................................. 72–54–8 1,2,4 U060 ........... 1 (0.454) 

DDEb ...................................................................................................................................................... 72–55–9 2,4 .................... 1 (0.454) 

DDEb ...................................................................................................................................................... 3547–04–4 3 .................... 5000 (2270) 

4,4′-DDE ................................................................................................................................................. 72–55–9 2,4 .................... 1 (0.454) 

DDT ........................................................................................................................................................ 50–29–3 1,2,4 U061 ........... 1 (0.454) 

4,4′-DDT ................................................................................................................................................. 50–29–3 1,2,4 U061 ........... 1 (0.454) 

DDT AND METABOLITES ..................................................................................................................... N.A. 2 .................... ** 

DEHP ...................................................................................................................................................... 117–81–7 2,3,4 U028 ........... 100 (45.4) 

Diallate .................................................................................................................................................... 2303–16–4 4 U062 ........... 100 (45.4) 

Diazinon .................................................................................................................................................. 333–41–5 1 .................... 1 (0.454) 

Diazomethane ......................................................................................................................................... 334–88–3 3 .................... 100 (45.4) 

Dibenz[a,h]anthracene ............................................................................................................................ 53–70–3 2,4 U063 ........... 1 (0.454) 

1,2:5,6-Dibenzanthracene ...................................................................................................................... 53–70–3 2,4 U063 ........... 1 (0.454) 

Dibenzo[a,h]anthracene .......................................................................................................................... 53–70–3 2,4 U063 ........... 1 (0.454) 

Dibenzofuran .......................................................................................................................................... 132–64–9 3 .................... 100 (45.4) 

Dibenzo[a,i]pyrene .................................................................................................................................. 189–55–9 4 U064 ........... 10 (4.54) 

1,2-Dibromo-3-chloropropane ................................................................................................................. 96–12–8 3,4 U066 ........... 1 (0.454) 

Dibromoethane ....................................................................................................................................... 106–93–4 1,3,4 U067 ........... 1 (0.454) 

Dibutyl phthalate ..................................................................................................................................... 84–74–2 1,2,3,4 U069 ........... 10 (4.54) 

Di-n-butyl phthalate ................................................................................................................................ 84–74–2 1,2,3,4 U069 ........... 10 (4.54) 

Dicamba .................................................................................................................................................. 1918–00–9 1 .................... 1000 (454) 

Dichlobenil .............................................................................................................................................. 1194–65–6 1 .................... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20731 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Dichlone .................................................................................................................................................. 117–80–6 1 .................... 1 (0.454) 

Dichlorobenzene ..................................................................................................................................... 25321–22–6 1,2 .................... 100 (45.4) 

1,2-Dichlorobenzene ....................................................................................................................... 95–50–1 1,2,4 U070 ........... 100 (45.4) 

1,3-Dichlorobenzene ....................................................................................................................... 541–73–1 2,4 U071 ........... 100 (45.4) 

1,4-Dichlorobenzene ....................................................................................................................... 106–46–7 1,2,3,4 U072 ........... 100 (45.4) 

m-Dichlorobenzene ......................................................................................................................... 541–73–1 2,4 U071 ........... 100 (45.4) 

o-Dichlorobenzene .......................................................................................................................... 95–50–1 1,2,4 U070 ........... 100 (45.4) 

p-Dichlorobenzene .......................................................................................................................... 106–46–7 1,2,3,4 U072 ........... 100 (45.4) 

DICHLOROBENZIDINE .......................................................................................................................... 1331–47–1 2 .................... ** 

3,3′-Dichlorobenzidine ..................................................................................................................... 91–94–1 2,3,4 U073 ........... 1 (0.454) 

Dichlorobromomethane .......................................................................................................................... 75–27–4 2 .................... 5000 (2270) 

1,4-Dichloro-2-butene ............................................................................................................................. 764–41–0 4 U074 ........... 1 (0.454) 

Dichlorodifluoromethane ......................................................................................................................... 75–71–8 4 U075 ........... 5000 (2270) 

1,1-Dichloroethane ................................................................................................................................. 75–34–3 2,3,4 U076 ........... 1000 (454) 

1,2-Dichloroethane ................................................................................................................................. 107–06–2 1,2,3,4 U077 ........... 100 (45.4) 

1,1-Dichloroethylene ............................................................................................................................... 75–35–4 1,2,3,4 U078 ........... 100 (45.4) 

1,2-Dichloroethylene ............................................................................................................................... 156–60–5 2,4 U079 ........... 1000 (454) 

Dichloroethyl ether .................................................................................................................................. 111–44–4 2,3,4 U025 ........... 10 (4.54) 

Dichloroisopropyl ether ........................................................................................................................... 108–60–1 2,4 U027 ........... 1000 (454) 

Dichloromethane ..................................................................................................................................... 75–09–2 2,3,4 U080 ........... 1000 (454) 

Dichloromethoxy ethane ......................................................................................................................... 111–91–1 2,4 U024 ........... 1000 (454) 

Dichloromethyl ether ............................................................................................................................... 542–88–1 3,4 P016 ........... 10 (4.54) 

2,4-Dichlorophenol .................................................................................................................................. 120–83–2 2,4 U081 ........... 100 (45.4) 

2,6-Dichlorophenol .................................................................................................................................. 87–65–0 4 U082 ........... 100 (45.4) 

Dichlorophenylarsine .............................................................................................................................. 696–28–6 4 P036 ........... 1 (0.454) 

Dichloropropane ..................................................................................................................................... 26638–19–7 1,2 .................... 1000 (454) 

1,1-Dichloropropane ........................................................................................................................ 78–99–9 1,2 .................... 1000 (454) 

1,2-Dichloropropane ........................................................................................................................ 78–87–5 1,2,3,4 U083 ........... 1000 (454) 

1,3-Dichloropropane ........................................................................................................................ 142–28–9 1,2 .................... 1000 (454) 

Dichloropropane—Dichloropropene (mixture) ........................................................................................ 8003–19–8 1 .................... 100 (45.4) 

Dichloropropene ..................................................................................................................................... 26952–23–8 1,2 .................... 100 (45.4) 

1,3-Dichloropropene ........................................................................................................................ 542–75–6 1,2,3,4 U084 ........... 100 (45.4) 

2,3-Dichloropropene ........................................................................................................................ 78–88–6 1,2 .................... 100 (45.4) 

2,2-Dichloropropionic acid ...................................................................................................................... 75–99–0 1 .................... 5000 (2270) 

Dichlorvos ............................................................................................................................................... 62–73–7 1,3 .................... 10 (4.54) 

Dicofol ..................................................................................................................................................... 115–32–2 1 .................... 10 (4.54) 

Dieldrin .................................................................................................................................................... 60–57–1 1,2,4 P037 ........... 1 (0.454) 

1,2:3,4-Diepoxybutane ............................................................................................................................ 1464–53–5 4 U085 ........... 10 (4.54) 

Diethanolamine ....................................................................................................................................... 111–42–2 3 .................... 100 (45.4) 

Diethylamine ........................................................................................................................................... 109–89–7 1 .................... 100 (45.4) 

N,N-Diethylaniline ................................................................................................................................... 91–66–7 3 .................... 1000 (454) 

Diethylarsine ........................................................................................................................................... 692–42–2 4 P038 ........... 1 (0.454) 

1,4-Diethyleneoxide ................................................................................................................................ 123–91–1 3,4 U108 ........... 100 (45.4) 

Diethylene glycol, dicarbamate .............................................................................................................. 5952–26–1 4 U395 ........... 5000 (2270) 

Diethylhexyl phthalate ............................................................................................................................ 117–81–7 2,3,4 U028 ........... 100 (45.4) 

N,N′-Diethylhydrazine ............................................................................................................................. 1615–80–1 4 U086 ........... 10 (4.54) 

O,O-Diethyl S-methyl dithiophosphate ................................................................................................... 3288–58–2 4 U087 ........... 5000 (2270) 

Diethyl-p-nitrophenyl phosphate ............................................................................................................. 311–45–5 4 P041 ........... 100 (45.4) 

Diethyl phthalate ..................................................................................................................................... 84–66–2 2,4 U088 ........... 1000 (454) 

O,O-Diethyl O-pyrazinyl phosphorothioate ............................................................................................. 297–97–2 4 P040 ........... 100 (45.4) 

Diethylstilbestrol ...................................................................................................................................... 56–53–1 4 U089 ........... 1 (0.454) 

Diethyl sulfate ......................................................................................................................................... 64–67–5 3 .................... 10 (4.54) 

Dihydrosafrole ......................................................................................................................................... 94–58–6 4 U090 ........... 10 (4.54) 

Diisopropylfluorophosphate (DFP) ......................................................................................................... 55–91–4 4 P043 ........... 100 (45.4) 

1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, 

(1alpha,4alpha,4abeta,5alpha, 8alpha,8abeta)-.

309–00–2 1,2,4 P004 ........... 1 (0.454) 

1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, 

(1alpha,4alpha,4abeta, 5beta,8beta,8abeta)-.

465–73–6 4 P060 ........... 1 (0.454) 

2,7:3,6-Dimethanonaphth[2,3- b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro- 

,(1aalpha,2beta, 2aalpha,3beta,6beta,6aalpha, 7beta,7aalpha)-.

60–57–1 1,2,4 P037 ........... 1 (0.454) 

2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro- 

,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites.

72–20–8 1,2,4 P051 ........... 1 (0.454) 

Dimethoate ............................................................................................................................................. 60–51–5 4 P044 ........... 10 (4.54) 

3,3′-Dimethoxybenzidine ........................................................................................................................ 119–90–4 3,4 U091 ........... 100 (45.4) 

Dimethylamine ........................................................................................................................................ 124–40–3 1,4 U092 ........... 1000 (454) 

Dimethyl aminoazobenzene ................................................................................................................... 60–11–7 3,4 U093 ........... 10 (4.54) 

p-Dimethylaminoazobenzene ................................................................................................................. 60–11–7 3,4 U093 ........... 10 (4.54) 

N,N-Dimethylaniline ................................................................................................................................ 121–69–7 3 .................... 100 (45.4) 

7,12-Dimethylbenz[a]anthracene ............................................................................................................ 57–97–6 4 U094 ........... 1 (0.454) 

3,3′-Dimethylbenzidine ........................................................................................................................... 119–93–7 3,4 U095 ........... 10 (4.54) 

alpha,alpha-Dimethylbenzylhydroperoxide ............................................................................................. 80–15–9 4 U096 ........... 10 (4.54) 

Dimethylcarbamoyl chloride ................................................................................................................... 79–44–7 3,4 U097 ........... 1 (0.454) 

Dimethylformamide ................................................................................................................................. 68–12–2 3 .................... 100 (45.4) 

1,1-Dimethylhydrazine ............................................................................................................................ 57–14–7 3,4 U098 ........... 10 (4.54) 

1,2-Dimethylhydrazine ............................................................................................................................ 540–73–8 4 U099 ........... 1 (0.454) 

alpha,alpha-Dimethylphenethylamine ..................................................................................................... 122–09–8 4 P046 ........... 5000 (2270) 

2,4-Dimethylphenol ................................................................................................................................. 105–67–9 2,4 U101 ........... 100 (45.4) 

Dimethyl phthalate .................................................................................................................................. 131–11–3 2,3,4 U102 ........... 5000 (2270) 

Dimethyl sulfate ...................................................................................................................................... 77–78–1 3,4 U103 ........... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
20732 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Dimetilan ................................................................................................................................................. 644–64–4 4 P191 ........... 1 (0.454) 

Dinitrobenzene (mixed) .......................................................................................................................... 25154–54–5 1 .................... 100 (45.4) 

m-Dinitrobenzene ............................................................................................................................ 99–65–0 1 .................... 100 (45.4) 

o-Dinitrobenzene ............................................................................................................................. 528–29–0 1 .................... 100 (45.4) 

p-Dinitrobenzene ............................................................................................................................. 100–25–4 1 .................... 100 (45.4) 

4,6-Dinitro-o-cresol ................................................................................................................................. 534–52–1 2,3,4 P047 ........... 10 (4.54) 

4,6-Dinitro-o-cresol, and salts ................................................................................................................ 534–52–1 3,4 P047 ........... 10 (4.54) 

Dinitrophenol ........................................................................................................................................... 25550–58–7 1 .................... 10 (4.54) 

2,4-Dinitrophenol ............................................................................................................................. 51–28–5 1,2,3,4 P048 ........... 10 (4.54) 

2,5-Dinitrophenol ............................................................................................................................. 329–71–5 1 .................... 10 (4.54) 

2,6-Dinitrophenol ............................................................................................................................. 573–56–8 1 .................... 10 (4.54) 

Dinitrotoluene .......................................................................................................................................... 25321–14–6 1,2 .................... 10 (4.54) 

2,4-Dinitrotoluene ............................................................................................................................ 121–14–2 1,2,3,4 U105 ........... 10 (4.54) 

2,6-Dinitrotoluene ............................................................................................................................ 606–20–2 1,2,4 U106 ........... 100 (45.4) 

3,4-Dinitrotoluene ............................................................................................................................ 610–39–9 1,2 .................... 10 (4.54) 

Dinoseb ................................................................................................................................................... 88–85–7 4 P020 ........... 1000 (454) 

Di-n-octyl phthalate ................................................................................................................................. 117–84–0 2,4 U107 ........... 5000 (2270) 

1,4-Dioxane ............................................................................................................................................ 123–91–1 3,4 U108 ........... 100 (45.4) 

DIPHENYLHYDRAZINE ......................................................................................................................... 38622–18–3 2 .................... ** 

1,2-Diphenylhydrazine ............................................................................................................................ 122–66–7 2,3,4 U109 ........... 10 (4.54) 

Diphosphoramide, octamethyl- ............................................................................................................... 152–16–9 4 P085 ........... 100 (45.4) 

Diphosphoric acid, tetraethyl ester ......................................................................................................... 107–49–3 1,4 P111 ........... 10 (4.54) 

Dipropylamine ......................................................................................................................................... 142–84–7 4 U110 ........... 5000 (2270) 

Di-n-propylnitrosamine ............................................................................................................................ 621–64–7 2,4 U111 ........... 10 (4.54) 

Diquat ..................................................................................................................................................... 85–00–7 

2764–72–9 

1 .................... 1000 (454) 

Disulfoton ................................................................................................................................................ 298–04–4 1,4 P039 ........... 1 (0.454) 

Dithiobiuret .............................................................................................................................................. 541–53–7 4 P049 ........... 100 (45.4) 

1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime ............................. 26419–73–8 4 P185 ........... 100 (45.4) 

Diuron ..................................................................................................................................................... 330–54–1 1 .................... 100 (45.4) 

Dodecylbenzenesulfonic acid ................................................................................................................. 27176–87–0 1 .................... 1000 (454) 

ENDOSULFAN AND METABOLITES .................................................................................................... N.A. 2 .................... ** 

Endosulfan .............................................................................................................................................. 115–29–7 1,2,4 P050 ........... 1 (0.454) 

alpha-Endosulfan ............................................................................................................................. 959–98–8 2 .................... 1 (0.454) 

beta-Endosulfan .............................................................................................................................. 33213–65–9 2 .................... 1 (0.454) 

Endosulfan sulfate .................................................................................................................................. 1031–07–8 2 .................... 1 (0.454) 

Endothall ................................................................................................................................................. 145–73–3 4 P088 ........... 1000 (454) 

ENDRIN AND METABOLITES ............................................................................................................... N.A. 2,4 P051 ........... ** 

Endrin, & metabolites ............................................................................................................................. 72–20–8 1,2,4 P051 ........... 1 (0.454) 

Endrin ..................................................................................................................................................... 72–20–8 1,2,4 P051 ........... 1 (0.454) 

Endrin aldehyde ...................................................................................................................................... 7421–93–4 2 .................... 1 (0.454) 

Epichlorohydrin ....................................................................................................................................... 106–89–8 1,3,4 U041 ........... 100 (45.4) 

Epinephrine ............................................................................................................................................. 51–43–4 4 P042 ........... 1000 (454) 

1,2-Epoxybutane ..................................................................................................................................... 106–88–7 3 .................... 100 (45.4) 

Ethanal .................................................................................................................................................... 75–07–0 1,3,4 U001 ........... 1000 (454) 

Ethanamine, N,N-diethyl- ....................................................................................................................... 121–44–8 1,3,4 U404 ........... 5000 (2270) 

Ethanamine, N-ethyl-N-nitroso- .............................................................................................................. 55–18–5 4 U174 ........... 1 (0.454) 

1,2-Ethanediamine, N,N-dimethyl-N′-2- pyridinyl-N′-(2- thienylmethyl)- ................................................ 91–80–5 4 U155 ........... 5000 (2270) 

Ethane, 1,2-dibromo- .............................................................................................................................. 106–93–4 1,3,4 U067 ........... 1 (0.454) 

Ethane, 1,1-dichloro- .............................................................................................................................. 75–34–3 2,3,4 U076 ........... 1000 (454) 

Ethane, 1,2-dichloro- .............................................................................................................................. 107–06–2 1,2,3,4 U077 ........... 100 (45.4) 

Ethanedinitrile ......................................................................................................................................... 460–19–5 4 P031 ........... 100 (45.4) 

Ethane, hexachloro- ............................................................................................................................... 67–72–1 2,3,4 U131 ........... 100 (45.4) 

Ethane, 1,1′-[methylenebis(oxy)]bis[2- chloro- ....................................................................................... 111–91–1 2,4 U024 ........... 1000 (454) 

Ethane, 1,1′-oxybis- ................................................................................................................................ 60–29–7 4 U117 ........... 100 (45.4) 

Ethane, 1,1′-oxybis[2-chloro- .................................................................................................................. 111–44–4 2,3,4 U025 ........... 10 (4.54) 

Ethane, pentachloro- .............................................................................................................................. 76–01–7 4 U184 ........... 10 (4.54) 

Ethane, 1,1,1,2-tetrachloro- .................................................................................................................... 630–20–6 4 U208 ........... 100 (45.4) 

Ethane, 1,1,2,2-tetrachloro- .................................................................................................................... 79–34–5 2,3,4 U209 ........... 100 (45.4) 

Ethanethioamide ..................................................................................................................................... 62–55–5 4 U218 ........... 10 (4.54) 

Ethane, 1,1,1-trichloro- ........................................................................................................................... 71–55–6 2,3,4 U226 ........... 1000 (454) 

Ethane, 1,1,2-trichloro- ........................................................................................................................... 79–00–5 2,3,4 U227 ........... 100 (45.4) 

Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester ............................................ 30558–43–1 4 U394 ........... 5000 (2270) 

Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester .......... 23135–22–0 4 P194 ........... 100 (45.4) 

Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester ................................................. 16752–77–5 4 P066 ........... 100 (45.4) 

Ethanimidothioic acid, N,N′- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester ........................... 59669–26–0 4 U410 ........... 100 (45.4) 

Ethanol, 2-ethoxy- .................................................................................................................................. 110–80–5 4 U359 ........... 1000 (454) 

Ethanol, 2,2′-(nitrosoimino)bis- ............................................................................................................... 1116–54–7 4 U173 ........... 1 (0.454) 

Ethanol, 2,2′-oxybis-, dicarbamate ......................................................................................................... 5952–26–1 4 U395 ........... 5000 (2270) 

Ethanone, 1-phenyl- ............................................................................................................................... 98–86–2 3,4 U004 ........... 5000 (2270) 

Ethene, chloro- ....................................................................................................................................... 75–01–4 2,3,4 U043 ........... 1 (0.454) 

Ethene, (2-chloroethoxy)- ....................................................................................................................... 110–75–8 2,4 U042 ........... 1000 (454) 

Ethene, 1,1-dichloro- .............................................................................................................................. 75–35–4 1,2,3,4 U078 ........... 100 (45.4) 

Ethene, 1,2-dichloro-(E) ......................................................................................................................... 156–60–5 2,4 U079 ........... 1000 (454) 

Ethene, tetrachloro- ................................................................................................................................ 127–18–4 2,3,4 U210 ........... 100 (45.4) 

Ethene, trichloro- .................................................................................................................................... 79–01–6 1,2,3,4 U228 ........... 100 (45.4) 

Ethion ...................................................................................................................................................... 563–12–2 1 .................... 10 (4.54) 

Ethyl acetate ........................................................................................................................................... 141–78–6 4 U112 ........... 5000 (2270) 

Ethyl acrylate .......................................................................................................................................... 140–88–5 3,4 U113 ........... 1000 (454) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20733 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Ethylbenzene .......................................................................................................................................... 100–41–4 1,2,3 .................... 1000 (454) 

Ethyl carbamate ...................................................................................................................................... 51–79–6 3,4 U238 ........... 100 (45.4) 

Ethyl chloride .......................................................................................................................................... 75–00–3 2,3 .................... 100 (45.4) 

Ethyl cyanide .......................................................................................................................................... 107–12–0 4 P101 ........... 10 (4.54) 

Ethylenebisdithiocarbamic acid, salts & esters ...................................................................................... 111–54–6 4 U114 ........... 5000 (2270) 

Ethylenediamine ..................................................................................................................................... 107–15–3 1 .................... 5000 (2270) 

Ethylenediamine-tetraacetic acid (EDTA) .............................................................................................. 60–00–4 1 .................... 5000 (2270) 

Ethylene dibromide ................................................................................................................................. 106–93–4 1,3,4 U067 ........... 1 (0.454) 

Ethylene dichloride ................................................................................................................................. 107–06–2 1,2,3,4 U077 ........... 100 (45.4) 

Ethylene glycol ....................................................................................................................................... 107–21–1 3 .................... 5000 (2270) 

Ethylene glycol monoethyl ether ............................................................................................................ 110–80–5 4 U359 ........... 1000 (454) 

Ethylene oxide ........................................................................................................................................ 75–21–8 3,4 U115 ........... 10 (4.54) 

Ethylenethiourea ..................................................................................................................................... 96–45–7 3,4 U116 ........... 10 (4.54) 

Ethylenimine ........................................................................................................................................... 151–56–4 3,4 P054 ........... 1 (0.454) 

Ethyl ether .............................................................................................................................................. 60–29–7 4 U117 ........... 100 (45.4) 

Ethylidene dichloride .............................................................................................................................. 75–34–3 2,3,4 U076 ........... 1000 (454) 

Ethyl methacrylate .................................................................................................................................. 97–63–2 4 U118 ........... 1000 (454) 

Ethyl methanesulfonate .......................................................................................................................... 62–50–0 4 U119 ........... 1 (0.454) 

Famphur ................................................................................................................................................. 52–85–7 4 P097 ........... 1000 (454) 

Ferric ammonium citrate ......................................................................................................................... 1185–57–5 1 .................... 1000 (454) 

Ferric ammonium oxalate ....................................................................................................................... 2944–67–4 

55488–87–4 

1 .................... 1000 (454) 

Ferric chloride ......................................................................................................................................... 7705–08–0 1 .................... 1000 (454) 

Ferric fluoride .......................................................................................................................................... 7783–50–8 1 .................... 100 (45.4) 

Ferric nitrate ........................................................................................................................................... 10421–48–4 1 .................... 1000 (454) 

Ferric sulfate ........................................................................................................................................... 10028–22–5 1 .................... 1000 (454) 

Ferrous ammonium sulfate ..................................................................................................................... 10045–89–3 1 .................... 1000 (454) 

Ferrous chloride ...................................................................................................................................... 7758–94–3 1 .................... 100 (45.4) 

Ferrous sulfate ........................................................................................................................................ 7720–78–7 

7782–63–0 

1 .................... 1000 (454) 

Fine mineral fibers c ................................................................................................................................ N.A. 3 .................... ** 

Fluoranthene ........................................................................................................................................... 206–44–0 2,4 U120 ........... 100 (45.4) 

Fluorene .................................................................................................................................................. 86–73–7 2 .................... 5000 (2270) 

Fluorine ................................................................................................................................................... 7782–41–4 4 P056 ........... 10 (4.54) 

Fluoroacetamide ..................................................................................................................................... 640–19–7 4 P057 ........... 100 (45.4) 

Fluoroacetic acid, sodium salt ................................................................................................................ 62–74–8 4 P058 ........... 10 (4.54) 

Formaldehyde ......................................................................................................................................... 50–00–0 1,3,4 U122 ........... 100 (45.4) 

Formetanate hydrochloride ..................................................................................................................... 23422–53–9 4 P198 ........... 100 (45.4) 

Formic acid ............................................................................................................................................. 64–18–6 1,4 U123 ........... 5000 (2270) 

Formparanate ......................................................................................................................................... 17702–57–7 4 P197 ........... 100 (45.4) 

Fulminic acid, mercury(2 +)salt .............................................................................................................. 628–86–4 4 P065 ........... 10 (4.54) 

Fumaric acid ........................................................................................................................................... 110–17–8 1 .................... 5000 (2270) 

Furan ...................................................................................................................................................... 110–00–9 4 U124 ........... 100 (45.4) 

2-Furancarboxaldehyde .......................................................................................................................... 98–01–1 1,4 U125 ........... 5000 (2270) 

2,5-Furandione ....................................................................................................................................... 108–31–6 1,3,4 U147 ........... 5000 (2270) 

Furan, tetrahydro- ................................................................................................................................... 109–99–9 4 U213 ........... 1000 (454) 

Furfural ................................................................................................................................................... 98–01–1 1,4 U125 ........... 5000 (2270) 

Furfuran .................................................................................................................................................. 110–00–9 4 U124 ........... 100 (45.4) 

Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D- ..................................................................... 18883–66–4 4 U206 ........... 1 (0.454) 

D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- ............................................................ 18883–66–4 4 U206 ........... 1 (0.454) 

Glycidylaldehyde ..................................................................................................................................... 765–34–4 4 U126 ........... 10 (4.54) 

Glycol ethers d ........................................................................................................................................ N.A. 3 .................... ** 

Guanidine, N-methyl-N′-nitro-N-nitroso- ................................................................................................. 70–25–7 4 U163 ........... 10 (4.54) 

Guthion ................................................................................................................................................... 86–50–0 1 .................... 1 (0.454) 

HALOETHERS ....................................................................................................................................... N.A. 2 .................... ** 

HALOMETHANES .................................................................................................................................. N.A. 2 .................... ** 

HEPTACHLOR AND METABOLITES .................................................................................................... N.A. 2 .................... ** 

Heptachlor .............................................................................................................................................. 76–44–8 1,2,3,4 P059 ........... 1 (0.454) 

Heptachlor epoxide ................................................................................................................................. 1024–57–3 2 .................... 1 (0.454) 

Hexachlorobenzene ................................................................................................................................ 118–74–1 2,3,4 U127 ........... 10 (4.54) 

Hexachlorobutadiene .............................................................................................................................. 87–68–3 2,3,4 U128 ........... 1 (0.454) 

HEXACHLOROCYCLOHEXANE (all isomers) ...................................................................................... 608–73–1 2 .................... ** 

Hexachlorocyclopentadiene .................................................................................................................... 77–47–4 1,2,3,4 U130 ........... 10 (4.54) 

Hexachloroethane ................................................................................................................................... 67–72–1 2,3,4 U131 ........... 100 (45.4) 

Hexachlorophene .................................................................................................................................... 70–30–4 4 U132 ........... 100 (45.4) 

Hexachloropropene ................................................................................................................................ 1888–71–7 4 U243 ........... 1000 (454) 

Hexaethyl tetraphosphate ....................................................................................................................... 757–58–4 4 P062 ........... 100 (45.4) 

Hexamethylene-1,6-diisocyanate ........................................................................................................... 822–06–0 3 .................... 100 (45.4) 

Hexamethylphosphoramide .................................................................................................................... 680–31–9 3 .................... 1 (0.454) 

Hexane ................................................................................................................................................... 110–54–3 3 .................... 5000 (2270) 

Hexone ................................................................................................................................................... 108–10–1 3,4 U161 ........... 5000 (2270) 

Hydrazine ................................................................................................................................................ 302–01–2 3,4 U133 ........... 1 (0.454) 

Hydrazinecarbothioamide ....................................................................................................................... 79–19–6 4 P116 ........... 100 (45.4) 

Hydrazine, 1,2-diethyl- ............................................................................................................................ 1615–80–1 4 U086 ........... 10 (4.54) 

Hydrazine, 1,1-dimethyl- ......................................................................................................................... 57–14–7 3,4 U098 ........... 10 (4.54) 

Hydrazine, 1,2-dimethyl- ......................................................................................................................... 540–73–8 4 U099 ........... 1 (0.454) 

Hydrazine, 1,2-diphenyl- ......................................................................................................................... 122–66–7 2,3,4 U109 ........... 10 (4.54) 

Hydrazine, methyl- .................................................................................................................................. 60–34–4 3,4 P068 ........... 10 (4.54) 

Hydrochloric acid .................................................................................................................................... 7647–01–0 1,3 .................... 5000 (2270) 


jspears on DSK121TN23PROD with RULES1
20734 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Hydrocyanic acid .................................................................................................................................... 74–90–8 1,4 P063 ........... 10 (4.54) 

Hydrofluoric acid ..................................................................................................................................... 7664–39–3 1,3,4 U134 ........... 100 (45.4) 

Hydrogen chloride .................................................................................................................................. 7647–01–0 1,3 .................... 5000 (2270) 

Hydrogen cyanide ................................................................................................................................... 74–90–8 1,4 P063 ........... 10 (4.54) 

Hydrogen fluoride ................................................................................................................................... 7664–39–3 1,3,4 U134 ........... 100 (45.4) 

Hydrogen phosphide .............................................................................................................................. 7803–51–2 3,4 P096 ........... 100 (45.4) 

Hydrogen sulfide H2S ............................................................................................................................ 7783–06–4 1,4 U135 ........... 100 (45.4) 

Hydroperoxide, 1-methyl-1-phenylethyl- ................................................................................................. 80–15–9 4 U096 ........... 10 (4.54) 

Hydroquinone ......................................................................................................................................... 123–31–9 3 .................... 100 (45.4) 

2-Imidazolidinethione .............................................................................................................................. 96–45–7 3,4 U116 ........... 10 (4.54) 

Indeno(1,2,3-cd)pyrene .......................................................................................................................... 193–39–5 2,4 U137 ........... 100 (45.4) 

Iodomethane ........................................................................................................................................... 74–88–4 3,4 U138 ........... 100 (45.4) 

1,3-Isobenzofurandione .......................................................................................................................... 85–44–9 3,4 U190 ........... 5000 (2270) 

Isobutyl alcohol ....................................................................................................................................... 78–83–1 4 U140 ........... 5000 (2270) 

Isodrin ..................................................................................................................................................... 465–73–6 4 P060 ........... 1 (0.454) 

Isolan ...................................................................................................................................................... 119–38–0 4 P192 ........... 100 (45.4) 

Isophorone .............................................................................................................................................. 78–59–1 2,3 .................... 5000 (2270) 

Isoprene .................................................................................................................................................. 78–79–5 1 .................... 100 (45.4) 

Isopropanolamine dodecylbenzenesulfonate ......................................................................................... 42504–46–1 1 .................... 1000 (454) 

3-Isopropylphenyl N-methylcarbamate ................................................................................................... 64–00–6 4 P202 ........... 10 (4.54) 

Isosafrole ................................................................................................................................................ 120–58–1 4 U141 ........... 100 (45.4) 

3(2H)-Isoxazolone, 5-(aminomethyl)- ..................................................................................................... 2763–96–4 4 P007 ........... 1000 (454) 

Kepone ................................................................................................................................................... 143–50–0 1,4 U142 ........... 1 (0.454) 

Lasiocarpine ........................................................................................................................................... 303–34–4 4 U143 ........... 10 (4.54) 

LEAD AND COMPOUNDS ..................................................................................................................... N.A. 2,3 .................... ** 

Lead III ..................................................................................................................................................... 7439–92–1 2 .................... 10 (4.54) 

Lead acetate ........................................................................................................................................... 301–04–2 1,4 U144 ........... 10 (4.54) 

Lead arsenate ......................................................................................................................................... 7784–40–9 

7645–25–2 

10102–48–4 

1 .................... 1 (0.454) 

Lead, bis(acetato-O)tetrahydroxytri- ....................................................................................................... 1335–32–6 4 U146 ........... 10 (4.54) 

Lead chloride .......................................................................................................................................... 7758–95–4 1 .................... 10 (4.54) 

Lead compounds .................................................................................................................................... N.A. 2,3 .................... ** 

Lead fluoborate ....................................................................................................................................... 13814–96–5 1 .................... 10 (4.54) 

Lead fluoride ........................................................................................................................................... 7783–46–2 1 .................... 10 (4.54) 

Lead iodide ............................................................................................................................................. 10101–63–0 1 .................... 10 (4.54) 

Lead nitrate ............................................................................................................................................. 10099–74–8 1 .................... 10 (4.54) 

Lead phosphate ...................................................................................................................................... 7446–27–7 4 U145 ........... 10 (4.54) 

Lead stearate .......................................................................................................................................... 1072–35–1 

7428–48–0 

56189–09–4 

1 .................... 10 (4.54) 

Lead subacetate ..................................................................................................................................... 1335–32–6 4 U146 ........... 10 (4.54) 

Lead sulfate ............................................................................................................................................ 7446–14–2 

15739–80–7 

1 .................... 10 (4.54) 

Lead sulfide ............................................................................................................................................ 1314–87–0 1 .................... 10 (4.54) 

Lead thiocyanate .................................................................................................................................... 592–87–0 1 .................... 10 (4.54) 

Lindane ................................................................................................................................................... 58–89–9 1,2,3,4 U129 ........... 1 (0.454) 

Lindane (all isomers) .............................................................................................................................. 58–89–9 1,2,3,4 U129 ........... 1 (0.454) 

Lithium chromate .................................................................................................................................... 14307–35–8 1 .................... 10 (4.54) 

Malathion ................................................................................................................................................ 121–75–5 1 .................... 100 (45.4) 

Maleic acid .............................................................................................................................................. 110–16–7 1 .................... 5000 (2270) 

Maleic anhydride .................................................................................................................................... 108–31–6 1,3,4 U147 ........... 5000 (2270) 

Maleic hydrazide ..................................................................................................................................... 123–33–1 4 U148 ........... 5000 (2270) 

Malononitrile ........................................................................................................................................... 109–77–3 4 U149 ........... 1000 (454) 

Manganese, bis (dimethylcarbamodithioato-S,S′)- ................................................................................. 15339–36–3 4 P196 ........... 10 (4.54) 

Manganese Compounds ........................................................................................................................ N.A. 3 .................... ** 

Manganese dimethyldithiocarbamate ..................................................................................................... 15339–36–3 4 P196 ........... 10 (4.54) 

MDI ......................................................................................................................................................... 101–68–8 3 .................... 5000 (2270) 

MEK ........................................................................................................................................................ 78–93–3 4 U159 ........... 5000 (2270) 

Melphalan ............................................................................................................................................... 148–82–3 4 U150 ........... 1 (0.454) 

Mercaptodimethur ................................................................................................................................... 2032–65–7 1,4 P199 ........... 10 (4.54) 

MERCURY AND COMPOUNDS ............................................................................................................ N.A. 2,3 .................... ** 

Mercury Compounds .............................................................................................................................. N.A. 2,3 .................... ** 

Mercuric cyanide .................................................................................................................................... 592–04–1 1 .................... 1(0.454) 

Mercuric nitrate ....................................................................................................................................... 10045–94–0 1 .................... 10 (4.54) 

Mercuric sulfate ...................................................................................................................................... 7783–35–9 1 .................... 10 (4.54) 

Mercuric thiocyanate .............................................................................................................................. 592–85–8 1 .................... 10 (4.54) 

Mercurous nitrate .................................................................................................................................... 10415–75–5 1 .................... 10 (4.54) 

Mercury ................................................................................................................................................... 7782–86–7 

7439–97–6 

2,3,4 U151 ........... 1 (0.454) 

Mercury, (acetato-O)phenyl- ................................................................................................................... 62–38–4 4 P092 ........... 100 (45.4) 

Mercury fulminate ................................................................................................................................... 628–86–4 4 P065 ........... 10 (4.54) 

Methacrylonitrile ...................................................................................................................................... 126–98–7 4 U152 ........... 1000 (454) 

Methanamine, N-methyl- ........................................................................................................................ 124–40–3 1,4 U092 ........... 1000 (454) 

Methanamine, N-methyl-N-nitroso- ........................................................................................................ 62–75–9 2,3,4 P082 ........... 10 (4.54) 

Methane, bromo- .................................................................................................................................... 74–83–9 2,3,4 U029 ........... 1000 (454) 

Methane, chloro- ..................................................................................................................................... 74–87–3 2,3,4 U045 ........... 100 (45.4) 

Methane, chloromethoxy- ....................................................................................................................... 107–30–2 3,4 U046 ........... 10 (4.54) 

Methane, dibromo- ................................................................................................................................. 74–95–3 4 U068 ........... 1000 (454) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20735 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Methane, dichloro- .................................................................................................................................. 75–09–2 2,3,4 U080 ........... 1000 (454) 

Methane, dichlorodifluoro- ...................................................................................................................... 75–71–8 4 U075 ........... 5000 (2270) 

Methane, iodo- ........................................................................................................................................ 74–88–4 3,4 U138 ........... 100 (45.4) 

Methane, isocyanato- ............................................................................................................................. 624–83–9 3,4 P064 ........... 10 (4.54) 

Methane, oxybis(chloro- ......................................................................................................................... 542–88–1 3,4 P016 ........... 10 (4.54) 

Methanesulfenyl chloride, trichloro- ........................................................................................................ 594–42–3 4 P118 ........... 100 (45.4) 

Methanesulfonic acid, ethyl ester ........................................................................................................... 62–50–0 4 U119 ........... 1 (0.454) 

Methane, tetrachloro- ............................................................................................................................. 56–23–5 1,2,3,4 U211 ........... 10 (4.54) 

Methane, tetranitro- ................................................................................................................................ 509–14–8 4 P112 ........... 10 (4.54) 

Methanethiol ........................................................................................................................................... 74–93–1 1,4 U153 ........... 100 (45.4) 

Methane, tribromo- ................................................................................................................................. 75–25–2 2,3,4 U225 ........... 100 (45.4) 

Methane, trichloro- .................................................................................................................................. 67–66–3 1,2,3,4 U044 ........... 10 (4.54) 

Methane, trichlorofluoro- ......................................................................................................................... 75–69–4 4 U121 ........... 5000 (2270) 

Methanimidamide, N,N-dimethyl-N′-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride ...... 23422–53–9 4 P198 ........... 100 (45.4) 

Methanimidamide, N,N-dimethyl-N′-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]- ...................... 17702–57–7 4 P197 ........... 100 (45.4) 

6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide ... 115–29–7 1,2,4 P050 ........... 1 (0.454) 

4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- ............................................. 76–44–8 1,2,3,4 P059 ........... 1 (0.454) 

4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro- ..................................... 57–74–9 1,2,3,4 U036 ........... 1 (0.454) 

Methanol ................................................................................................................................................. 67–56–1 3,4 U154 ........... 5000 (2270) 

Methapyrilene ......................................................................................................................................... 91–80–5 4 U155 ........... 5000 (2270) 

1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- ......... 143–50–0 1,4 U142 ........... 1 (0.454) 

Methiocarb .............................................................................................................................................. 2032–65–7 1,4 P199 ........... 10 (4.54) 

Methomyl ................................................................................................................................................ 16752–77–5 4 P066 ........... 100 (45.4) 

Methoxychlor .......................................................................................................................................... 72–43–5 1,3,4 U247 ........... 1 (0.454) 

Methyl alcohol ......................................................................................................................................... 67–56–1 3,4 U154 ........... 5000 (2270) 

2-Methyl aziridine ................................................................................................................................... 75–55–8 3,4 P067 ........... 1 (0.454) 

Methyl bromide ....................................................................................................................................... 74–83–9 2,3,4 U029 ........... 1000 (454) 

1-Methylbutadiene .................................................................................................................................. 504–60–9 4 U186 ........... 100 (45.4) 

Methyl chloride ....................................................................................................................................... 74–87–3 2,3,4 U045 ........... 100 (45.4) 

Methyl chlorocarbonate .......................................................................................................................... 79–22–1 4 U156 ........... 1000 (454) 

Methyl chloroform ................................................................................................................................... 71–55–6 2,3,4 U226 ........... 1000 (454) 

3-Methylcholanthrene ............................................................................................................................. 56–49–5 4 U157 ........... 10 (4.54) 

4,4′-Methylenebis(2-chloroaniline) .......................................................................................................... 101–14–4 3,4 U158 ........... 10 (4.54) 

Methylene bromide ................................................................................................................................. 74–95–3 4 U068 ........... 1000 (454) 

Methylene chloride ................................................................................................................................. 75–09–2 2,3,4 U080 ........... 1000 (454) 

4,4′-Methylenedianiline ........................................................................................................................... 101–77–9 3 .................... 10 (4.54) 

Methylene diphenyl diisocyanate ........................................................................................................... 101–68–8 3 .................... 5000 (2270) 

Methyl ethyl ketone ................................................................................................................................ 78–93–3 4 U159 ........... 5000 (2270) 

Methyl ethyl ketone peroxide ................................................................................................................. 1338–23–4 4 U160 ........... 10 (4.54) 

Methyl hydrazine .................................................................................................................................... 60–34–4 3,4 P068 ........... 10 (4.54) 

Methyl iodide .......................................................................................................................................... 74–88–4 3,4 U138 ........... 100 (45.4) 

Methyl isobutyl ketone ............................................................................................................................ 108–10–1 3,4 U161 ........... 5000 (2270) 

Methyl isocyanate ................................................................................................................................... 624–83–9 3,4 P064 ........... 10 (4.54) 

2-Methyllactonitrile .................................................................................................................................. 75–86–5 1,4 P069 ........... 10 (4.54) 

Methyl mercaptan ................................................................................................................................... 74–93–1 1,4 U153 ........... 100 (45.4) 

Methyl methacrylate ............................................................................................................................... 80–62–6 1,3,4 U162 ........... 1000 (454) 

Methyl parathion ..................................................................................................................................... 298–00–0 1,4 P071 ........... 100 (45.4) 

4-Methyl-2-pentanone ............................................................................................................................. 108–10–1 3,4 U161 ........... 5000 (2270) 

Methyl tert-butyl ether ............................................................................................................................. 1634–04–4 3 .................... 1000 (454) 

Methylthiouracil ....................................................................................................................................... 56–04–2 4 U164 ........... 10 (4.54) 

Metolcarb ................................................................................................................................................ 1129–41–5 4 P190 ........... 1000 (454) 

Mevinphos .............................................................................................................................................. 7786–34–7 1 .................... 10 (4.54) 

Mexacarbate ........................................................................................................................................... 315–18–4 1,4 P128 ........... 1000 (454) 

Mitomycin C ............................................................................................................................................ 50–07–7 4 U010 ........... 10 (4.54) 

MNNG ..................................................................................................................................................... 70–25–7 4 U163 ........... 10 (4.54) 

Monoethylamine ..................................................................................................................................... 75–04–7 1 .................... 100 (45.4) 

Monomethylamine .................................................................................................................................. 74–89–5 1 .................... 100 (45.4) 

Naled ...................................................................................................................................................... 300–76–5 1 .................... 10 (4.54) 

5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]- 

7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)-.

20830–81–3 4 U059 ........... 10 (4.54) 

1-Naphthalenamine ................................................................................................................................ 134–32–7 4 U167 ........... 100 (45.4) 

2-Naphthalenamine ................................................................................................................................ 91–59–8 4 U168 ........... 10 (4.54) 

Naphthalenamine, N,N′-bis(2-chloroethyl)- ............................................................................................ 494–03–1 4 U026 ........... 100 (45.4) 

Naphthalene ........................................................................................................................................... 91–20–3 1,2,3,4 U165 ........... 100 (45.4) 

Naphthalene, 2-chloro- ........................................................................................................................... 91–58–7 2,4 U047 ........... 5000 (2270) 

1,4-Naphthalenedione ............................................................................................................................ 130–15–4 4 U166 ........... 5000 (2270) 

2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl-(1,1′-biphenyl)-4,4′-diyl)-bis(azo)]bis(5-amino-4- 

hydroxy)-tetrasodium salt.

72–57–1 4 U236 ........... 10 (4.54) 

1-Naphthalenol, methylcarbamate .......................................................................................................... 63–25–2 1,3,4 U279 ........... 100 (45.4) 

Naphthenic acid ...................................................................................................................................... 1338–24–5 1 .................... 100 (45.4) 

1,4-Naphthoquinone ............................................................................................................................... 130–15–4 4 U166 ........... 5000 (2270) 

alpha-Naphthylamine .............................................................................................................................. 134–32–7 4 U167 ........... 100 (45.4) 

beta-Naphthylamine ................................................................................................................................ 91–59–8 4 U168 ........... 10 (4.54) 

alpha-Naphthylthiourea ........................................................................................................................... 86–88–4 4 P072 ........... 100 (45.4) 

NICKEL AND COMPOUNDS ................................................................................................................. N.A. 2,3 .................... ** 

Nickel III ................................................................................................................................................... 7440–02–0 2 .................... 100 (45.4) 

Nickel ammonium sulfate ....................................................................................................................... 15699–18–0 1 .................... 100 (45.4) 

Nickel carbonyl Ni(CO)4, (T–4)- ............................................................................................................. 13463–39–3 4 P073 ........... 10 (4.54) 

Nickel chloride ........................................................................................................................................ 7718–54–9 

37211–05–5 

1 .................... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
20736 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Nickel compounds .................................................................................................................................. N.A. 2,3 .................... ** 

Nickel cyanide Ni(CN)2 .......................................................................................................................... 557–19–7 4 P074 ........... 10 (4.54) 

Nickel hydroxide ..................................................................................................................................... 12054–48–7 1 .................... 10 (4.54) 

Nickel nitrate ........................................................................................................................................... 14216–75–2 1 .................... 100 (45.4) 

Nickel sulfate .......................................................................................................................................... 7786–81–4 1 .................... 100 (45.4) 

Nicotine, & salts ...................................................................................................................................... 54–11–5 4 P075 ........... 100 (45.4) 

Nitric acid ................................................................................................................................................ 7697–37–2 1 .................... 1000 (454) 

Nitric acid, thallium (1 +) salt .................................................................................................................. 10102–45–1 4 U217 ........... 100 (45.4) 

Nitric oxide .............................................................................................................................................. 10102–43–9 4 P076 ........... 10 (4.54) 

p-Nitroaniline ........................................................................................................................................... 100–01–6 4 P077 ........... 5000 (2270) 

Nitrobenzene .......................................................................................................................................... 98–95–3 1,2,3,4 U169 ........... 1000 (454) 

4-Nitrobiphenyl ........................................................................................................................................ 92–93–3 3 .................... 10 (4.54) 

Nitrogen dioxide ...................................................................................................................................... 10102–44–0 

10544–72–6 

1,4 P078 ........... 10 (4.54) 

Nitrogen oxide NO .................................................................................................................................. 10102–43–9 4 P076 ........... 10 (4.54) 

Nitrogen oxide NO2 ................................................................................................................................ 10102–44–0 

10544–72–6 

1,4 P078 ........... 10 (4.54) 

Nitroglycerine .......................................................................................................................................... 55–63–0 4 P081 ........... 10 (4.54) 

NITROPHENOLS ................................................................................................................................... 25154–55–6 2 .................... ** 

Nitrophenol (mixed) ................................................................................................................................ 25154–55–6 1 .................... 100 (45.4) 

m-Nitrophenol .................................................................................................................................. 554–84–7 1 .................... 100 (45.4) 

o-Nitrophenol ................................................................................................................................... 88–75–5 1,2 .................... 100 (45.4) 

p-Nitrophenol ................................................................................................................................... 100–02–7 1,2,3,4 U170 ........... 100 (45.4) 

2-Nitrophenol ................................................................................................................................... 88–75–5 1,2 .................... 100 (45.4) 

4-Nitrophenol ................................................................................................................................... 100–02–7 1,2,3,4 U170 ........... 100 (45.4) 

2-Nitropropane ........................................................................................................................................ 79–46–9 3,4 U171 ........... 10 (4.54) 

NITROSAMINES .................................................................................................................................... N.A. 2 .................... ** 

N-Nitrosodi-n-butylamine ........................................................................................................................ 924–16–3 4 U172 ........... 10 (4.54) 

N-Nitrosodiethanolamine ........................................................................................................................ 1116–54–7 4 U173 ........... 1 (0.454) 

N-Nitrosodiethylamine ............................................................................................................................ 55–18–5 4 U174 ........... 1 (0.454) 

N-Nitrosodimethylamine ......................................................................................................................... 62–75–9 2,3,4 P082 ........... 10 (4.54) 

N-Nitrosodiphenylamine ......................................................................................................................... 86–30–6 2 .................... 100 (45.4) 

N-Nitroso-N-ethylurea ............................................................................................................................. 759–73–9 4 U176 ........... 1 (0.454) 

N-Nitroso-N-methylurea .......................................................................................................................... 684–93–5 3,4 U177 ........... 1 (0.454) 

N-Nitroso-N-methylurethane ................................................................................................................... 615–53–2 4 U178 ........... 1 (0.454) 

N-Nitrosomethylvinylamine ..................................................................................................................... 4549–40–0 4 P084 ........... 10 (4.54) 

N-Nitrosomorpholine ............................................................................................................................... 59–89–2 3 .................... 1 (0.454) 

N-Nitrosopiperidine ................................................................................................................................. 100–75–4 4 U179 ........... 10 (4.54) 

N-Nitrosopyrrolidine ................................................................................................................................ 930–55–2 4 U180 ........... 1 (0.454) 

Nitrotoluene ............................................................................................................................................ 1321–12–6 1 .................... 1000 (454) 

m-Nitrotoluene ................................................................................................................................. 99–08–1 1 .................... 1000 (454) 

o-Nitrotoluene .................................................................................................................................. 88–72–2 1 .................... 1000 (454) 

p-Nitrotoluene .................................................................................................................................. 99–99–0 1 .................... 1000 (454) 

5-Nitro-o-toluidine ................................................................................................................................... 99–55–8 4 U181 ........... 100 (45.4) 

Octamethylpyrophosphoramide .............................................................................................................. 152–16–9 4 P085 ........... 100 (45.4) 

Osmium oxide OsO4, (T–4)- .................................................................................................................. 20816–12–0 4 P087 ........... 1000 (454) 

Osmium tetroxide ................................................................................................................................... 20816–12–0 4 P087 ........... 1000 (454) 

7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid .................................................................................... 145–73–3 4 P088 ........... 1000 (454) 

Oxamyl .................................................................................................................................................... 23135–22–0 4 P194 ........... 100 (45.4) 

1,2-Oxathiolane, 2,2-dioxide ................................................................................................................... 1120–71–4 3,4 U193 ........... 10 (4.54) 

2H–1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide ................................ 50–18–0 4 U058 ........... 10 (4.54) 

Oxirane ................................................................................................................................................... 75–21–8 3,4 U115 ........... 10 (4.54) 

Oxiranecarboxyaldehyde ........................................................................................................................ 765–34–4 4 U126 ........... 10 (4.54) 

Oxirane, (chloromethyl)- ......................................................................................................................... 106–89–8 1,3,4 U041 ........... 100 (45.4) 

Paraformaldehyde .................................................................................................................................. 30525–89–4 1 .................... 1000 (454) 

Paraldehyde ............................................................................................................................................ 123–63–7 4 U182 ........... 1000 (454) 

Parathion ................................................................................................................................................ 56–38–2 1,3,4 P089 ........... 10 (4.54) 

PCBs ....................................................................................................................................................... 1336–36–3 1,2,3 .................... 1 (0.454) 

PCNB ...................................................................................................................................................... 82–68–8 3,4 U185 ........... 100 (45.4) 

Pentachlorobenzene ............................................................................................................................... 608–93–5 4 U183 ........... 10 (4.54) 

Pentachloroethane .................................................................................................................................. 76–01–7 4 U184 ........... 10 (4.54) 

Pentachloronitrobenzene ........................................................................................................................ 82–68–8 3,4 U185 ........... 100 (45.4) 

Pentachlorophenol .................................................................................................................................. 87–86–5 1,2,3,4 See F027 ... 10 (4.54) 

1,3-Pentadiene ....................................................................................................................................... 504–60–9 4 U186 ........... 100 (45.4) 

Perchloroethylene ................................................................................................................................... 127–18–4 2,3,4 U210 ........... 100 (45.4) 

Phenacetin .............................................................................................................................................. 62–44–2 4 U187 ........... 100 (45.4) 

Phenanthrene ......................................................................................................................................... 85–01–8 2 .................... 5000 (2270) 

Phenol ..................................................................................................................................................... 108–95–2 1,2,3,4 U188 ........... 1000 (454) 

Phenol, 2-chloro- .................................................................................................................................... 95–57–8 2,4 U048 ........... 100 (45.4) 

Phenol, 4-chloro-3-methyl- ..................................................................................................................... 59–50–7 2,4 U039 ........... 5000 (2270) 

Phenol, 2-cyclohexyl-4,6-dinitro- ............................................................................................................ 131–89–5 4 P034 ........... 100 (45.4) 

Phenol, 2,4-dichloro- .............................................................................................................................. 120–83–2 2,4 U081 ........... 100 (45.4) 

Phenol, 2,6-dichloro- .............................................................................................................................. 87–65–0 4 U082 ........... 100 (45.4) 

Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E) .................................................................................... 56–53–1 4 U089 ........... 1 (0.454) 

Phenol, 2,4-dimethyl- .............................................................................................................................. 105–67–9 2,4 U101 ........... 100 (45.4) 

Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) ................................................... 315–18–4 1,4 P128 ........... 1000 (454) 

Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate ....................................................................... 2032–65–7 1,4 P199 ........... 10 (4.54) 

Phenol, 2,4-dinitro- ................................................................................................................................. 51–28–5 1,2,3,4 P048 ........... 10 (4.54) 

Phenol, methyl- ....................................................................................................................................... 1319–77–3 1,3,4 U052 ........... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20737 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Phenol, 2-methyl-4,6-dinitro- .................................................................................................................. 534–52–1 2,3,4 P047 ........... 10 (4.54) 

Phenol, 2-methyl-4,6-dinitro-, & salts ..................................................................................................... 534–52–1 3,4 P047 ........... 10 (4.54) 

Phenol, 2,2′-methylenebis[3,4,6- trichloro- ............................................................................................. 70–30–4 4 U132 ........... 100 (45.4) 

Phenol, 2-(1-methylethoxy)-, methylcarbamate ..................................................................................... 114–26–1 3,4 U411 ........... 100 (45.4) 

Phenol, 3-(1-methylethyl)-, methyl carbamate ....................................................................................... 64–00–6 4 P202 ........... 10 (4.54) 

Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate ........................................................................ 2631–37–0 4 P201 ........... 1000 (454) 

Phenol, 2-(1-methylpropyl)-4,6-dinitro- ................................................................................................... 88–85–7 4 P020 ........... 1000 (454) 

Phenol, 4-nitro- ....................................................................................................................................... 100–02–7 1,2,3,4 U170 ........... 100 (45.4) 

Phenol, pentachloro- .............................................................................................................................. 87–86–5 1,2,3,4 See F027 ... 10 (4.54) 

Phenol, 2,3,4,6-tetrachloro- .................................................................................................................... 58–90–2 4 See F027 ... 10 (4.54) 

Phenol, 2,4,5-trichloro- ........................................................................................................................... 95–95–4 1,3,4 See F027 ... 10 (4.54) 

Phenol, 2,4,6-trichloro- ........................................................................................................................... 88–06–2 1,2,3,4 See F027 ... 10 (4.54) 

Phenol, 2,4,6-trinitro-, ammonium salt ................................................................................................... 131–74–8 4 P009 ........... 10 (4.54) 

L-Phenylalanine, 4-[bis(2-chloroethyl)amino]- ........................................................................................ 148–82–3 4 U150 ........... 1 (0.454) 

p-Phenylenediamine ............................................................................................................................... 106–50–3 3 .................... 5000 (2270) 

Phenylmercury acetate ........................................................................................................................... 62–38–4 4 P092 ........... 100 (45.4) 

Phenylthiourea ........................................................................................................................................ 103–85–5 4 P093 ........... 100 (45.4) 

Phorate ................................................................................................................................................... 298–02–2 4 P094 ........... 10 (4.54) 

Phosgene ................................................................................................................................................ 75–44–5 1,3,4 P095 ........... 10 (4.54) 

Phosphine ............................................................................................................................................... 7803–51–2 3,4 P096 ........... 100 (45.4) 

Phosphoric acid ...................................................................................................................................... 7664–38–2 1 .................... 5000 (2270) 

Phosphoric acid, diethyl 4-nitrophenyl ester .......................................................................................... 311–45–5 4 P041 ........... 100 (45.4) 

Phosphoric acid, lead(2 +) salt (2:3) ...................................................................................................... 7446–27–7 4 U145 ........... 10 (4.54) 

Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester ............................................................ 298–04–4 1,4 P039 ........... 1 (0.454) 

Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester ............................................................. 298–02–2 4 P094 ........... 10 (4.54) 

Phosphorodithioic acid, O,O-diethyl S-methyl ester .............................................................................. 3288–58–2 4 U087 ........... 5000 (2270) 

Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester ......................................... 60–51–5 4 P044 ........... 10 (4.54) 

Phosphorofluoridic acid, bis(1-methylethyl) ester .................................................................................. 55–91–4 4 P043 ........... 100 (45.4) 

Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester .................................................................... 56–38–2 1,3,4 P089 ........... 10 (4.54) 

Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester ............................................................................. 297–97–2 4 P040 ........... 100 (45.4) 

Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester ................................ 52–85–7 4 P097 ........... 1000 (454) 

Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester ................................................................. 298–00–0 1,4 P071 ........... 100 (45.4) 

Phosphorus ............................................................................................................................................. 7723–14–0 1,3 .................... 1 (0.454) 

Phosphorus oxychloride ......................................................................................................................... 10025–87–3 1 .................... 1000 (454) 

Phosphorus pentasulfide ........................................................................................................................ 1314–80–3 1,4 U189 ........... 100 (45.4) 

Phosphorus sulfide ................................................................................................................................. 1314–80–3 1,4 U189 ........... 100 (45.4) 

Phosphorus trichloride ............................................................................................................................ 7719–12–2 1 .................... 1000 (454) 

Physostigmine ........................................................................................................................................ 57–47–6 4 P204 ........... 100 (45.4) 

Physostigmine salicylate ........................................................................................................................ 57–64–7 4 P188 ........... 100 (45.4) 

PHTHALATE ESTERS ........................................................................................................................... N.A. 2 .................... ** 

Phthalic anhydride .................................................................................................................................. 85–44–9 3,4 U190 ........... 5000 (2270) 

2-Picoline ................................................................................................................................................ 109–06–8 4 U191 ........... 5000 (2270) 

Piperidine, 1-nitroso- .............................................................................................................................. 100–75–4 4 U179 ........... 10 (4.54) 

Plumbane, tetraethyl- ............................................................................................................................. 78–00–2 1,4 P110 ........... 10 (4.54) 

POLYCHLORINATED BIPHENYLS ....................................................................................................... 1336–36–3 1,2,3 .................... 1 (0.454) 

Polycyclic Organic Matter e ..................................................................................................................... N.A. 3 .................... ** 

POLYNUCLEAR AROMATIC HYDROCARBONS ................................................................................. N.A. 2 .................... ** 

Potassium arsenate ................................................................................................................................ 7784–41–0 1 .................... 1 (0.454) 

Potassium arsenite ................................................................................................................................. 10124–50–2 1 .................... 1 (0.454) 

Potassium bichromate ............................................................................................................................ 7778–50–9 1 .................... 10 (4.54) 

Potassium chromate ............................................................................................................................... 7789–00–6 1 .................... 10 (4.54) 

Potassium cyanide K(CN) ...................................................................................................................... 151–50–8 1,4 P098 ........... 10 (4.54) 

Potassium hydroxide .............................................................................................................................. 1310–58–3 1 .................... 1000 (454) 

Potassium permanganate ....................................................................................................................... 7722–64–7 1 .................... 100 (45.4) 

Potassium silver cyanide ........................................................................................................................ 506–61–6 4 P099 ........... 1 (0.454) 

Promecarb .............................................................................................................................................. 2631–37–0 4 P201 ........... 1000 (454) 

Pronamide .............................................................................................................................................. 23950–58–5 4 U192 ........... 5000 (2270) 

Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime ......................................... 1646–88–4 4 P203 ........... 100 (45.4) 

Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime ................................................... 116–06–3 4 P070 ........... 1 (0.454) 

1-Propanamine ....................................................................................................................................... 107–10–8 4 U194 ........... 5000 (2270) 

1-Propanamine, N-propyl- ...................................................................................................................... 142–84–7 4 U110 ........... 5000 (2270) 

1-Propanamine, N-nitroso-N-propyl- ...................................................................................................... 621–64–7 2,4 U111 ........... 10 (4.54) 

Propane, 1,2-dibromo-3-chloro- ............................................................................................................. 96–12–8 3,4 U066 ........... 1 (0.454) 

Propane, 1,2-dichloro- ............................................................................................................................ 78–87–5 1,2,3,4 U083 ........... 1000 (454) 

Propanedinitrile ....................................................................................................................................... 109–77–3 4 U149 ........... 1000 (454) 

Propanenitrile .......................................................................................................................................... 107–12–0 4 P101 ........... 10 (4.54) 

Propanenitrile, 3-chloro- ......................................................................................................................... 542–76–7 4 P027 ........... 1000 (454) 

Propanenitrile, 2-hydroxy-2-methyl- ....................................................................................................... 75–86–5 1,4 P069 ........... 10 (4.54) 

Propane, 2-nitro- ..................................................................................................................................... 79–46–9 3,4 U171 ........... 10 (4.54) 

Propane, 2,2′-oxybis[2-chloro- ................................................................................................................ 108–60–1 2,4 U027 ........... 1000 (454) 

1,3-Propane sultone ............................................................................................................................... 1120–71–4 3,4 U193 ........... 10 (4.54) 

1,2,3-Propanetriol, trinitrate .................................................................................................................... 55–63–0 4 P081 ........... 10 (4.54) 

Propanoic acid, 2-(2,4,5-trichlorophenoxy)- ........................................................................................... 93–72–1 1,4 See F027 ... 100 (45.4) 

1-Propanol, 2,3-dibromo-, phosphate (3:1) ............................................................................................ 126–72–7 4 U235 ........... 10 (4.54) 

1-Propanol, 2-methyl- ............................................................................................................................. 78–83–1 4 U140 ........... 5000 (2270) 

2-Propanone ........................................................................................................................................... 67–64–1 4 U002 ........... 5000 (2270) 

2-Propanone, 1-bromo- .......................................................................................................................... 598–31–2 4 P017 ........... 1000 (454) 

Propargite ............................................................................................................................................... 2312–35–8 1 .................... 10 (4.54) 

Propargyl alcohol .................................................................................................................................... 107–19–7 4 P102 ........... 1000 (454) 


jspears on DSK121TN23PROD with RULES1
20738 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

2-Propenal .............................................................................................................................................. 107–02–8 1,2,3,4 P003 ........... 1 (0.454) 

2-Propenamide ....................................................................................................................................... 79–06–1 3,4 U007 ........... 5000 (2270) 

1-Propene, 1,3-dichloro- ......................................................................................................................... 542–75–6 1,2,3,4 U084 ........... 100 (45.4) 

1-Propene, 1,1,2,3,3,3-hexachloro- ........................................................................................................ 1888–71–7 4 U243 ........... 1000 (454) 

2-Propenenitrile ...................................................................................................................................... 107–13–1 1,2,3,4 U009 ........... 100 (45.4) 

2-Propenenitrile, 2-methyl- ..................................................................................................................... 126–98–7 4 U152 ........... 1000 (454) 

2-Propenoic acid ..................................................................................................................................... 79–10–7 3,4 U008 ........... 5000 (2270) 

2-Propenoic acid, ethyl ester .................................................................................................................. 140–88–5 3,4 U113 ........... 1000 (454) 

2-Propenoic acid, 2-methyl-, ethyl ester ................................................................................................ 97–63–2 4 U118 ........... 1000 (454) 

2-Propenoic acid, 2-methyl-, methyl ester ............................................................................................. 80–62–6 1,3,4 U162 ........... 1000 (454) 

2-Propen-1-ol .......................................................................................................................................... 107–18–6 1,4 P005 ........... 100 (45.4) 

Propham ................................................................................................................................................. 122–42–9 4 U373 ........... 1000 (454) 

beta-Propiolactone .................................................................................................................................. 57–57–8 3 .................... 10 (4.54) 

Propionaldehyde ..................................................................................................................................... 123–38–6 3 .................... 1000 (454) 

Propionic acid ......................................................................................................................................... 79–09–4 1 .................... 5000 (2270) 

Propionic anhydride ................................................................................................................................ 123–62–6 1 .................... 5000 (2270) 

Propoxur (Baygon) ................................................................................................................................. 114–26–1 3,4 U411 ........... 100 (45.4) 

n-Propylamine ......................................................................................................................................... 107–10–8 4 U194 ........... 5000 (2270) 

n-Propyl bromide (nPB) .......................................................................................................................... 106–94–5 3 .................... 1 (0.454) 

Propylene dichloride ............................................................................................................................... 78–87–5 1,2,3,4 U083 ........... 1000 (454) 

Propylene oxide ...................................................................................................................................... 75–56–9 1,3 .................... 100 (45.4) 

1,2-Propylenimine ................................................................................................................................... 75–55–8 3,4 P067 ........... 1 (0.454) 

2-Propyn-1-ol .......................................................................................................................................... 107–19–7 4 P102 ........... 1000 (454) 

Prosulfocarb ............................................................................................................................................ 52888–80–9 4 U387 ........... 5000 (2270) 

Pyrene .................................................................................................................................................... 129–00–0 2 .................... 5000 (2270) 

Pyrethrins ................................................................................................................................................ 121–29–9 

121–21–1 

8003–34–7 

1 .................... 1 (0.454) 

3,6-Pyridazinedione, 1,2-dihydro- ........................................................................................................... 123–33–1 4 U148 ........... 5000 (2270) 

4-Pyridinamine ........................................................................................................................................ 504–24–5 4 P008 ........... 1000 (454) 

Pyridine ................................................................................................................................................... 110–86–1 4 U196 ........... 1000 (454) 

Pyridine, 2-methyl- .................................................................................................................................. 109–06–8 4 U191 ........... 5000 (2270) 

Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts ................................................................................. 54–11–5 4 P075 ........... 100 (45.4) 

2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]- ................................................................... 66–75–1 4 U237 ........... 10 (4.54) 

4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- .............................................................................. 56–04–2 4 U164 ........... 10 (4.54) 

Pyrrolidine, 1-nitroso- ............................................................................................................................. 930–55–2 4 U180 ........... 1 (0.454) 

Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aScis)-.57–47–6 4 P204 ........... 100 (45.4) 

Quinoline ................................................................................................................................................. 91–22–5 1,3 .................... 5000 (2270) 

Quinone .................................................................................................................................................. 106–51–4 3,4 U197 ........... 10 (4.54) 

Quintobenzene ....................................................................................................................................... 82–68–8 3,4 U185 ........... 100 (45.4) 

Radionuclides (including radon) ............................................................................................................. N.A. 3 .................... §

Reserpine ............................................................................................................................................... 50–55–5 4 U200 ........... 5000 (2270) 

Resorcinol ............................................................................................................................................... 108–46–3 1,4 U201 ........... 5000 (2270) 

Safrole .................................................................................................................................................... 94–59–7 4 U203 ........... 100 (45.4) 

SELENIUM AND COMPOUNDS ............................................................................................................ N.A. 2,3 .................... ** 

Selenium Compounds ............................................................................................................................ N.A. 2,3 .................... ** 

Selenious acid ........................................................................................................................................ 7783–00–8 4 U204 ........... 10 (4.54) 

Selenious acid, dithallium (1 +) salt ....................................................................................................... 12039–52–0 4 P114 ........... 1000 (454) 

Selenium III .............................................................................................................................................. 7782–49–2 2 .................... 100 (45.4) 

Selenium dioxide .................................................................................................................................... 7746–08–4 1,4 U204 ........... 10 (4.54) 

Selenium oxide ....................................................................................................................................... 7746–08–4 1 .................... 10 (4.54) 

Selenium sulfide SeS2 ........................................................................................................................... 7488–56–4 4 U205 ........... 10 (4.54) 

Selenourea ............................................................................................................................................. 630–10–4 4 P103 ........... 1000 (454) 

L-Serine, diazoacetate (ester) ................................................................................................................ 115–02–6 4 U015 ........... 1 (0.454) 

SILVER AND COMPOUNDS ................................................................................................................. N.A. 2 .................... ** 

SilverIII .................................................................................................................................................... 7440–22–4 2 .................... 1000 (454) 

Silver cyanide Ag(CN) ............................................................................................................................ 506–64–9 4 P104 ........... 1 (0.454) 

Silver nitrate ............................................................................................................................................ 7761–88–8 1 .................... 1 (0.454) 

Silvex (2,4,5–TP) .................................................................................................................................... 93–72–1 1,4 See F027 ... 100 (45.4) 

Sodium .................................................................................................................................................... 7440–23–5 1 .................... 10 (4.54) 

Sodium arsenate .................................................................................................................................... 7631–89–2 1 .................... 1 (0.454) 

Sodium arsenite ...................................................................................................................................... 7784–46–5 1 .................... 1 (0.454) 

Sodium azide .......................................................................................................................................... 26628–22–8 4 P105 ........... 1000 (454) 

Sodium bichromate ................................................................................................................................. 10588–01–9 1 .................... 10 (4.54) 

Sodium bifluoride .................................................................................................................................... 1333–83–1 1 .................... 100 (45.4) 

Sodium bisulfite ...................................................................................................................................... 7631–90–5 1 .................... 5000 (2270) 

Sodium chromate ................................................................................................................................... 7775–11–3 1 .................... 10 (4.54) 

Sodium cyanide Na(CN) ......................................................................................................................... 143–33–9 1,4 P106 ........... 10 (4.54) 

Sodium dodecylbenzenesulfonate .......................................................................................................... 25155–30–0 1 .................... 1000 (454) 

Sodium fluoride ....................................................................................................................................... 7681–49–4 1 .................... 1000 (454) 

Sodium hydrosulfide ............................................................................................................................... 16721–80–5 1 .................... 5000 (2270) 

Sodium hydroxide ................................................................................................................................... 1310–73–2 1 .................... 1000 (454) 

Sodium hypochlorite ............................................................................................................................... 7681–52–9 

10022–70–5 

1 .................... 100 (45.4) 

Sodium methylate ................................................................................................................................... 124–41–4 1 .................... 1000 (454) 

Sodium nitrite .......................................................................................................................................... 7632–00–0 1 .................... 100 (45.4) 

Sodium phosphate, dibasic .................................................................................................................... 7558–79–4 

10039–32–4 

10140–65–5 

1 .................... 5000 (2270) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20739 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Sodium phosphate, tribasic .................................................................................................................... 7601–54–9 

10101–89–0 

10361–89–4 

1 .................... 5000 (2270) 

Sodium selenite ...................................................................................................................................... 7782–82–3 

10102–18–8 

1 .................... 100 (45.4) 

Streptozotocin ......................................................................................................................................... 18883–66–4 4 U206 ........... 1 (0.454) 

Strontium chromate ................................................................................................................................ 7789–06–2 1 .................... 10 (4.54) 

Strychnidin-10-one, & salts .................................................................................................................... 57–24–9 1,4 P108 ........... 10 (4.54) 

Strychnidin-10-one, 2,3-dimethoxy- ........................................................................................................ 357–57–3 4 P018 ........... 100 (45.4) 

Strychnine, & salts .................................................................................................................................. 57–24–9 1,4 P108 ........... 10 (4.54) 

Styrene ................................................................................................................................................... 100–42–5 1,3 .................... 1000 (454) 

Styrene oxide .......................................................................................................................................... 96–09–3 3 .................... 100 (45.4) 

Sulfuric acid ............................................................................................................................................ 7664–93–9 

8014–95–7 

1 .................... 1000 (454) 

Sulfuric acid, dimethyl ester ................................................................................................................... 77–78–1 3,4 U103 ........... 100 (45.4) 

Sulfuric acid, dithallium (1 +) salt ........................................................................................................... 7446–18–6 

10031–59–1 

1,4 P115 ........... 100 (45.4) 

Sulfur monochloride ................................................................................................................................ 12771–08–3 1 .................... 1000 (454) 

Sulfur phosphide ..................................................................................................................................... 1314–80–3 1,4 U189 ........... 100 (45.4) 

2,4,5–T .................................................................................................................................................... 93–76–5 1,4 See F027 ... 1000 (454) 

2,4,5–T acid ............................................................................................................................................ 93–76–5 1,4 See F027 ... 1000 (454) 

2,4,5–T amines ....................................................................................................................................... 2008–46–0 

1319–72–8 

3813–14–7 

6369–96–6 

6369–97–7 

1 .................... 5000 (2270) 

2,4,5–T esters ......................................................................................................................................... 93–79–8 

1928–47–8 

2545–59–7 

25168–15–4 

61792–07–2 

1 .................... 1000 (454) 

2,4,5–T salts ........................................................................................................................................... 13560–99–1 1 .................... 1000 (454) 

TCDD ...................................................................................................................................................... 1746–01–6 2,3 .................... 1 (0.454) 

TDE ......................................................................................................................................................... 72–54–8 1,2,4 U060 ........... 1 (0.454) 

1,2,4,5-Tetrachlorobenzene .................................................................................................................... 95–94–3 4 U207 ........... 5000 (2270) 

2,3,7,8-Tetrachlorodibenzo-p-dioxin ....................................................................................................... 1746–01–6 2,3 .................... 1 (0.454) 

1,1,1,2-Tetrachloroethane ...................................................................................................................... 630–20–6 4 U208 ........... 100 (45.4) 

1,1,2,2-Tetrachloroethane ...................................................................................................................... 79–34–5 2,3,4 U209 ........... 100 (45.4) 

Tetrachloroethylene ................................................................................................................................ 127–18–4 2,3,4 U210 ........... 100 (45.4) 

2,3,4,6-Tetrachlorophenol ....................................................................................................................... 58–90–2 4 See F027 ... 10 (4.54) 

Tetraethyl pyrophosphate ....................................................................................................................... 107–49–3 1,4 P111 ........... 10 (4.54) 

Tetraethyl lead ........................................................................................................................................ 78–00–2 1,4 P110 ........... 10 (4.54) 

Tetraethyldithiopyrophosphate ............................................................................................................... 3689–24–5 4 P109 ........... 100 (45.4) 

Tetrahydrofuran ...................................................................................................................................... 109–99–9 4 U213 ........... 1000 (454) 

Tetranitromethane .................................................................................................................................. 509–14–8 4 P112 ........... 10 (4.54) 

Tetraphosphoric acid, hexaethyl ester ................................................................................................... 757–58–4 4 P062 ........... 100 (45.4) 

THALLIUM AND COMPOUNDS ............................................................................................................ N.A. 2 .................... ** 

Thallic oxide ............................................................................................................................................ 1314–32–5 4 P113 ........... 100 (45.4) 

Thallium III ............................................................................................................................................... 7440–28–0 2 .................... 1000 (454) 

Thallium (I) acetate ................................................................................................................................. 563–68–8 4 U214 ........... 100 (45.4) 

Thallium (I) carbonate ............................................................................................................................ 6533–73–9 4 U215 ........... 100 (45.4) 

Thallium chloride TlCl ............................................................................................................................. 7791–12–0 4 U216 ........... 100 (45.4) 

Thallium (I) nitrate .................................................................................................................................. 10102–45–1 4 U217 ........... 100 (45.4) 

Thallium oxide Tl2O3 ............................................................................................................................. 1314–32–5 4 P113 ........... 100 (45.4) 

Thallium (l) selenite ................................................................................................................................ 12039–52–0 4 P114 ........... 1000 (454) 

Thallium (I) sulfate .................................................................................................................................. 7446–18–6 

10031–59–1 

1,4 P115 ........... 100 (45.4) 

Thioacetamide ........................................................................................................................................ 62–55–5 4 U218 ........... 10 (4.54) 

Thiodicarb ............................................................................................................................................... 59669–26–0 4 U410 ........... 100 (45.4) 

Thiodiphosphoric acid, tetraethyl ester .................................................................................................. 3689–24–5 4 P109 ........... 100 (45.4) 

Thiofanox ................................................................................................................................................ 39196–18–4 4 P045 ........... 100 (45.4) 

Thioimidodicarbonic diamide [(H2N)C(S)] 2NH ..................................................................................... 541–53–7 4 P049 ........... 100 (45.4) 

Thiomethanol .......................................................................................................................................... 74–93–1 1,4 U153 ........... 100 (45.4) 

Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl- ............................................................... 137–26–8 4 U244 ........... 10 (4.54) 

Thiophanate-methyl ................................................................................................................................ 23564–05–8 4 U409 ........... 10 (4.54) 

Thiophenol .............................................................................................................................................. 108–98–5 4 P014 ........... 100 (45.4) 

Thiosemicarbazide .................................................................................................................................. 79–19–6 4 P116 ........... 100 (45.4) 

Thiourea .................................................................................................................................................. 62–56–6 4 U219 ........... 10 (4.54) 

Thiourea, (2-chlorophenyl)- .................................................................................................................... 5344–82–1 4 P026 ........... 100 (45.4) 

Thiourea, 1-naphthalenyl- ....................................................................................................................... 86–88–4 4 P072 ........... 100 (45.4) 

Thiourea, phenyl- .................................................................................................................................... 103–85–5 4 P093 ........... 100 (45.4) 

Thiram ..................................................................................................................................................... 137–26–8 4 U244 ........... 10 (4.54) 

Tirpate ..................................................................................................................................................... 26419–73–8 4 P185 ........... 100 (45.4) 

Titanium tetrachloride ............................................................................................................................. 7550–45–0 3 .................... 1000 (454) 

Toluene ................................................................................................................................................... 108–88–3 1,2,3,4 U220 ........... 1000 (454) 

Toluenediamine ...................................................................................................................................... 95–80–7 

496–72–0 

823–40–5 

25376–45–8 

3,4 U221 ........... 10 (4.54) 


jspears on DSK121TN23PROD with RULES1
20740 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

2,4-Toluene diamine ............................................................................................................................... 95–80–7 

496–72–0 

823–40–5 

25376–45–8 

3,4 U221 ........... 10 (4.54) 

Toluene diisocyanate .............................................................................................................................. 91–08–7 

584–84–9 

26471–62–5 

3,4 U223 ........... 100 (45.4) 

2,4-Toluene diisocyanate ....................................................................................................................... 91–08–7 

584–84–9 

26471–62–5 

3,4 U223 ........... 100 (45.4) 

o-Toluidine .............................................................................................................................................. 95–53–4 3,4 U328 ........... 100 (45.4) 

p-Toluidine .............................................................................................................................................. 106–49–0 4 U353 ........... 100 (45.4) 

o-Toluidine hydrochloride ....................................................................................................................... 636–21–5 4 U222 ........... 100 (45.4) 

Toxaphene .............................................................................................................................................. 8001–35–2 1,2,3,4 P123 ........... 1 (0.454) 

2,4,5–TP acid ......................................................................................................................................... 93–72–1 1,4 See F027 ... 100 (45.4) 

2,4,5–TP esters ...................................................................................................................................... 32534–95–5 1 .................... 100 (45.4) 

Triallate ................................................................................................................................................... 2303–17–5 4 U389 ........... 100 (45.4) 

1H–1,2,4-Triazol-3-amine ....................................................................................................................... 61–82–5 4 U011 ........... 10 (4.54) 

Trichlorfon ............................................................................................................................................... 52–68–6 1 .................... 100 (45.4) 

1,2,4-Trichlorobenzene ........................................................................................................................... 120–82–1 2,3 .................... 100 (45.4) 

1,1,1-Trichloroethane .............................................................................................................................. 71–55–6 2,3,4 U226 ........... 1000 (454) 

1,1,2-Trichloroethane .............................................................................................................................. 79–00–5 2,3,4 U227 ........... 100 (45.4) 

Trichloroethylene .................................................................................................................................... 79–01–6 1,2,3,4 U228 ........... 100 (45.4) 

Trichloromethanesulfenyl chloride .......................................................................................................... 594–42–3 4 P118 ........... 100 (45.4) 

Trichloromonofluoromethane .................................................................................................................. 75–69–4 4 U121 ........... 5000 (2270) 

Trichlorophenol ....................................................................................................................................... 25167–82–2 1,2 .................... 10 (4.54) 

2,3,4-Trichlorophenol ....................................................................................................................... 15950–66–0 1,2 .................... 10 (4.54) 

2,3,5-Trichlorophenol ....................................................................................................................... 933–78–8 1,2 .................... 10 (4.54) 

2,3,6-Trichlorophenol ....................................................................................................................... 933–75–5 1,2 .................... 10 (4.54) 

2,4,5-Trichlorophenol ....................................................................................................................... 95–95–4 1,2,3,4 See F027 ... 10 (4.54) 

2,4,6-Trichlorophenol ....................................................................................................................... 88–06–2 1,2,3,4 See F027 ... 10 (4.54) 

3,4,5-Trichlorophenol ....................................................................................................................... 609–19–8 1,2 .................... 10 (4.54) 

Triethanolamine dodecylbenzenesulfonate ............................................................................................ 27323–41–7 1 .................... 1000 (454) 

Triethylamine .......................................................................................................................................... 121–44–8 1,3,4 U404 ........... 5000 (2270) 

Trifluralin ................................................................................................................................................. 1582–09–8 3 .................... 10 (4.54) 

Trimethylamine ....................................................................................................................................... 75–50–3 1 .................... 100 (45.4) 

2,2,4-Trimethylpentane ........................................................................................................................... 540–84–1 3 .................... 1000 (454) 

1,3,5-Trinitrobenzene .............................................................................................................................. 99–35–4 4 U234 ........... 10 (4.54) 

1,3,5-Trioxane, 2,4,6-trimethyl- .............................................................................................................. 123–63–7 4 U182 ........... 1000 (454) 

Tris(2,3-dibromopropyl) phosphate ........................................................................................................ 126–72–7 4 U235 ........... 10 (4.54) 

Trypan blue ............................................................................................................................................. 72–57–1 4 U236 ........... 10 (4.54) 

Unlisted Hazardous Wastes Characteristic of Corrosivity ..................................................................... N.A. 4 D002 ........... 100 (45.4) 

Unlisted Hazardous Wastes Characteristic of Ignitability ...................................................................... N.A. 4 D001 ........... 100 (45.4) 

Unlisted Hazardous Wastes Characteristic of Reactivity ....................................................................... N.A. 4 D003 ........... 100 (45.4) 

Unlisted Hazardous Wastes Characteristic of Toxicity .......................................................................... ........................ .................... .................... ..........................

Arsenic (D004) ................................................................................................................................ N.A. 4 D004 ........... 1 (0.454) 

Barium (D005) ................................................................................................................................. N.A. 4 D005 ........... 1000 (454) 

Benzene (D018) .............................................................................................................................. N.A. 1,2,3,4 D018 ........... 10 (4.54) 

Cadmium (D006) ............................................................................................................................. N.A. 4 D006 ........... 10 (4.54) 

Carbon tetrachloride (D019) ............................................................................................................ N.A. 1,2,4 D019 ........... 10 (4.54) 

Chlordane (D020) ............................................................................................................................ N.A. 1,2,4 D020 ........... 1 (0.454) 

Chlorobenzene (D021) .................................................................................................................... N.A. 1,2,4 D021 ........... 100 (45.4) 

Chloroform (D022) ........................................................................................................................... N.A. 1,2,4 D022 ........... 10 (4.54) 

Chromium (D007) ............................................................................................................................ N.A. 4 D007 ........... 10 (4.54) 

o-Cresol (D023) ............................................................................................................................... N.A. 4 D023 ........... 100 (45.4) 

m-Cresol (D024) .............................................................................................................................. N.A. 4 D024 ........... 100 (45.4) 

p-Cresol (D025) ............................................................................................................................... N.A. 4 D025 ........... 100 (45.4) 

Cresol (D026) .................................................................................................................................. N.A. 4 D026 ........... 100 (45.4) 

2,4-D (D016) .................................................................................................................................... N.A. 1,4 D016 ........... 100 (45.4) 

1,4-Dichlorobenzene (D027) ........................................................................................................... N.A. 1,2,4 D027 ........... 100 (45.4) 

1,2-Dichloroethane (D028) .............................................................................................................. N.A. 1,2,4 D028 ........... 100 (45.4) 

1,1-Dichloroethylene (D029) ........................................................................................................... N.A. 1,2,4 D029 ........... 100 (45.4) 

2,4-Dinitrotoluene (D030) ................................................................................................................ N.A. 1,2,4 D030 ........... 10 (4.54) 

Endrin (D012) .................................................................................................................................. N.A. 1,4 D012 ........... 1 (0.454) 

Heptachlor (and epoxide) (D031) .................................................................................................... N.A. 1,2,4 D031 ........... 1 (0.454) 

Hexachlorobenzene (D032) ............................................................................................................ N.A. 2,4 D032 ........... 10 (4.54) 

Hexachlorobutadiene (D033) .......................................................................................................... N.A. 2,4 D033 ........... 1 (0.454) 

Hexachloroethane (D034) ............................................................................................................... N.A. 2,4 D034 ........... 100 (45.4) 

Lead (D008) .................................................................................................................................... N.A. 4 D008 ........... 10 (4.54) 

Lindane (D013) ................................................................................................................................ N.A. 1,4 D013 ........... 1 (0.454) 

Mercury (D009) ............................................................................................................................... N.A. 4 D009 ........... 1 (0.454) 

Methoxychlor (D014) ....................................................................................................................... N.A. 1,4 D014 ........... 1 (0.454) 

Methyl ethyl ketone (D035) ............................................................................................................. N.A. 4 D035 ........... 5000 (2270) 

Nitrobenzene (D036) ....................................................................................................................... N.A. 1,2,4 D036 ........... 1000 (454) 

Pentachlorophenol (D037) .............................................................................................................. N.A. 1,2,4 D037 ........... 10 (4.54) 

Pyridine (D038) ............................................................................................................................... N.A. 4 D038 ........... 1000 (454) 

Selenium (D010) ............................................................................................................................. N.A. 4 D010 ........... 10 (4.54) 

Silver (D011) ................................................................................................................................... N.A. 4 D011 ........... 1 (0.454) 

Tetrachloroethylene (D039) ............................................................................................................. N.A. 2,4 D039 ........... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20741 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

Toxaphene (D015) .......................................................................................................................... N.A. 1,4 D015 ........... 1 (0.454) 

Trichloroethylene (D040) ................................................................................................................. N.A. 1,2,4 D040 ........... 100 (45.4) 

2,4,5-Trichlorophenol (D041) .......................................................................................................... N.A. 1,4 D041 ........... 10 (4.54) 

2,4,6-Trichlorophenol (D042) .......................................................................................................... N.A. 1,2,4 D042 ........... 10 (4.54) 

2,4,5-TP (D017) ............................................................................................................................... N.A. 1,4 D017 ........... 100 (45.4) 

Vinyl chloride (D043) ....................................................................................................................... N.A. 2,3,4 D043 ........... 1 (0.454) 

Uracil mustard ........................................................................................................................................ 66–75–1 4 U237 ........... 10 (4.54) 

Uranyl acetate ........................................................................................................................................ 541–09–3 1 .................... 100 (45.4) 

Uranyl nitrate .......................................................................................................................................... 10102–06–4 

36478–76–9 

1 .................... 100 (45.4) 

Urea, N-ethyl-N-nitroso- ......................................................................................................................... 759–73–9 4 U176 ........... 1 (0.454) 

Urea, N-methyl-N-nitroso- ...................................................................................................................... 684–93–5 3,4 U177 ........... 1 (0.454) 

Urethane ................................................................................................................................................. 51–79–6 3,4 U238 ........... 100 (45.4) 

Vanadic acid, ammonium salt ................................................................................................................ 7803–55–6 4 P119 ........... 1000 (454) 

Vanadium oxide V2O5 ........................................................................................................................... 1314–62–1 1,4 P120 ........... 1000 (454) 

Vanadium pentoxide ............................................................................................................................... 1314–62–1 1,4 P120 ........... 1000 (454) 

Vanadyl sulfate ....................................................................................................................................... 27774–13–6 1 .................... 1000 (454) 

Vinyl acetate ........................................................................................................................................... 108–05–4 1,3 .................... 5000 (2270) 

Vinyl acetate monomer ........................................................................................................................... 108–05–4 1,3 .................... 5000 (2270) 

Vinylamine, N-methyl-N-nitroso- ............................................................................................................. 4549–40–0 4 P084 ........... 10 (4.54) 

Vinyl bromide .......................................................................................................................................... 593–60–2 3 .................... 100 (45.4) 

Vinyl chloride .......................................................................................................................................... 75–01–4 2,3,4 U043 ........... 1 (0.454) 

Vinylidene chloride ................................................................................................................................. 75–35–4 1,2,3,4 U078 ........... 100 (45.4) 

Warfarin, & salts ..................................................................................................................................... 81–81–2 4 P001, U248 100 (45.4) 

Xylene (mixed) ........................................................................................................................................ 1330–20–7 1,3,4 U239 ........... 100 (45.4) 

Xylenes (isomers and mixture) ............................................................................................................... 1330–20–7 1,3,4 U239 ........... 100 (45.4) 

Xylene ..................................................................................................................................................... 1330–20–7 1,3,4 U239 ........... 100 (45.4) 

m-Xylene ......................................................................................................................................... 108–38–3 3 .................... 1000 (454) 

o-Xylene .......................................................................................................................................... 95–47–6 3 .................... 1000 (454) 

p-Xylene .......................................................................................................................................... 106–42–3 3 .................... 100 (45.4) 

Xylenol .................................................................................................................................................... 1300–71–6 1 .................... 1000 (454) 

Yohimban-16-carboxylic acid,11,17-dimethoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]-, methyl ester 

(3beta,16beta,17alpha, 18beta,20alpha).

50–55–54 4 U200 ........... 5000 (2270) 

ZINC AND COMPOUNDS ...................................................................................................................... N.A. 2 .................... ** 

Zinc III ...................................................................................................................................................... 7440–66–6 2 .................... 1000 (454) 

Zinc acetate ............................................................................................................................................ 557–34–6 1 .................... 1000 (454) 

Zinc ammonium chloride ........................................................................................................................ 52628–25–8 

14639–97–5 

14639–98–6 

1 .................... 1000 (454) 

Zinc, bis(dimethylcarbamodithioato-S,S′)- .............................................................................................. 137–30–4 4 P205 ........... 10 (4.54) 

Zinc borate .............................................................................................................................................. 1332–07–6 1 .................... 1000 (454) 

Zinc bromide ........................................................................................................................................... 7699–45–8 1 .................... 1000 (454) 

Zinc carbonate ........................................................................................................................................ 3486–35–9 1 .................... 1000 (454) 

Zinc chloride ........................................................................................................................................... 7646–85–7 1 .................... 1000 (454) 

Zinc cyanide Zn(CN)2 ............................................................................................................................ 557–21–1 1,4 P121 ........... 10 (4.54) 

Zinc fluoride ............................................................................................................................................ 7783–49–5 1 .................... 1000 (454) 

Zinc formate ............................................................................................................................................ 557–41–5 1 .................... 1000 (454) 

Zinc hydrosulfite ..................................................................................................................................... 7779–86–4 1 .................... 1000 (454) 

Zinc nitrate .............................................................................................................................................. 7779–88–6 1 .................... 1000 (454) 

Zinc phenolsulfonate .............................................................................................................................. 127–82–2 1 .................... 5000 (2270) 

Zinc phosphide Zn3P2 ........................................................................................................................... 1314–84–7 1,4 P122, U249 100 (45.4) 

Zinc silicofluoride .................................................................................................................................... 16871–71–9 1 .................... 5000 (2270) 

Zinc sulfate ............................................................................................................................................. 7733–02–0 1 .................... 1000 (454) 

Ziram ....................................................................................................................................................... 137–30–4 4 P205 ........... 10 (4.54) 

Zirconium nitrate ..................................................................................................................................... 13746–89–9 1 .................... 5000 (2270) 

Zirconium potassium fluoride ................................................................................................................. 16923–95–8 1 .................... 1000 (454) 

Zirconium sulfate .................................................................................................................................... 14644–61–2 1 .................... 5000 (2270) 

Zirconium tetrachloride ........................................................................................................................... 10026–11–6 1 .................... 5000 (2270) 

F001—The following spent halogenated solvents used in degreasing; all spent solvent mixtures/ 

blends used in degreasing containing, before use, a total of ten percent or more (by volume) of 

one or more of the halogenated solvents listed below or those solvents listed in F002, F004, and 

F005; and still bottoms from the recovery of these spent solvents and spent solvent mixtures.

........................ 4 F001 ........... 10 (4.54) 

(a) Tetrachloroethylene ................................................................................................................... 127–18–4 2,3,4 U210 ........... 100 (45.4) 

(b) Trichloroethylene ....................................................................................................................... 79–01–6 1,2,3,4 U228 ........... 100 (45.4) 

(c) Methylene chloride ..................................................................................................................... 75–09–2 2,3,4 U080 ........... 1000 (454) 

(d) 1,1,1-Trichloroethane ................................................................................................................. 71–55–6 2,3,4 U226 ........... 1000 (454) 

(e) Carbon tetrachloride .................................................................................................................. 56–23–5 1,2,3,4 U211 ........... 10 (4.54) 

(f) Chlorinated fluorocarbons ........................................................................................................... N.A. .................... .................... 5000 (2270) 

F002—The following spent halogenated solvents; all spent solvent mixtures/blends containing, before use, a total of ten percent or more (by volume) of one or more of the halogenated solvents 

listed below or those solvents listed in F001, F004, or F005; and still bottoms from the recovery 

of these spent solvents and spent solvent mixtures.

........................ 4 F002 ........... 10 (4.54) 

(a) Tetrachloroethylene ................................................................................................................... 127–18–4 2,3,4 U210 ........... 100 (45.4) 

(b) Methylene chloride ..................................................................................................................... 75–09–2 2,3,4 U080 ........... 1000 (454) 

(c) Trichloroethylene ........................................................................................................................ 79–01–6 1,2,3,4 U228 ........... 100 (45.4) 

(d) 1,1,1-Trichloroethane ................................................................................................................. 71–55–6 2,3,4 U226 ........... 1000 (454) 

(e) Chlorobenzene ........................................................................................................................... 108–90–7 1,2,3,4 U037 ........... 100 (45.4) 

(f) 1,1,2-Trichloro-1,2,2-trifluoroethane ........................................................................................... 76–13–1 .................... .................... 5000 (2270) 

(g) o-Dichlorobenzene ..................................................................................................................... 95–50–1 1,2,4 U070 ........... 100 (45.4) 


jspears on DSK121TN23PROD with RULES1
20742 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

(h) Trichlorofluoromethane .............................................................................................................. 75–69–4 4 U121 ........... 5000 (2270) 

(i) 1,1,2-Trichloroethane .................................................................................................................. 79–00–5 2,3,4 U227 ........... 100 (45.4) 

F003—The following spent non-halogenated solvents and the still bottoms from the recovery of 

these solvents.

........................ 4 F003 ........... 100 (45.4) 

(a) Xylene ........................................................................................................................................ 1330–20–7 .................... .................... 1000 (454) 

(b) Acetone ...................................................................................................................................... 67–64–1 .................... .................... 5000 (2270) 

(c) Ethyl acetate .............................................................................................................................. 141–78–6 .................... .................... 5000 (2270) 

(d) Ethylbenzene ............................................................................................................................. 100–41–4 .................... .................... 1000 (454) 

(e) Ethyl ether .................................................................................................................................. 60–29–7 .................... .................... 100 (45.4) 

(f) Methyl isobutyl ketone ................................................................................................................ 108–10–1 .................... .................... 5000 (2270) 

(g) n-Butyl alcohol ........................................................................................................................... 71–36–3 .................... .................... 5000 (2270) 

(h) Cyclohexanone .......................................................................................................................... 108–94–1 .................... .................... 5000 (2270) 

(i) Methanol ..................................................................................................................................... 67–56–1 .................... .................... 5000 (2270) 

F004—The following spent non-halogenated solvents and the still bottoms from the recovery of 

these solvents.

........................ 4 F004 ........... 100 (45.4) 

(a) Cresols/Cresylic acid ................................................................................................................. 1319–77–3 1,3,4 U052 ........... 100 (45.4) 

(b) Nitrobenzene .............................................................................................................................. 98–95–3 1,2,3,4 U169 ........... 1000 (454) 

F005—The following spent non-halogenated solvents and the still bottoms from the recovery of 

these solvents.

........................ 4 F005 ........... 100 (45.4) 

(a) Toluene ...................................................................................................................................... 108–88–3 1,2,3,4 U220 ........... 1000 (454) 

(b) Methyl ethyl ketone .................................................................................................................... 78–93–3 4 U159 ........... 5000 (2270) 

(c) Carbon disulfide ......................................................................................................................... 75–15–0 1,3,4 P022 ........... 100 (45.4) 

(d) Isobutanol .................................................................................................................................. 78–83–1 4 U140 ........... 5000 (2270) 

(e) Pyridine ...................................................................................................................................... 110–86–1 4 U196 ........... 1000 (454) 

F006—Wastewater treatment sludges from electroplating operations except from the following processes: (1) Sulfuric acid anodizing of aluminum, (2) tin plating on carbon steel, (3) zinc plating 

(segregated basis) on carbon steel, (4) aluminum or zinc-aluminum plating on carbon steel, (5) 

cleaning/stripping associated with tin, zinc and aluminum plating on carbon steel, and (6) chemical etching and milling of aluminum.

........................ 4 F006 ........... 10 (4.54) 

F007—Spent cyanide plating bath solutions from electroplating operations. ........................................ ........................ 4 F007 ........... 10 (4.54) 

F008—Plating bath residues from the bottom of plating baths from electroplating operations where 

cyanides are used in the process.

........................ 4 F008 ........... 10 (4.54) 

F009—Spent stripping and cleaning bath solutions from electroplating operations where cyanides 

are used in the process.

........................ 4 F009 ........... 10 (4.54) 

F010—Quenching bath residues from oil baths from metal heat treating operations where cyanides 

are used in the process.

........................ 4 F010 ........... 10 (4.54) 

F011—Spent cyanide solutions from salt bath pot cleaning from metal heat treating operations ........ ........................ 4 F011 ........... 10 (4.54) 

F012—Quenching wastewater treatment sludges from metal heat treating operations where 

cyanides are used in the process.

........................ 4 F012 ........... 10 (4.54) 

F019—Wastewater treatment sludges from the chemical conversion coating of aluminum except 

from zirconium phosphating in aluminum can washing when such phosphating is an exclusive 

conversion coating process . . . Wastewater treatment sludges from the manufacturing of motor 

vehicles using a zinc phosphating process will not be subject to this listing at the point of generation if the wastes are not placed outside on the land prior to shipment to a landfill for disposal and 

are either: Disposed in a Subtitle D municipal or industrial landfill unit that is equipped with a single clay liner and is permitted, licensed or otherwise authorized by the state; or disposed in a 

landfill unit subject to, or otherwise meeting, the landfill requirements in § 258.40, § 264.301 or 

§ 265.301. For the purposes of this listing, motor vehicle manufacturing is defined in 

§ 261.31(b)(4)(i) and § 261.31(b)(4)(ii) describes the recordkeeping requirements for motor vehicle 

manufacturing facilities.

........................ 4 F019 ........... 10 (4.54) 

F020—Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the 

production or manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of tri- or tetrachlorophenol or of intermediates used to produce their pesticide derivatives. (This listing does not include wastes from the production of hexachlorophene from highly purified 2,4,5-trichlorophenol).

........................ 4 F020 ........... 1 (0.454) 

F021—Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the 

production or manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of pentachlorophenol or of intermediates used to produce its derivatives.

........................ 4 F021 ........... 1 (0.454) 

F022—Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the 

manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) 

of tetra-, penta-, or hexachlorobenzenes under alkaline conditions.

........................ 4 F022 ........... 1 (0.454) 

F023—Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the 

production of materials on equipment previously used for the production or manufacturing use (as 

a reactant, chemical intermediate, or a component in a formulating process) of tri- and 

tetrachlorophenols. (This listing does not include wastes from equipment used only for the production or use of hexachlorophene from highly purified 2,4,5-trichlorophenol).

........................ 4 F023 ........... 1 (0.454) 

F024—Process wastes, including but not limited to, distillation residues, heavy ends, tars, and reactor clean-out wastes, from the production of certain chlorinated aliphatic hydrocarbons by free 

radical catalyzed processes. These chlorinated aliphatic hydrocarbons are those having carbon 

chain lengths ranging from one to and including five, with varying amounts and positions of chlorine substitution. (This listing does not include wastewaters, wastewater treatment sludges, spent 

catalysts, and wastes listed in 40 CFR 261.31 or 261.32).

........................ 4 F024 ........... 1 (0.454) 

F025—Condensed light ends, spent filters and filter aids, and spent desiccant wastes from the production of certain chlorinated aliphatic hydrocarbons, by free radical catalyzed processes. These 

chlorinated aliphatic hydrocarbons are those having carbon chain lengths ranging from one to 

and including five, with varying amounts and positions of chlorine substitution.

........................ 4 F025 ........... 1 (0.454) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20743 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

F026—Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the 

production of materials on equipment previously used for the manufacturing use (as a reactant, 

chemical intermediate, or component in a formulating process) of tetra-, penta-, or 

hexachlorobenzene under alkaline conditions.

........................ 4 F026 ........... 1 (0.454) 

F027—Discarded unused formulations containing tri-, tetra-, or pentachlorophenol or discarded unused formulations containing compounds derived from these chlorophenols. (This listing does not 

include formulations containing hexachlorophene synthesized from prepurified 2,4,5- 

trichlorophenol as the sole component).

........................ 4 F027 ........... 1 (0.454) 

F028—Residues resulting from the incineration or thermal treatment of soil contaminated with EPA 

Hazardous Waste Nos. F020, F021, F022, F023, F026, and F027.

........................ 4 F028 ........... 1 (0.454) 

F032—Wastewaters (except those that have not come into contact with process contaminants), 

process residuals, preservative drippage, and spent formulations from wood preserving processes 

generated at plants that currently use or have previously used chlorophenolic formulations (except potentially cross-contaminated wastes that have had the F032 waste code deleted in accordance with § 261.35 of this chapter or potentially cross-contaminated wastes that are otherwise 

currently regulated as hazardous wastes (i.e., F034 or F035), and where the generator does not 

resume or initiate use of chlorophenolic formulations). This listing does not include K001 bottom 

sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenol.

........................ 4 F032 ........... 1 (0.454) 

F034—Wastewaters (except those that have not come into contact with process contaminants), 

process residuals, preservative drippage, and spent formulations from wood preserving processes 

generated at plants that use creosote formulations. This listing does not include K001 bottom 

sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenol.

........................ 4 F034 ........... 1 (0.454) 

F035—Wastewaters (except those that have not come into contact with process contaminants), 

process residuals, preservative drippage, and spent formulations from wood preserving processes 

generated at plants that use inorganic preservatives containing arsenic or chromium. This listing 

does not include K001 bottom sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenol.

........................ 4 F035 ........... 1 (0.454) 

F037—Petroleum refinery primary oil/water/solids separation sludge-Any sludge generated from the 

gravitational separation of oil/water/solids during the storage or treatment of process wastewaters 

and oily cooling wastewaters from petroleum refineries. Such sludges include, but are not limited 

to those generated in oil/water/solids separators; tanks and impoundments; ditches and other 

conveyances; sumps; and stormwater units receiving dry weather flow. Sludges generated in 

stormwater units that do not receive dry weather flow, sludges generated from non-contact oncethrough cooling waters segregated for treatment from other process or oily cooling waters, 

sludges generated in aggressive biological treatment units as defined in § 261.31(b)(2) (including 

sludges generated in one or more additional units after wastewaters have been treated in aggressive biological treatment units) and K051 wastes are not included in this listing. This listing does 

include residuals generated from processing or recycling oil-bearing hazardous secondary materials excluded under § 261.4(a)(12)(i), if those residuals are to be disposed of.

........................ 4 F037 ........... 1 (0.454) 

F038—Petroleum refinery secondary (emulsified) oil/water/solids separation sludge-Any sludge and/ 

or float generated from the physical and/or chemical separation of oil/water/solids in process 

wastewaters and oily cooling wastewaters from petroleum refineries. Such wastes include, but 

are not limited to, all sludges and floats generated in: Induced air flotation (IAF) units, tanks and 

impoundments, and all sludges generated in DAF units. Sludges generated in stormwater units 

that do not receive dry weather flow, sludges generated from non-contact once-through cooling 

waters segregated for treatment from other process or oily cooling waters, sludges and floats 

generated in aggressive biological treatment units as defined in § 261.31(b)(2) (including sludges 

and floats generated in one or more additional units after wastewaters have been treated in aggressive biological treatment units) and F037, K048, and K051 wastes are not included in this 

listing.

........................ 4 F038 ........... 1 (0.454) 

F039—Leachate (liquids that have percolated through land disposed wastes) resulting from the disposal of more than one restricted waste classified as hazardous under subpart D of 40 CFR part 

261. (Leachate resulting from the disposal of one or more of the following EPA Hazardous 

Wastes and no other hazardous wastes retains its EPA Hazardous Waste Number(s): F020, 

F021, F022, F026, F027, and/or F028).

........................ 4 F039 ........... 1 (0.454) 

K001—Bottom sediment sludge from the treatment of wastewaters from wood preserving processes 

that use creosote and/or pentachlorophenol.

........................ 4 K001 ........... 1 (0.454) 

K002—Wastewater treatment sludge from the production of chrome yellow and orange pigments .... ........................ 4 K002 ........... 10 (4.54) 

K003—Wastewater treatment sludge from the production of molybdate orange pigments .................. ........................ 4 K003 ........... 10 (4.54) 

K004—Wastewater treatment sludge from the production of zinc yellow pigments ............................. ........................ 4 K004 ........... 10 (4.54) 

K005—Wastewater treatment sludge from the production of chrome green pigments ........................ ........................ 4 K005 ........... 10 (4.54) 

K006—Wastewater treatment sludge from the production of chrome oxide green pigments (anhydrous and hydrated)......................... 4 K006 ........... 10 (4.54) 

K007—Wastewater treatment sludge from the production of iron blue pigments ................................. ........................ 4 K007 ........... 10 (4.54) 

K008—Oven residue from the production of chrome oxide green pigments ........................................ ........................ 4 K008 ........... 10 (4.54) 

K009—Distillation bottoms from the production of acetaldehyde from ethylene ................................... ........................ 4 K009 ........... 10 (4.54) 

K010—Distillation side cuts from the production of acetaldehyde from ethylene ................................. ........................ 4 K010 ........... 10 (4.54) 

K011—Bottom stream from the wastewater stripper in the production of acrylonitrile ......................... ........................ 4 K011 ........... 10 (4.54) 

K013—Bottom stream from the acetonitrile column in the production of acrylonitrile ........................... ........................ 4 K013 ........... 10 (4.54) 

K014—Bottoms from the acetonitrile purification column in the production of acrylonitrile .................. ........................ 4 K014 ........... 5000 (2270) 

K015—Still bottoms from the distillation of benzyl chloride ................................................................... ........................ 4 K015 ........... 10 (4.54) 

K016—Heavy ends or distillation residues from the production of carbon tetrachloride ....................... ........................ 4 K016 ........... 1 (0.454) 

K017—Heavy ends (still bottoms) from the purification column in the production of epichlorohydrin .. ........................ 4 K017 ........... 10 (4.54) 

K018—Heavy ends from the fractionation column in ethyl chloride production .................................... ........................ 4 K018 ........... 1 (0.454) 

K019—Heavy ends from the distillation of ethylene dichloride in ethylene dichloride production ........ ........................ 4 K019 ........... 1 (0.454) 

K020—Heavy ends from the distillation of vinyl chloride in vinyl chloride monomer production .......... ........................ 4 K020 ........... 1 (0.454) 

K021—Aqueous spent antimony catalyst waste from fluoromethanes production ............................... ........................ 4 K021 ........... 10 (4.54) 


jspears on DSK121TN23PROD with RULES1
20744 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

K022—Distillation bottom tars from the production of phenol/acetone from cumene ........................... ........................ 4 K022 ........... 1 (0.454) 

K023—Distillation light ends from the production of phthalic anhydride from naphthalene .................. ........................ 4 K023 ........... 5000 (2270) 

K024—Distillation bottoms from the production of phthalic anhydride from naphthalene ..................... ........................ 4 K024 ........... 5000 (2270) 

K025—Distillation bottoms from the production of nitrobenzene by the nitration of benzene .............. ........................ 4 K025 ........... 10 (4.54) 

K026—Stripping still tails from the production of methyl ethyl pyridines ............................................... ........................ 4 K026 ........... 1000 (454) 

K027—Centrifuge and distillation residues from toluene diisocyanate production ................................ ........................ 4 K027 ........... 10 (4.54) 

K028—Spent catalyst from the hydrochlorinator reactor in the production of 1,1,1-trichloroethane ..... ........................ 4 K028 ........... 1 (0.454) 

K029—Waste from the product steam stripper in the production of 1,1,1- trichloroethane .................. ........................ 4 K029 ........... 1 (0.454) 

K030—Column bottoms or heavy ends from the combined production of trichloroethylene and 

perchloroethylene.

........................ 4 K030 ........... 1 (0.454) 

K031—By-product salts generated in the production of MSMA and cacodylic acid ............................. ........................ 4 K031 ........... 1 (0.454) 

K032—Wastewater treatment sludge from the production of chlordane ............................................... ........................ 4 K032 ........... 10 (4.54) 

K033—Wastewater and scrub water from the chlorination of cyclopentadiene in the production of 

chlordane.

........................ 4 K033 ........... 10 (4.54) 

K034—Filter solids from the filtration of hexachlorocyclopentadiene in the production of chlordane ... ........................ 4 K034 ........... 10 (4.54) 

K035—Wastewater treatment sludges generated in the production of creosote .................................. ........................ 4 K035 ........... 1 (0.454) 

K036—Still bottoms from toluene reclamation distillation in the production of disulfoton ..................... ........................ 4 K036 ........... 1 (0.454) 

K037—Wastewater treatment sludges from the production of disulfoton ............................................. ........................ 4 K037 ........... 1 (0.454) 

K038—Wastewater from the washing and stripping of phorate production .......................................... ........................ 4 K038 ........... 10 (4.54) 

K039—Filter cake from the filtration of diethylphosphorodithioic acid in the production of phorate ..... ........................ 4 K039 ........... 10 (4.54) 

K040—Wastewater treatment sludge from the production of phorate .................................................. ........................ 4 K040 ........... 10 (4.54) 

K041—Wastewater treatment sludge from the production of toxaphene .............................................. ........................ 4 K041 ........... 1 (0.454) 

K042—Heavy ends or distillation residues from the distillation of tetrachlorobenzene in the production of 2,4,5–T......................... 4 K042 ........... 10 (4.54) 

K043—2,6-Dichlorophenol waste from the production of 2,4–D ........................................................... ........................ 4 K043 ........... 10 (4.54) 

K044—Wastewater treatment sludges from the manufacturing and processing of explosives ............ ........................ 4 K044 ........... 10 (4.54) 

K045—Spent carbon from the treatment of wastewater containing explosives .................................... ........................ 4 K045 ........... 10 (4.54) 

K046—Wastewater treatment sludges from the manufacturing, formulation and loading of leadbased initiating compounds......................... 4 K046 ........... 10 (4.54) 

K047—Pink/red water from TNT operations .......................................................................................... ........................ 4 K047 ........... 10 (4.54) 

K048—Dissolved air flotation (DAF) float from the petroleum refining industry .................................... ........................ 4 K048 ........... 10 (4.54) 

K049—Slop oil emulsion solids from the petroleum refining industry ................................................... ........................ 4 K049 ........... 10 (4.54) 

K050—Heat exchanger bundle cleaning sludge from the petroleum refining industry ......................... ........................ 4 K050 ........... 10 (4.54) 

K051—API separator sludge from the petroleum refining industry ....................................................... ........................ 4 K051 ........... 10 (4.54) 

K052—Tank bottoms (leaded) from the petroleum refining industry ..................................................... ........................ 4 K052 ........... 10 (4.54) 

K060—Ammonia still lime sludge from coking operations ..................................................................... ........................ 4 K060 ........... 1 (0.454) 

K061—Emission control dust/sludge from the primary production of steel in electric furnaces ........... ........................ 4 K061 ........... 10 (4.54) 

K062—Spent pickle liquor generated by steel finishing operations of facilities within the iron and 

steel industry (SIC Codes 331 and 332).

........................ 4 K062 ........... 10 (4.54) 

K069—Emission control dust/sludge from secondary lead smelting. (Note: This listing is stayed administratively for sludge generated from secondary acid scrubber systems. The stay will remain in 

effect until further administrative action is taken. If EPA takes further action effecting the stay, 

EPA will publish a notice of the action in the Federal Register).

........................ 4 K069 ........... 10 (4.54) 

K071—Brine purification muds from the mercury cell process in chlorine production, where separately prepurified brine is not used......................... 4 K071 ........... 1 (0.454) 

K073—Chlorinated hydrocarbon waste from the purification step of the diaphragm cellprocess using 

graphite anodes in chlorine production.

........................ 4 K073 ........... 10 (4.54) 

K083—Distillation bottoms from aniline production ............................................................................... ........................ 4 K083 ........... 100 (45.4) 

K084—Wastewater treatment sludges generated during the production of veterinary pharmaceuticals from arsenic or organo-arsenic compounds......................... 4 K084 ........... 1 (0.454) 

K085—Distillation or fractionation column bottoms from the production of chlorobenzenes ................ ........................ 4 K085 ........... 10 (4.54) 

K086—Solvent washes and sludges, caustic washes and sludges, or water washes and sludges 

from cleaning tubs and equipment used in the formulation of ink from pigments, driers, soaps, 

and stabilizers containing chromium and lead.

........................ 4 K086 ........... 10 (4.54) 

K087—Decanter tank tar sludge from coking operations ...................................................................... ........................ 4 K087 ........... 100 (45.4) 

K088—Spent potliners from primary aluminum reduction ..................................................................... ........................ 4 K088 ........... 10 (4.54) 

K093—Distillation light ends from the production of phthalic anhydride from ortho-xylene .................. ........................ 4 K093 ........... 5000 (2270) 

K094—Distillation bottoms from the production of phthalic anhydride from ortho-xylene ..................... ........................ 4 K094 ........... 5000 (2270) 

K095—Distillation bottoms from the production of 1,1,1-trichloroethane .............................................. ........................ 4 K095 ........... 100 (45.4) 

K096—Heavy ends from the heavy ends column from the production of 1,1,1-trichloroethane ........... ........................ 4 K096 ........... 100 (45.4) 

K097—Vacuum stripper discharge from the chlordane chlorinator in the production of chlordane ...... ........................ 4 K097 ........... 1 (0.454) 

K098—Untreated process wastewater from the production of toxaphene ............................................ ........................ 4 K098 ........... 1 (0.454) 

K099—Untreated wastewater from the production of 2,4–D ................................................................. ........................ 4 K099 ........... 10 (4.54) 

K100—Waste leaching solution from acid leaching of emission control dust/sludge from secondary 

lead smelting.

........................ 4 K100 ........... 10 (4.54) 

K101—Distillation tar residues from the distillation of aniline-based compounds in the production of 

veterinary pharmaceuticals from arsenic or organo-arsenic compounds.

........................ 4 K101 ........... 1 (0.454) 

K102—Residue from the use of activated carbon for decolorization in the production of veterinary 

pharmaceuticals from arsenic or organo-arsenic compounds.

........................ 4 K102 ........... 1 (0.454) 

K103—Process residues from aniline extraction from the production of aniline ................................... ........................ 4 K103 ........... 100 (45.4) 

K104—Combined wastewater streams generated from nitrobenzene/aniline production ..................... ........................ 4 K104 ........... 10 (4.54) 

K105—Separated aqueous stream from the reactor product washing step in the production of 

chlorobenzenes.

........................ 4 K105 ........... 10 (4.54) 

K106—Wastewater treatment sludge from the mercury cell process in chlorine production ................ ........................ 4 K106 ........... 1 (0.454) 

K107—Column bottoms from product separation from the production of 1,1- dimethylhydrazine 

(UDMH) from carboxylic acid hydrazines.

........................ 4 K107 ........... 10 (4.54) 

K108—Condensed column overheads from product separation and condensed reactor vent gases 

from the production of 1,1- dimethylhydrazine (UDMH) from carboxylic acid hydrazides.

........................ 4 K108 ........... 10 (4.54) 

K109—Spent filter cartridges from product purification from the production of 1,1-dimethylhydrazine 

(UDMH) from carboxylic acid hydrazides.

........................ 4 K109 ........... 10 (4.54) 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20745 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

K110—Condensed column overheads from intermediate separation from the production of 1,1- 

dimethylhydrazine (UDMH) from carboxylic acid hydrazides.

........................ 4 K110 ........... 10 (4.54) 

K111—Product washwaters from the production of dinitrotoluene via nitration of toluene ................... ........................ 4 K111 ........... 10 (4.54) 

K112—Reaction by-product water from the drying column in the production of toluenediamine via 

hydrogenation of dinitrotoluene.

........................ 4 K112 ........... 10 (4.54) 

K113—Condensed liquid light ends from the purification of toluenediamine in the production of 

toluenediamine via hydrogenation of dinitrotoluene.

........................ 4 K113 ........... 10 (4.54) 

K114—Vicinals from the purification of toluenediamine in the production of toluenediamine via hydrogenation of dinitrotoluene......................... 4 K114 ........... 10 (4.54) 

K115—Heavy ends from the purification of toluenediamine in the production of toluenediamine via 

hydrogenation of dinitrotoluene.

........................ 4 K115 ........... 10 (4.54) 

K116—Organic condensate from the solvent recovery column in the production of toluene 

diisocyanate via phosgenation of toluenediamine.

........................ 4 K116 ........... 10 (4.54) 

K117—Wastewater from the reactor vent gas scrubber in the production of ethylene dibromide via 

bromination of ethene.

........................ 4 K117 ........... 1 (0.454) 

K118—Spent adsorbent solids from purification of ethylene dibromide in the production of ethylene 

dibromide via bromination of ethene.

........................ 4 K118 ........... 1 (0.454) 

K123—Process wastewater (including supernates, filtrates, and washwaters) from the production of 

ethylenebisdithiocarbamic acid and its salts.

........................ 4 K123 ........... 10 (4.54) 

K124—Reactor vent scrubber water from the production of ethylenebisdithiocarbamic acid and its 

salts.

........................ 4 K124 ........... 10 (4.54) 

K125—Filtration, evaporation, and centrifugation solids from the production of ethylenebisdi

thiocarbamic acid and its salts.

........................ 4 K125 ........... 10 (4.54) 

K126—Baghouse dust and floor sweepings in milling and packaging operations from the production 

or formulation of ethylenebisdithiocarbamic acid and its salts.

........................ 4 K126 ........... 10 (4.54) 

K131—Wastewater from the reactor and spent sulfuric acid from the acid dryer from the production 

of methyl bromide.

........................ 4 K131 ........... 100 (45.4) 

K132—Spent absorbent and wastewater separator solids from the production of methyl bromide ..... ........................ 4 K132 ........... 1000 (454) 

K136—Still bottoms from the purification of ethylene dibromide in the production of ethylene 

dibromide via bromination of ethene.

........................ 4 K136 ........... 1 (0.454) 

K141—Process residues from the recovery of coal tar, including, but not limited to, collecting sump 

residues from the production of coke from coal or the recovery of coke by-products produced 

from coal This listing does not include K087 (decanter tank tar sludges from coking operations).

........................ 4 K141 ........... 1 (0.454) 

K142—Tar storage tank residues from the production of coke from coal or from the recovery of 

coke by-products produced from coal.

........................ 4 K142 ........... 1 (0.454) 

K143—Process residues from the recovery of light oil, including, but not limited to, those generated 

in stills, decanters, and wash oil recovery units from the recovery of coke by- products produced 

from coal.

........................ 4 K143 ........... 1 (0.454) 

K144—Wastewater sump residues from light oil refining, including, but not limited to, intercepting or 

contamination sump sludges from the recovery of coke by-products produced from coal.

........................ 4 K144 ........... 1 (0.454) 

K145—Residues from naphthalene collection and recovery operations from the recovery of coke byproducts produced from coal......................... 4 K145 ........... 1 (0.454) 

K147—Tar storage tank residues from coal tar refining ........................................................................ ........................ 4 K147 ........... 1 (0.454) 

K148—Residues from coal tar distillation, including, but not limited to, still bottoms ........................... ........................ 4 K148 ........... 1 (0.454) 

K149—Distillation bottoms from the production of alpha-(or methyl-) chlorinated toluenes, ringchlorinated toluenes, benzoyl chlorides, and compounds with mixtures of these functional groups. 

[This waste does not include still bottoms from the distillation of benzyl chloride].

........................ 4 K149 ........... 10 (4.54) 

K150—Organic residuals, excluding spent carbon adsorbent, from the spent chlorine gas and hydrochloric acid recovery processes associated with the production of alpha- (or methyl-) 

chlorinated toluenes, ring-chlorinated toluenes, benzoyl chlorides, and compounds with mixtures 

of these functional groups.

........................ 4 K150 ........... 10 (4.54) 

K151—Wastewater treatment sludges, excluding neutralization and biological sludges, generated 

during the treatment of waste-waters from the production of alpha- (or methyl-) chlorinated 

toluenes, ring-chlorinated toluenes, benzoyl chlorides, and compounds with mixtures of these 

functional groups.

........................ 4 K151 ........... 10 (4.54) 

K156—Organic waste (including heavy ends, still bottoms, light ends, spent solvents, filtrates, and 

decantates) from the production of carbamates and carbamoyl oximes. (This listing does not 

apply to wastes generated from the manufacture of 3-iodo-2-propynyl n-butylcarbamate).

........................ 4 K156 ........... 10 (4.54) 

K157—Wastewaters (including scrubber waters, condenser waters, washwaters, and separation 

waters) from the production of carbamates and carbamoyl oximes. (This listing does not apply to 

wastes generated from the manufacture of 3-iodo-2-propynyl n-butylcarbamate).

........................ 4 K157 ........... 10 (4.54) 

K158—Bag house dusts and filter/separation solids from the production of carbamates and carbamoyl oximes. (This listing does not apply to wastes generated from the manufacture of 3-iodo2-propynyl n-butylcarbamate)......................... 4 K158 ........... 10 (4.54) 

K159—Organics from the treatment of thiocarbamate wastes .............................................................. ........................ 4 K159 ........... 10 (4.54) 

K161—Purification solids (including filtration, evaporation, and centrifugation solids), bag-house dust 

and floor sweepings from the production of dithiocarbamate acids and their salts. (This listing 

does not include K125 or K126).

........................ 4 K161 ........... 1 (0.454) 

K169 f—Crude oil storage tank sediment from petroleum refining operations ...................................... ........................ 4 K169 ........... 10 (4.54) 

K170 f—Clarified slurry oil tank sediment and/or in-line filter/separation solids from petroleum refining operations......................... 4 K170 ........... 1 (0.454) 

K171 f—Spent hydrotreating catalyst from petroleum refining operations. (This listing does not include inert support media)......................... 4 K171 ........... 1 (0.454) 

K172 f—Spent hydrorefining catalyst from petroleum refining operations. (This listing does not include inert support media)......................... 4 K172 ........... 1 (0.454) 

K174 f ...................................................................................................................................................... ........................ 4 K174 ........... 1 (0.454) 

K175 f ...................................................................................................................................................... ........................ 4 K175 ........... 1 (0.454) 

K176—Baghouse filters from the production of antimony oxide, including filters from the production 

of intermediates (e.g., antimony metal or crude antimony oxide).

........................ 4 K176 ........... 1 (0.454) 


jspears on DSK121TN23PROD with RULES1
20746 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

TABLE 302.4—LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES—Continued 

[All comments/notes are located at the end of the table.] 

Hazardous substance CASRN I Statutory 

code II

RCRA 

waste No. 

Final RQ 

[pounds (kg)] 

K177—Slag from the production of antimony oxide that is speculatively accumulated or disposed, 

including slag from the production of intermediates (e.g., antimony metal or crude antimony 

oxide).

........................ 4 K177 ........... 5000 (2270) 

K178—Residues from manufacturing and manufacturing-site storage of ferric chloride from acids 

formed during the production of titanium dioxide using the chloride-ilmenite process.

........................ 4 K178 ........... 1000 (454) 

K181—Nonwastewaters from the production of dyes and/or pigments (including nonwastewaters 

commingled at the point of generation with nonwastewaters from other processes) that, at the 

point of generation, contain mass loadings of any of the constituents identified in paragraph (c) of 

section 261.32 that are equal to or greater than the corresponding paragraph (c) levels, as determined on a calendar year basis.

........................ 4 K181 ........... (##) 

IProvides reference to Note I to Table 302.4 to discuss the applicability of CASRNs. 

II Indicates the statutory source defined by 1, 2, 3, and 4, as described in the Note II to Table 302.4. 

III No reporting of releases of this hazardous substance is required if the diameter of the pieces of the solid metal released is larger than 100 micrometers (0.004 

inches). IV The RQ for asbestos is limited to friable forms only. 

## The Agency may adjust the statutory RQ for this hazardous substance in a future rulemaking; until then the statutory one-pound RQ applies. 

§ The adjusted RQs for radionuclides may be found in appendix B to this table. 

** Indicates that no RQ is being assigned to the generic or broad class. 

aBenzene was already a CERCLA hazardous substance prior to the CAA Amendments of 1990 and received an adjusted 10-pound RQ based on potential carcinogenicity in an August 14, 1989, final rule (54 FR 33418). The CAA Amendments specify that ‘‘benzene (including benzene from gasoline)’’ is a hazardous air pollutant 

and, thus, a CERCLA hazardous substance. bThe CAA Amendments of 1990 list DDE (3547–04–4) as a CAA hazardous air pollutant. The CAS number, 3547–04–4, is for the chemical, 

p,p′dichlorodiphenylethane. DDE or p,p′-dichlorodiphenyldichloroethylene, CAS number 72–55–9, is already listed in Table 302.4 with a final RQ of 1 pound. The substance identified by the CAS number 3547–04–4 has been evaluated and listed as DDE to be consistent with the CAA section 112 listing, as amended. c Includes mineral fiber emissions from facilities manufacturing or processing glass, rock, or slag fibers (or other mineral derived fibers) of average diameter 1 micrometer or less. d Includes mono- and di-ethers of ethylene glycol, diethylene glycol, and triethylene glycol R-(OCH2CH2)n-OR′ where: 

n = 1, 2, or 3; 

R = alkyl C7 or less; or 

R = phenyl or alkyl substituted phenyl; 

R′= H or alkyl C7 or less; or 

OR′ consisting of carboxylic acid ester, sulfate, phosphate, nitrate, or sulfonate. e Includes organic compounds with more than one benzene ring, and which have a boiling point greater than or equal to 100 °C. fSee 40 CFR 302.6(b)(1) for application of the mixture rule to this hazardous waste. 

Appendix A to § 302.4—Sequential CAS 

Registry Number List of CERCLA 

Hazardous Substances 

Appendix A to § 302.4 lists CERCLA 

hazardous substances in sequential 

order by CASRN and provides a persubstance grouping of regulatory 

synonyms (i.e., names by which each 

hazardous substance is identified in 

other statutes and their implementing 

regulations). 

CASRN Hazardous substance 

50–00–0 ................ Formaldehyde. 

50–07–7 ................ Azirino[2′,3′:3,4]pyrrolo[1,2-a]indole-4,7-dione,6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a, 8b-hexahydro-8a-methoxy-5-methyl-, [1aS- 

(1aalpha, 8beta,8aalpha,8balpha)]-. 

Mitomycin C. 

50–18–0 ................ Cyclophosphamide. 

2H–1,3,2-Oxazaphosphorin-2-amine, N,N-bis(2-chloroethyl)tetrahydro-, 2-oxide. 

50–29–3 ................ Benzene, 1,1′-(2,2,2- trichloroethylidene)bis[4-chloro-. 

DDT. 

4,4′-DDT. 

50–32–8 ................ Benzo[a]pyrene. 

3,4-Benzopyrene. 

50–55–5 ................ Reserpine. 

Yohimban-16-carboxylic acid,11,17-dimethoxy-18-[(3 ,4,5-trimethoxybenzoyl)oxy]-, methyl ester (3beta, 16beta,17alpha,18beta,20alpha)-. 

51–28–5 ................ Phenol, 2,4-dinitro-. 

2,4-Dinitrophenol. 

51–43–4 ................ Epinephrine. 

1,2-Benzenediol,4-[1-hydroxy-2-(methylamino) ethyl]-. 

51–79–6 ................ Carbamic acid, ethyl ester. 

Ethyl carbamate. 

Urethane. 

52–68–6 ................ Trichlorfon. 

52–85–7 ................ Famphur. 

Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester. 

53–70–3 ................ Dibenz[a,h]anthracene. 

Dibenzo[a,h]anthracene. 

1,2:5,6-Dibenzanthracene. 

53–96–3 ................ Acetamide, N–9H-fluoren-2-yl-. 

2-Acetylaminofluorene. 

54–11–5 ................ Nicotine, & salts. 

Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts. 

55–18–5 ................ Ethanamine, N-ethyl-N-nitroso-. 

N-Nitrosodiethylamine. 

55–63–0 ................ Nitroglycerine. 

1,2,3-Propanetriol, trinitrate. 

55–91–4 ................ Diisopropylfluorophosphate (DFP). 


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CASRN Hazardous substance 

Phosphorofluororidic acid, bis(1-methylethyl) ester. 

56–04–2 ................ Methylthiouracil. 

4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-. 

56–23–5 ................ Carbon tetrachloride. 

Methane, tetrachloro-. 

56–38–2 ................ Parathion. 

Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester. 

56–49–5 ................ Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-. 

3-Methylcholanthrene. 

56–53–1 ................ Diethylstilbestrol. 

Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E). 

56–55–3 ................ Benz[a]anthracene. 

Benzo[a]anthracene. 

1,2-Benzanthracene. 

56–72–4 ................ Coumaphos. 

57–14–7 ................ Hydrazine, 1,1-dimethyl-. 

1,1-Dimethylhydrazine. 

57–24–9 ................ Strychnidin-10-one, & salts. 

Strychnine, & salts. 

57–47–6 ................ Physostigmine. 

Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)-. 

57–57–8 ................ beta-Propiolactone. 

57–64–7 ................ Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1). 

Physostigmine salicylate. 

57–74–9 ................ Chlordane. 

Chlordane, alpha & gamma isomers. 

CHLORDANE (TECHNICAL MIXTURE AND METABOLITES). 

4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8- octachloro-2,3,3a,4,7,7a-hexahydro-. 

57–97–6 ................ Benz[a]anthracene, 7,12-dimethyl-. 

7,12-Dimethylbenz[a]anthracene. 

58–89–9 ................ g-BHC. 

Cyclohexane, 1,2,3,4,5,6-hexachloro-(1a,2a,3b,4a,5a,6b)-. 

Lindane. 

Lindane (all isomers). 

58–90–2 ................ Phenol, 2,3,4,6-tetrachloro-. 

2,3,4,6-Tetrachlorophenol. 

59–50–7 ................ p-Chloro-m-cresol. 

Phenol, 4-chloro-3-methyl-. 

59–89–2 ................ N-Nitrosomorpholine. 

60–00–4 ................ Ethylenediamine-tetraacetic acid (EDTA). 

60–11–7 ................ Benzenamine, N,N-dimethyl-4-(phenylazo)-. 

Dimethyl aminoazobenzene. 

p-Dimethylaminoazobenzene. 

60–29–7 ................ Ethane, 1,1′-oxybis-. 

Ethyl ether. 

60–34–4 ................ Hydrazine, methyl-. 

Methyl hydrazine. 

60–35–5 ................ Acetamide. 

60–51–5 ................ Dimethoate. 

Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester. 

60–57–1 ................ Dieldrin. 

2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2, 2a,3,6,6a,7,7a-octahydro-, (1aalpha,2beta,2aalpha,3beta,6beta, 

6aalpha,7beta, 7aalpha)-. 

61–82–5 ................ Amitrole. 

1H–1,2,4-Triazol-3-amine. 

62–38–4 ................ Mercury, (acetato-O)phenyl-. 

Phenylmercury acetate. 

62–44–2 ................ Acetamide, N-(4-ethoxyphenyl)-. 

Phenacetin. 

62–50–0 ................ Ethyl methanesulfonate. 

Methanesulfonic acid, ethyl ester. 

62–53–3 ................ Aniline. 

Benzenamine. 

62–55–5 ................ Ethanethioamide. 

Thioacetamide. 

62–56–6 ................ Thiourea. 

62–73–7 ................ Dichlorvos. 

62–74–8 ................ Acetic acid, fluoro-, sodium salt. 

Fluoroacetic acid, sodium salt. 

62–75–9 ................ Methanamine, N-methyl-N-nitroso-. 

N-Nitrosodimethylamine. 

63–25–2 ................ Carbaryl. 

1-Naphthalenol, methylcarbamate. 

64–00–6 ................ m-Cumenyl methylcarbamate. 

3-Isopropylphenyl N-methylcarbamate. 

Phenol, 3-(1-methylethyl)-, methyl carbamate. 

64–18–6 ................ Formic acid. 

64–19–7 ................ Acetic acid. 

64–67–5 ................ Diethyl sulfate. 

65–85–0 ................ Benzoic acid. 

66–75–1 ................ Uracil mustard. 

2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2-chloroethyl) amino]-. 

67–56–1 ................ Methanol. 


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CASRN Hazardous substance 

Methyl alcohol. 

67–64–1 ................ Acetone. 

2-Propanone. 

67–66–3 ................ Chloroform. 

Methane, trichloro-. 

67–72–1 ................ Ethane, hexachloro-. 

Hexachloroethane. 

68–12–2 ................ Dimethylformamide. 

70–25–7 ................ Guanidine, N-methyl-N′-nitro-N-nitroso-. 

MNNG. 

70–30–4 ................ Hexachlorophene. 

Phenol, 2,2′-methylenebis[3,4,6-tri- chloro-. 

71–36–3 ................ n-Butyl alcohol. 

1-Butanol. 

71–43–2 ................ Benzene. 

71–55–6 ................ Ethane, 1,1,1-trichloro-. 

Methyl chloroform. 

1,1,1-Trichloroethane. 

72–20–8 ................ Endrin. 

Endrin, & metabolites. 

2,7:3.6-Dimethanonaphth[2,3-b]oxirene,3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aalpha,2beta,2abeta,3alpha, 

6alpha,6abeta,7beta,7aalpha)-, & metabolites. 

72–43–5 ................ Benzene, 1,1′-(2,2,2-trichloroethylidene)bis[4- methoxy-. 

Methoxychlor. 

72–54–8 ................ Benzene, 1,1′-(2,2-dichloroethylidene)bis[4-chloro-. 

DDD. 

TDE. 

4,4′-DDD. 

72–55–9 ................ DDE. 

4,4′-DDE. 

72–57–1 ................ Trypan blue. 

2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl-(l,1′-biphenyl)-4,4′-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt. 

74–83–9 ................ Bromomethane. 

Methane, bromo-. 

Methyl bromide. 

74–87–3 ................ Chloromethane. 

Methane, chloro-. 

Methyl chloride. 

74–88–4 ................ Iodomethane. 

Methane, iodo-. 

Methyl iodide. 

74–89–5 ................ Monomethylamine. 

74–90–8 ................ Hydrocyanic acid. 

Hydrogen cyanide. 

74–93–1 ................ Methanethiol. 

Methyl mercaptan. 

Thiomethanol. 

74–95–3 ................ Methane, dibromo-. 

Methylene bromide. 

75–00–3 ................ Chloroethane. 

Ethyl chloride. 

75–01–4 ................ Ethene, chloro-. 

Vinyl chloride. 

75–04–7 ................ Monoethylamine. 

75–05–8 ................ Acetonitrile. 

75–07–0 ................ Acetaldehyde. 

Ethanal. 

75–09–2 ................ Dichloromethane. 

Methane, dichloro-. 

Methylene chloride. 

75–15–0 ................ Carbon disulfide. 

75–20–7 ................ Calcium carbide. 

75–21–8 ................ Ethylene oxide. 

Oxirane. 

75–25–2 ................ Bromoform. 

Methane, tribromo-. 

75–27–4 ................ Dichlorobromomethane. 

75–34–3 ................ Ethane, 1,1-dichloro-. 

Ethylidene dichloride. 

1,1-Dichloroethane. 

75–35–4 ................ Ethene, 1,1-dichloro-. 

Vinylidene chloride. 

1,1-Dichloroethylene. 

75–36–5 ................ Acetyl chloride. 

75–44–5 ................ Carbonic dichloride. 

Phosgene. 

75–50–3 ................ Trimethylamine. 

75–55–8 ................ Aziridine, 2-methyl-. 

2-Methyl aziridine. 

1,2-Propylenimine. 

75–56–9 ................ Propylene oxide. 

75–60–5 ................ Arsinic acid, dimethyl-. 

Cacodylic acid. 


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CASRN Hazardous substance 

75–64–9 ................ tert-Butylamine. 

75–69–4 ................ Methane, trichlorofluoro-. 

Trichloromonofluoromethane. 

75–71–8 ................ Dichlorodifluoromethane. 

Methane, dichlorodifluoro-. 

75–86–5 ................ Acetone cyanohydrin. 

Propanenitrile, 2-hydroxy-2-methyl-. 

2-Methyllactonitrile. 

75–87–6 ................ Acetaldehyde, trichloro-. 

Chloral. 

75–99–0 ................ 2,2-Dichloropropionic acid. 

76–01–7 ................ Ethane, pentachloro-. 

Pentachloroethane. 

76–44–8 ................ Heptachlor. 

4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-. 

77–47–4 ................ Hexachlorocyclopentadiene. 

1,3-Cyclopentadiene, 1,2,3,4,5,5-hexa- chloro-. 

77–78–1 ................ Dimethyl sulfate. 

Sulfuric acid, dimethyl ester. 

78–00–2 ................ Plumbane, tetraethyl-. 

Tetraethyl lead. 

78–59–1 ................ Isophorone. 

78–79–5 ................ Isoprene. 

78–81–9 ................ iso-Butylamine. 

78–83–1 ................ Isobutyl alcohol. 

1-Propanol, 2-methyl-. 

78–87–5 ................ Propane, 1,2-dichloro-. 

Propylene dichloride. 

1,2-Dichloropropane. 

78–88–6 ................ 2,3-Dichloropropene. 

78–93–3 ................ 2-Butanone. 

MEK. 

Methyl ethyl ketone. 

78–99–9 ................ 1,1-Dichloropropane. 

79–00–5 ................ Ethane, 1,1,2-trichloro-. 

1,1,2-Trichloroethane. 

79–01–6 ................ Ethene, trichloro-. 

Trichloroethylene. 

79–06–1 ................ Acrylamide. 

2-Propenamide. 

79–09–4 ................ Propionic acid. 

79–10–7 ................ Acrylic acid. 

2-Propenoic acid. 

79–11–8 ................ Chloroacetic acid. 

79–19–6 ................ Hydrazinecarbothioamide. 

Thiosemicarbazide. 

79–22–1 ................ Carbonochloridic acid, methyl ester. 

Methyl chlorocarbonate. 

79–31–2 ................ iso-Butyric acid. 

79–34–5 ................ Ethane, 1,1,2,2-tetrachloro-. 

1,1,2,2-Tetrachloroethane. 

79–44–7 ................ Carbamic chloride, dimethyl-. 

Dimethylcarbamoyl chloride. 

79–46–9 ................ Propane, 2-nitro-. 

2-Nitropropane. 

80–15–9 ................ alpha,alpha-Dimethylbenzylhydroperoxide. 

Hydroperoxide, 1-methyl-1-phenylethyl-. 

80–62–6 ................ Methyl methacrylate. 

2-Propenoic acid, 2-methyl-, methyl ester. 

81–81–2 ................ Warfarin, & salts. 

2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, & salts. 

82–68–8 ................ Benzene, pentachloronitro-. 

PCNB. 

Pentachloronitrobenzene. 

Quintobenzene. 

83–32–9 ................ Acenaphthene. 

84–66–2 ................ Diethyl phthalate. 

1,2-Benzenedicarboxylic acid, diethyl ester. 

84–74–2 ................ Di-n-butyl phthalate. 

Dibutyl phthalate. 

n-Butyl phthalate. 

1,2-Benzenedicarboxylic acid, dibutyl ester. 

85–00–7 ................ Diquat. 

85–01–8 ................ Phenanthrene. 

85–44–9 ................ Phthalic anhydride. 

1,3-Isobenzofurandione. 

85–68–7 ................ Butyl benzyl phthalate. 

86–30–6 ................ N-Nitrosodiphenylamine. 

86–50–0 ................ Guthion. 

86–73–7 ................ Fluorene. 

86–88–4 ................ alpha-Naphthylthiourea. 

Thiourea, 1-naphthalenyl-. 

87–65–0 ................ Phenol, 2,6-dichloro-. 


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CASRN Hazardous substance 

2,6-Dichlorophenol. 

87–68–3 ................ Hexachlorobutadiene. 

1,3-Butadiene, 1,1,2,3,4,4-hexachloro-. 

87–86–5 ................ Pentachlorophenol. 

Phenol, pentachloro-. 

88–06–2 ................ Phenol, 2,4,6-trichloro-. 

2,4,6-Trichlorophenol. 

88–72–2 ................ o-Nitrotoluene. 

88–75–5 ................ o-Nitrophenol. 

2-Nitrophenol. 

88–85–7 ................ Dinoseb. 

Phenol, 2-(1-methylpropyl)-4,6-dinitro-. 

90–04–0 ................ o-Anisidine. 

91–08–7 ................ Benzene, 1,3-diisocyanatomethyl-. 

Toluene diisocyanate. 

2,4-Toluene diisocyanate. 

91–20–3 ................ Naphthalene. 

91–22–5 ................ Quinoline. 

91–58–7 ................ beta-Chloronaphthalene. 

Naphthalene, 2-chloro-. 

2-Chloronaphthalene. 

91–59–8 ................ beta-Naphthylamine. 

2-Naphthalenamine. 

91–66–7 ................ N,N-Diethylaniline. 

91–80–5 ................ Methapyrilene. 

1,2-Ethanediamine, N,N-dimethyl-N′-2-pyridinyl-N′- (2-thienylmethyl)-. 

91–94–1 ................ [1,1′-Biphenyl]-4,4′-diamine,3,3′-dichloro-. 

3,3′-Dichlorobenzidine. 

92–52–4 ................ Biphenyl. 

92–67–1 ................ 4-Aminobiphenyl. 

92–87–5 ................ Benzidine. 

[1,1′-Biphenyl]-4,4′-diamine. 

92–93–3 ................ 4-Nitrobiphenyl. 

Propanoic acid, 2-(2,4,5-trichlorophenoxy)-. 

Silvex (2,4,5–TP). 

2,4,5–TP acid. 

93–76–5 ................ Acetic acid, (2,4,5-trichlorophenoxy)-. 

93–72–1 ................ 2,4,5–T. 

2,4,5–T acid. 

93–79–8 ................ 2,4,5–T esters. 

94–11–1 ................ 2,4–D Ester. 

94–58–6 ................ Dihydrosafrole. 

1,3-Benzodioxole, 5-propyl-. 

94–59–7 ................ Safrole. 

1,3-Benzodioxole, 5-(2-propenyl)-. 

94–79–1 ................ 2,4–D Ester. 

94–80–4 ................ 2,4–D Ester. 

95–47–6 ................ o-Xylene. 

95–48–7 ................ o-Cresol. 

95–50–1 ................ Benzene, 1,2-dichloro-. 

o-Dichlorobenzene. 

1,2-Dichlorobenzene. 

95–53–4 ................ Benzenamine, 2-methyl-. 

o-Toluidine. 

95–57–8 ................ o-Chlorophenol. 

Phenol, 2-chloro-. 

2-Chlorophenol. 

95–80–7 ................ Benzenediamine, ar-methyl-. 

Toluenediamine. 

2,4-Toluene diamine. 

95–94–3 ................ Benzene, 1,2,4,5-tetrachloro-. 

1,2,4,5-Tetrachlorobenzene. 

95–95–4 ................ Phenol, 2,4,5-trichloro-. 

2,4,5-Trichlorophenol. 

96–09–3 ................ Styrene oxide. 

96–12–8 ................ Propane, 1,2-dibromo-3-chloro-. 

1,2-Dibromo-3-chloropropane. 

96–45–7 ................ Ethylenethiourea. 

2-Imidazolidinethione. 

97–63–2 ................ Ethyl methacrylate. 

2-Propenoic acid, 2-methyl-, ethyl ester. 

98–01–1 ................ Furfural. 

2-Furancarboxaldehyde. 

98–07–7 ................ Benzene, (trichloromethyl)-. 

Benzotrichloride. 

98–09–9 ................ Benzenesulfonic acid chloride. 

Benzenesulfonyl chloride. 

98–82–8 ................ Benzene, (1-methylethyl)-. 

Cumene. 

98–86–2 ................ Acetophenone. 

Ethanone, 1-phenyl-. 

98–87–3 ................ Benzal chloride. 

Benzene, (dichloromethyl)-. 


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CASRN Hazardous substance 

98–88–4 ................ Benzoyl chloride. 

98–95–3 ................ Benzene, nitro-. 

Nitrobenzene. 

99–08–1 ................ m-Nitrotoluene. 

99–35–4 ................ Benzene, 1,3,5-trinitro-. 

1,3,5-Trinitrobenzene. 

99–55–8 ................ Benzenamine, 2-methyl-5-nitro-. 

5-Nitro-o-toluidine. 

99–65–0 ................ m-Dinitrobenzene. 

99–99–0 ................ p-Nitrotoluene. 

100–01–6 .............. Benzenamine, 4-nitro-. 

p-Nitroaniline. 

100–02–7 .............. p-Nitrophenol. 

Phenol, 4-nitro-. 

4-Nitrophenol. 

100–25–4 .............. p-Dinitrobenzene. 

100–41–4 .............. Ethylbenzene. 

100–42–5 .............. Styrene. 

100–44–7 .............. Benzene, (chloromethyl)-. 

Benzyl chloride. 

100–47–0 .............. Benzonitrile. 

100–75–4 .............. N-Nitrosopiperidine. 

Piperidine, 1-nitroso-. 

101–14–4 .............. Benzenamine, 4,4′-methylenebis[2-chloro-. 

4,4′-Methylenebis(2-chloroaniline). 

101–27–9 .............. Barban. 

Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester. 

101–55–3 .............. Benzene, 1-bromo-4-phenoxy-. 

4-Bromophenyl phenyl ether. 

101–68–8 .............. MDI. 

Methylene diphenyl diisocyanate. 

101–77–9 .............. 4,4′-Methylenedianiline. 

103–85–5 .............. Phenylthiourea. 

Thiourea, phenyl-. 

105–46–4 .............. sec-Butyl acetate. 

105–67–9 .............. Phenol, 2,4-dimethyl-. 

2,4-Dimethylphenol. 

106–42–3 .............. p-Xylene. 

106–44–5 .............. p-Cresol. 

106–46–7 .............. Benzene, 1,4-dichloro-. 

p-Dichlorobenzene. 

1,4-Dichlorobenzene. 

106–47–8 .............. Benzenamine, 4-chloro-. 

p-Chloroaniline. 

106–49–0 .............. Benzenamine, 4-methyl-. 

p-Toluidine. 

106–50–3 .............. p-Phenylenediamine. 

106–51–4 .............. p-Benzoquinone. 

2,5-Cyclohexadiene-1,4-dione. 

Quinone. 

106–88–7 .............. 1,2-Epoxybutane. 

106–89–8 .............. 1-Chloro-2,3-epoxypropane. 

Epichlorohydrin. 

Oxirane, (chloromethyl)-. 

106–93–4 .............. Dibromoethane. 

Ethane, 1,2-dibromo-. 

Ethylene dibromide. 

106–94–5 .............. 1-Bromopropane (BP). 

n-Propyl bromide (nPB). 

106–99–0 .............. 1,3-Butadiene. 

107–02–8 .............. Acrolein. 

2-Propenal. 

107–05–1 .............. Allyl chloride. 

107–06–2 .............. Ethane, 1,2-dichloro-. 

Ethylene dichloride. 

1,2-Dichloroethane. 

107–10–8 .............. n-Propylamine. 

1-Propanamine. 

107–12–0 .............. Ethyl cyanide. 

Propanenitrile. 

107–13–1 .............. Acrylonitrile. 

2-Propenenitrile. 

107–15–3 .............. Ethylenediamine. 

107–18–6 .............. Allyl alcohol. 

2-Propen-1-ol. 

107–19–7 .............. Propargyl alcohol. 

2-Propyn-1-ol. 

107–20–0 .............. Acetaldehyde, chloro-. 

Chloroacetaldehyde. 

107–21–1 .............. Ethylene glycol. 

107–30–2 .............. Chloromethyl methyl ether. 

Methane, chloromethoxy-. 

107–49–3 .............. Diphosphoric acid, tetraethyl ester. 


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20752 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

CASRN Hazardous substance 

Tetraethyl pyrophosphate. 

107–92–6 .............. Butyric acid. 

108–05–4 .............. Vinyl acetate. 

Vinyl acetate monomer. 

108–10–1 .............. Hexone. 

Methyl isobutyl ketone. 

4-Methyl-2-pentanone. 

108–24–7 .............. Acetic anhydride. 

108–31–6 .............. Maleic anhydride. 

2,5-Furandione. 

108–38–3 .............. m-Xylene. 

108–39–4 .............. m-Cresol. 

108–46–3 .............. Resorcinol. 

1,3-Benzenediol. 

108–60–1 .............. Dichloroisopropyl ether. 

Propane, 2,2′′-oxybis[2-chloro-. 

108–88–3 .............. Benzene, methyl-. 

Toluene. 

108–90–7 .............. Benzene, chloro-. 

Chlorobenzene. 

108–94–1 .............. Cyclohexanone. 

108–95–2 .............. Phenol. 

108–98–5 .............. Benzenethiol. 

Thiophenol. 

109–06–8 .............. Pyridine, 2-methyl-. 

2-Picoline. 

109–73–9 .............. Butylamine. 

109–77–3 .............. Malononitrile. 

Propanedinitrile. 

109–89–7 .............. Diethylamine. 

109–99–9 .............. Furan, tetrahydro-. 

Tetrahydrofuran. 

110–00–9 .............. Furan. 

Furfuran. 

110–16–7 .............. Maleic acid. 

110–17–8 .............. Fumaric acid. 

110–19–0 .............. iso-Butyl acetate. 

110–54–3 .............. Hexane. 

110–75–8 .............. Ethene, (2-chloroethoxy)-. 

2-Chloroethyl vinyl ether. 

110–80–5 .............. Ethanol, 2-ethoxy-. 

Ethylene glycol monoethyl ether. 

110–82–7 .............. Benzene, hexahydro-. 

Cyclohexane. 

110–86–1 .............. Pyridine. 

111–42–2 .............. Diethanolamine. 

111–44–4 .............. Bis(2-chloroethyl) ether. 

Dichloroethyl ether. 

Ethane, 1,1′-oxybis[2-chloro-. 

111–54–6 .............. Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters. 

Ethylenebisdithiocarbamic acid, salts & esters. 

111–91–1 .............. Bis(2-chloroethoxy) methane. 

Dichloromethoxy ethane. 

Ethane, 1,1′-[methylenebis(oxy)]bis(2-chloro-. 

114–26–1 .............. Phenol, 2-(1-methylethoxy)-, methylcarbamate. 

Propoxur (Baygon). 

115–02–6 .............. Azaserine. 

L-Serine, diazoacetate (ester). 

115–29–7 .............. Endosulfan. 

6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a- hexahydro-, 3-oxide. 

115–32–2 .............. Dicofol. 

116–06–3 .............. Aldicarb. 

Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime. 

117–80–6 .............. Dichlone. 

117–81–7 .............. 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester. 

Bis(2-ethylhexyl)phthalate. 

DEHP. 

Diethylhexyl phthalate. 

117–84–0 .............. Di-n-octyl phthalate. 

1,2-Benzenedicarboxylic acid, dioctyl ester. 

118–74–1 .............. Benzene, hexachloro-. 

Hexachlorobenzene. 

119–38–0 .............. Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester. 

Isolan. 

119–90–4 .............. [1,1′-Biphenyl]-4,4′-diamine,3,3′-dimethoxy-. 

3,3′-Dimethoxybenzidine. 

119–93–7 .............. [1,1′-Biphenyl]-4,4′-diamine,3,3′- dimethyl-. 

3,3′-Dimethylbenzidine. 

120–12–7 .............. Anthracene. 

120–58–1 .............. Isosafrole. 

1,3-Benzodioxole, 5-(1-propenyl)-. 

120–80–9 .............. Catechol. 

120–82–1 .............. 1,2,4-Trichlorobenzene. 


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Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20753 

CASRN Hazardous substance 

120–83–2 .............. Phenol, 2,4-dichloro-. 

2,4-Dichlorophenol. 

121–14–2 .............. Benzene, 1-methyl-2,4-dinitro-. 

2,4-Dinitrotoluene. 

121–21–1 .............. Pyrethrins. 

121–29–9 .............. Pyrethrins. 

121–44–8 .............. Ethanamine, N,N-diethyl-. 

Triethylamine. 

121–69–7 .............. N,N-Dimethylaniline. 

121–75–5 .............. Malathion. 

122–09–8 .............. alpha,alpha-Dimethylphenethylamine. 

Benzeneethanamine, alpha,alpha-dimethyl-. 

122–42–9 .............. Carbamic acid, phenyl-, 1-methylethyl ester. 

Propham. 

122–66–7 .............. Hydrazine, 1,2-diphenyl-. 

1,2-Diphenylhydrazine. 

123–31–9 .............. Hydroquinone. 

123–33–1 .............. Maleic hydrazide. 

3,6-Pyridazinedione, 1,2-dihydro-. 

123–38–6 .............. Propionaldehyde. 

123–62–6 .............. Propionic anhydride. 

123–63–7 .............. Paraldehyde. 

1,3,5-Trioxane, 2,4,6-trimethyl-. 

123–73–9 .............. Crotonaldehyde. 

2-Butenal. 

123–86–4 .............. Butyl acetate. 

123–91–1 .............. 1,4-Diethyleneoxide. 

1,4-Dioxane. 

123–92–2 .............. iso-Amyl acetate. 

124–04–9 .............. Adipic acid. 

124–40–3 .............. Dimethylamine. 

Methanamine, N-methyl-. 

124–41–4 .............. Sodium methylate. 

124–48–1 .............. Chlorodibromomethane. 

126–72–7 .............. Tris(2,3-dibromopropyl) phosphate. 

1-Propanol, 2,3-dibromo-, phosphate (3:1). 

126–98–7 .............. Methacrylonitrile. 

2-Propenenitrile, 2-methyl-. 

126–99–8 .............. Chloroprene. 

127–18–4 .............. Ethene, tetrachloro-. 

Perchloroethylene. 

Tetrachloroethylene. 

127–82–2 .............. Zinc phenolsulfonate. 

129–00–0 .............. Pyrene. 

130–15–4 .............. 1,4-Naphthalenedione. 

1,4-Naphthoquinone. 

131–11–3 .............. Dimethyl phthalate. 

1,2-Benzenedicarboxylic acid, dimethyl ester. 

131–74–8 .............. Ammonium picrate. 

Phenol, 2,4,6-trinitro-, ammonium salt. 

131–89–5 .............. Phenol, 2-cyclohexyl-4,6-dinitro-. 

2-Cyclohexyl-4,6-dinitrophenol. 

132–64–9 .............. Dibenzofuran. 

133–06–2 .............. Captan. 

133–90–4 .............. Chloramben. 

134–32–7 .............. alpha-Naphthylamine. 

1-Naphthalenamine. 

137–26–8 .............. Thioperoxydicarbonic diamide ([H2N)C(S)]2S2, tetramethyl-. 

Thiram. 

137–30–4 .............. Zinc, bis(dimethylcarbamodithioato-S,S’)-. 

Ziram. 

140–88–5 .............. Ethyl acrylate. 

2-Propenoic acid, ethyl ester. 

141–78–6 .............. Acetic acid, ethyl ester. 

Ethyl acetate. 

142–28–9 .............. 1,3-Dichloropropane. 

142–71–2 .............. Cupric acetate. 

142–84–7 .............. Dipropylamine. 

1-Propanamine, N-propyl-. 

143–33–9 .............. Sodium cyanide Na(CN). 

143–50–0 .............. Kepone. 

1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one,1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-. 

145–73–3 .............. Endothall. 

7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid. 

148–82–3 .............. L-Phenylalanine, 4-[bis(2-chloroethyl)amino]-. 

Melphalan. 

151–50–8 .............. Potassium cyanide K(CN). 

151–56–4 .............. Aziridine. 

Ethylenimine. 

152–16–9 .............. Diphosphoramide, octamethyl-. 

Octamethylpyrophosphoramide. 

156–60–5 .............. Ethene, 1,2-dichloro- (E). 

1,2-Dichloroethylene. 


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20754 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

CASRN Hazardous substance 

156–62–7 .............. Calcium cyanamide. 

189–55–9 .............. Benzo[rst]pentaphene. 

Dibenzo[a,i]pyrene. 

191–24–2 .............. Benzo[ghi]perylene. 

193–39–5 .............. Indeno(1,2,3-cd)pyrene. 

205–99–2 .............. Benzo[b]fluoranthene. 

206–44–0 .............. Fluoranthene. 

207–08–9 .............. Benzo(k)fluoranthene. 

208–96–8 .............. Acenaphthylene. 

218–01–9 .............. Chrysene. 

225–51–4 .............. Benz[c]acridine. 

297–97–2 .............. O,O-Diethyl O-pyrazinyl phosphorothioate. 

Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester. 

298–00–0 .............. Methyl parathion. 

Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester. 

298–02–2 .............. Phorate. 

Phosphorodithioic acid, O,O-diethyl S-[(ethylthio) methyl] ester. 

298–04–4 .............. Disulfoton. 

Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester. 

300–76–5 .............. Naled. 

301–04–2 .............. Acetic acid, lead(2 +) salt. 

Lead acetate. 

302–01–2 .............. Hydrazine. 

303–34–4 .............. Lasiocarpine. 

2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3-methyl-1-oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester, [1S- 

[1alpha(Z),7(2S*,3R*), 7aalpha]]-. 

305–03–3 .............. Benzenebutanoic acid, 4-[bis(2-chloroethyl)amino]-. 

Chlorambucil. 

309–00–2 .............. Aldrin. 

1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta,5alpha,8alpha, 8abeta)-.

311–45–5 .............. Diethyl-p-nitrophenyl phosphate. 

Phosphoric acid, diethyl 4-nitrophenyl ester. 

315–18–4 .............. Mexacarbate. 

Phenol, 4-(dimethylamino)-3,5-dimethyl-, methylcarbamate (ester). 

319–84–6 .............. alpha—BHC. 

319–85–7 .............. beta—BHC. 

319–86–8 .............. delta—BHC. 

329–71–5 .............. 2,5-Dinitrophenol. 

330–54–1 .............. Diuron. 

333–41–5 .............. Diazinon. 

334–88–3 .............. Diazomethane. 

353–50–4 .............. Carbon oxyfluoride. 

Carbonic difluoride. 

357–57–3 .............. Brucine. 

Strychnidin-10-one, 2,3-dimethoxy-. 

460–19–5 .............. Cyanogen. 

Ethanedinitrile. 

463–58–1 .............. Carbonyl sulfide. 

465–73–6 .............. Isodrin. 

1,4:5,8-Dimethanonaphthalene,1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta,5beta,8beta, 8abeta)-. 

492–80–8 .............. Auramine. 

Benzenamine, 4,4′-carbonimidoylbis[N,N-dimethyl-. 

494–03–1 .............. Chlornaphazine. 

Naphthalenamine, N,N′-bis(2-chloroethyl)-. 

496–72–0 .............. Benzenediamine, ar-methyl-. 

Toluenediamine. 

2,4-Toluene diamine. 

504–24–5 .............. 4-Aminopyridine. 

4-Pyridinamine. 

504–60–9 .............. 1-Methylbutadiene. 

1,3-Pentadiene. 

506–61–6 .............. Argentate(1-), bis(cyano-C)-, potassium. 

Potassium silver cyanide. 

506–64–9 .............. Silver cyanide Ag(CN). 

506–68–3 .............. Cyanogen bromide (CN)Br. 

506–77–4 .............. Cyanogen chloride (CN)Cl. 

506–87–6 .............. Ammonium carbonate. 

506–96–7 .............. Acetyl bromide. 

509–14–8 .............. Methane, tetranitro-. 

Tetranitromethane. 

510–15–6 .............. Benzeneacetic acid, 4-chloro-a- (4-chlorophenyl)-a-hydroxy-, ethyl ester. 

Chlorobenzilate. 

513–49–5 .............. sec-Butylamine. 

528–29–0 .............. o-Dinitrobenzene. 

532–27–4 .............. 2-Chloroacetophenone. 

534–52–1 .............. 4,6-Dinitro-o-cresol. 

4,6-Dinitro-o-cresol, and salts. 

Phenol, 2-methyl-4,6-dinitro-. 

Phenol, 2-methyl-4,6-dinitro-, & salts. 

540–73–8 .............. Hydrazine, 1,2-dimethyl-. 

1,2-Dimethylhydrazine. 

540–84–1 .............. 2,2,4-Trimethylpentane. 

540–88–5 .............. tert-Butyl acetate. 


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Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20755 

CASRN Hazardous substance 

541–09–3 .............. Uranyl acetate. 

541–53–7 .............. Dithiobiuret. 

Thioimidodicarbonic diamide [(H2 N)C(S)]2 NH. 

541–73–1 .............. Benzene, 1,3-dichloro-. 

m-Dichlorobenzene. 

1,3-Dichlorobenzene. 

542–62–1 .............. Barium cyanide. 

542–75–6 .............. 1-Propene, 1,3-dichloro-. 

1,3-Dichloropropene. 

542–76–7 .............. Propanenitrile, 3-chloro-. 

3-Chloropropionitrile. 

542–88–1 .............. Bis(chloromethyl)ether. 

Dichloromethyl ether. 

Methane, oxybis(chloro-. 

543–90–8 .............. Cadmium acetate. 

544–18–3 .............. Cobaltous formate. 

544–92–3 .............. Copper cyanide Cu(CN). 

554–84–7 .............. m-Nitrophenol. 

557–19–7 .............. Nickel cyanide Ni(CN)2. 

557–21–1 .............. Zinc cyanide Zn(CN)2. 

557–34–6 .............. Zinc acetate. 

557–41–5 .............. Zinc formate. 

563–12–2 .............. Ethion. 

563–68–8 .............. Acetic acid, thallium(1 +) salt. 

Thallium(I) acetate. 

573–56–8 .............. 2,6-Dinitrophenol. 

584–84–9 .............. Benzene, 1,3-diisocyanatomethyl-. 

Toluene diisocyanate. 

2,4-Toluene diisocyanate. 

591–08–2 .............. Acetamide, N-(aminothioxomethyl)-. 

1-Acetyl-2-thiourea. 

592–01–8 .............. Calcium cyanide Ca(CN)2. 

592–04–1 .............. Mercuric cyanide. 

592–85–8 .............. Mercuric thiocyanate. 

592–87–0 .............. Lead thiocyanate. 

593–60–2 .............. Vinyl bromide. 

594–42–3 .............. Methanesulfenyl chloride, trichloro-. 

Trichloromethanesulfenyl chloride. 

598–31–2 .............. Bromoacetone. 

2-Propanone, 1-bromo-. 

606–20–2 .............. Benzene, 2-methyl-1,3-dinitro-. 

2,6-Dinitrotoluene. 

608–73–1 .............. HEXACHLOROCYCLOHEXANE (all isomers). 

608–93–5 .............. Benzene, pentachloro-. 

Pentachlorobenzene. 

609–19–8 .............. 3,4,5-Trichlorophenol. 

610–39–9 .............. 3,4-Dinitrotoluene. 

615–53–2 .............. Carbamic acid, methylnitroso-, ethyl ester. 

N-Nitroso-N-methylurethane. 

621–64–7 .............. Di-n-propylnitrosamine. 

1-Propanamine, N-nitroso-N-propyl-. 

624–83–9 .............. Methane, isocyanato-. 

Methyl isocyanate. 

625–16–1 .............. tert-Amyl acetate. 

626–38–0 .............. sec-Amyl acetate. 

628–63–7 .............. Amyl acetate. 

628–86–4 .............. Fulminic acid, mercury(2 +) salt. 

Mercury fulminate. 

630–10–4 .............. Selenourea. 

630–20–6 .............. Ethane, 1,1,1,2-tetrachloro-. 

1,1,1,2-Tetrachloroethane. 

631–61–8 .............. Ammonium acetate. 

636–21–5 .............. Benzenamine, 2-methyl-, hydrochloride. 

o-Toluidine hydrochloride. 

640–19–7 .............. Acetamide, 2-fluoro-. 

Fluoroacetamide. 

644–64–4 .............. Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester. 

Dimetilan. 

680–31–9 .............. Hexamethylphosphoramide. 

684–93–5 .............. N-Nitroso-N-methylurea. 

Urea, N-methyl-N-nitroso-. 

692–42–2 .............. Arsine, diethyl-. 

Diethylarsine. 

696–28–6 .............. Arsonous dichloride, phenyl-. 

Dichlorophenylarsine. 

757–58–4 .............. Hexaethyl tetraphosphate. 

Tetraphosphoric acid, hexaethyl ester. 

759–73–9 .............. N-Nitroso-N-ethylurea. 

Urea, N-ethyl-N-nitroso-. 

764–41–0 .............. 1,4-Dichloro-2-butene. 

2-Butene, 1,4-dichloro-. 

765–34–4 .............. Glycidylaldehyde. 

Oxiranecarboxyaldehyde. 


jspears on DSK121TN23PROD with RULES1
20756 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

CASRN Hazardous substance 

815–82–7 .............. Cupric tartrate. 

822–06–0 .............. Hexamethylene-1,6-diisocyanate. 

823–40–5 .............. Benzenediamine, ar-methyl-. 

Toluenediamine. 

2,4-Toluene diamine. 

924–16–3 .............. N-Nitrosodi-n-butylamine. 

1-Butanamine, N-butyl-N-nitroso-. 

930–55–2 .............. N-Nitrosopyrrolidine. 

Pyrrolidine, 1-nitroso-. 

933–75–5 .............. 2,3,6-Trichlorophenol. 

933–78–8 .............. 2,3,5-Trichlorophenol. 

959–98–8 .............. alpha-Endosulfan. 

1024–57–3 ............ Heptachlor epoxide. 

1031–07–8 ............ Endosulfan sulfate. 

1066–30–4 ............ Chromic acetate. 

1066–33–7 ............ Ammonium bicarbonate. 

1072–35–1 ............ Lead stearate. 

1111–78–0 ............ Ammonium carbamate. 

1116–54–7 ............ Ethanol, 2,2′-(nitrosoimino)bis-. 

N-Nitrosodiethanolamine. 

1120–71–4 ............ 1,2-Oxathiolane, 2,2-dioxide. 

1,3-Propane sultone. 

1129–41–5 ............ Carbamic acid, methyl-, 3-methylphenyl ester. 

Metolcarb. 

1185–57–5 ............ Ferric ammonium citrate. 

1194–65–6 ............ Dichlobenil. 

1300–71–6 ............ Xylenol. 

1303–28–2 ............ Arsenic oxide As2 O5. 

Arsenic pentoxide. 

1303–33–9 ............ Arsenic trisulfide. 

1309–64–4 ............ Antimony trioxide. 

1310–58–3 ............ Potassium hydroxide. 

1310–73–2 ............ Sodium hydroxide. 

1314–32–5 ............ Thallic oxide. 

Thallium oxide Tl2 O3. 

1314–62–1 ............ Vanadium oxide V2 O5. 

Vanadium pentoxide. 

1314–80–3 ............ Phosphorus pentasulfide. 

Phosphorus sulfide. 

Sulfur phosphide. 

1314–84–7 ............ Zinc phosphide Zn3 P2. 

1314–87–0 ............ Lead sulfide. 

1319–72–8 ............ 2,4,5–T amines. 

1319–77–3 ............ Cresol (cresylic acid). 

Cresols (isomers and mixture). 

Cresylic acid (isomers and mixture). 

Phenol, methyl-. 

1320–18–9 ............ 2,4–D Ester. 

1321–12–6 ............ Nitrotoluene. 

1327–53–3 ............ Arsenic oxide As2 O3. 

Arsenic trioxide. 

1330–20–7 ............ Benzene, dimethyl-. 

Xylene. 

Xylene (mixed). 

Xylenes (isomers and mixture). 

1331–47–1 ............ Dichlorobenzidine. 

1332–07–6 ............ Zinc borate. 

1332–21–4 ............ Asbestos. 

1333–83–1 ............ Sodium bifluoride. 

1335–32–6 ............ Lead subacetate. 

Lead, bis(acetato-O)tetrahydroxytri. 

1336–21–6 ............ Ammonium hydroxide. 

1336–36–3 ............ Aroclors. 

PCBs. 

POLYCHLORINATED BIPHENYLS. 

1338–23–4 ............ Methyl ethyl ketone peroxide. 

2-Butanone peroxide. 

1338–24–5 ............ Naphthenic acid. 

1341–49–7 ............ Ammonium bifluoride. 

1464–53–5 ............ 1,2:3,4-Diepoxybutane. 

2,2′-Bioxirane. 

1563–38–8 ............ 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-. 

Carbofuran phenol. 

1563–66–2 ............ 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-, methylcarbamate. 

Carbofuran. 

1582–09–8 ............ Trifluralin. 

1615–80–1 ............ Hydrazine, 1,2-diethyl-. 

N,N′-Diethylhydrazine. 

1634–04–4 ............ Methyl tert-butyl ether. 

1646–88–4 ............ Aldicarb sulfone. 

Propanal, 2-methyl-2-(methyl-sulfonyl)-, O-[(methylamino)carbonyl] oxime. 

1746–01–6 ............ TCDD. 

2,3,7,8-Tetrachlorodibenzo-p-dioxin. 


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Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20757 

CASRN Hazardous substance 

1762–95–4 ............ Ammonium thiocyanate. 

1863–63–4 ............ Ammonium benzoate. 

1888–71–7 ............ Hexachloropropene. 

1-Propene, 1,1,2,3,3,3-hexachloro-. 

1918–00–9 ............ Dicamba. 

1928–38–7 ............ 2,4–D Ester. 

1928–47–8 ............ 2,4,5–T Esters. 

1928–61–6 ............ 2,4–D Ester. 

1929–73–3 ............ 2,4–D Ester. 

2008–46–0 ............ 2,4,5–T amines. 

2032–65–7 ............ Mercaptodimethur. 

Methiocarb. 

Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate. 

2303–16–4 ............ Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2-propenyl) ester. 

Diallate. 

2303–17–5 ............ Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester. 

Triallate. 

2312–35–8 ............ Propargite. 

2545–59–7 ............ 2,4,5–T esters. 

2631–37–0 ............ Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate. 

Promecarb. 

2763–96–4 ............ 3(2H)-Isoxazolone, 5-(aminomethyl)-. 

5-(Aminomethyl)-3-isoxazolol. 

2764–72–9 ............ Diquat. 

2921–88–2 ............ Chlorpyrifos. 

2944–67–4 ............ Ferric ammonium oxalate. 

2971–38–2 ............ 2,4–D Ester. 

3012–65–5 ............ Ammonium citrate, dibasic. 

3164–29–2 ............ Ammonium tartrate. 

3165–93–3 ............ Benzenamine, 4-chloro-2-methyl-, hydrochloride. 

4-Chloro-o-toluidine, hydrochloride. 

3251–23–8 ............ Cupric nitrate. 

3288–58–2 ............ O,O-Diethyl S-methyl dithiophosphate. 

Phosphorodithioic acid, O,O-diethyl S-methyl ester. 

3486–35–9 ............ Zinc carbonate. 

3547–04–4 ............ DDE. 

3689–24–5 ............ Tetraethyldithiopyrophosphate. 

Thiodiphosphoric acid, tetraethyl ester. 

3813–14–7 ............ 2,4,5–T amines. 

4170–30–3 ............ Crotonaldehyde. 

2-Butenal. 

4549–40–0 ............ N-Nitrosomethylvinylamine. 

Vinylamine, N-methyl-N-nitroso-. 

5103–71–9 ............ Chlordane, alpha isomer. 

5103–74–2 ............ Chlordane, gamma isomer. 

5344–82–1 ............ Thiourea, (2-chlorophenyl)-. 

1-(o-Chlorophenyl)thiourea. 

5952–26–1 ............ Ethanol, 2,2’-oxybis-, dicarbamate. 

Diethylene glycol, dicarbamate. 

5972–73–6 ............ Ammonium oxalate. 

6009–70–7 ............ Ammonium oxalate. 

6369–96–6 ............ 2,4,5–T amines. 

6369–97–7 ............ 2,4,5–T amines. 

6533–73–9 ............ Carbonic acid, dithallium(1 +) salt. 

Thallium(I) carbonate. 

7005–72–3 ............ 4-Chlorophenyl phenyl ether. 

7421–93–4 ............ Endrin aldehyde. 

7428–48–0 ............ Lead stearate. 

7439–92–1 ............ Lead. 

7439–97–6 ............ Mercury. 

7440–02–0 ............ Nickel. 

7440–22–4 ............ Silver. 

7440–23–5 ............ Sodium. 

7440–28–0 ............ Thallium. 

7440–36–0 ............ Antimony. 

7440–38–2 ............ Arsenic. 

7440–41–7 ............ Beryllium. 

Beryllium powder. 

7440–43–9 ............ Cadmium. 

7440–47–3 ............ Chromium. 

7440–50–8 ............ Copper. 

7440–66–6 ............ Zinc. 

7446–08–4 ............ Selenium dioxide. 

Selenium oxide. 

7446–14–2 ............ Lead sulfate. 

7446–18–6 ............ Sulfuric acid, dithallium(1 +) salt. 

Thallium(I) sulfate. 

7446–27–7 ............ Lead phosphate. 

Phosphoric acid, lead(2 +) salt (2:3). 

7447–39–4 ............ Cupric chloride. 

7488–56–4 ............ Selenium sulfide SeS2. 

7550–45–0 ............ Titanium tetrachloride. 

7558–79–4 ............ Sodium phosphate, dibasic. 


jspears on DSK121TN23PROD with RULES1
20758 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

CASRN Hazardous substance 

7601–54–9 ............ Sodium phosphate, tribasic. 

7631–89–2 ............ Sodium arsenate. 

7631–90–5 ............ Sodium bisulfite. 

7632–00–0 ............ Sodium nitrite. 

7645–25–2 ............ Lead arsenate. 

7646–85–7 ............ Zinc chloride. 

7647–01–0 ............ Hydrochloric acid. 

Hydrogen chloride. 

7647–18–9 ............ Antimony pentachloride. 

7664–38–2 ............ Phosphoric acid. 

7664–39–3 ............ Hydrofluoric acid. 

Hydrogen fluoride. 

7664–41–7 ............ Ammonia. 

7664–93–9 ............ Sulfuric acid. 

7681–49–4 ............ Sodium fluoride. 

7681–52–9 ............ Sodium hypochlorite. 

7697–37–2 ............ Nitric acid. 

7699–45–8 ............ Zinc bromide. 

7705–08–0 ............ Ferric chloride. 

7718–54–9 ............ Nickel chloride. 

7719–12–2 ............ Phosphorus trichloride. 

7720–78–7 ............ Ferrous sulfate. 

7722–64–7 ............ Potassium permanganate. 

7723–14–0 ............ Phosphorus. 

7733–02–0 ............ Zinc sulfate. 

7738–94–5 ............ Chromic acid. 

7758–94–3 ............ Ferrous chloride. 

7758–95–4 ............ Lead chloride. 

7758–98–7 ............ Cupric sulfate. 

7761–88–8 ............ Silver nitrate. 

7773–06–0 ............ Ammonium sulfamate. 

7775–11–3 ............ Sodium chromate. 

7778–39–4 ............ Arsenic acid H3 AsO4. 

7778–44–1 ............ Calcium arsenate. 

7778–50–9 ............ Potassium bichromate. 

7778–54–3 ............ Calcium hypochlorite. 

7779–86–4 ............ Zinc hydrosulfite. 

7779–88–6 ............ Zinc nitrate. 

7782–41–4 ............ Fluorine. 

7782–49–2 ............ Selenium. 

7782–50–5 ............ Chlorine. 

7782–63–0 ............ Ferrous sulfate. 

7782–82–3 ............ Sodium selenite. 

7782–86–7 ............ Mercurous nitrate. 

7783–00–8 ............ Selenious acid. 

7783–06–4 ............ Hydrogen sulfide H2S. 

7783–35–9 ............ Mercuric sulfate. 

7783–46–2 ............ Lead fluoride. 

7783–49–5 ............ Zinc fluoride. 

7783–50–8 ............ Ferric fluoride. 

7783–56–4 ............ Antimony trifluoride. 

7784–34–1 ............ Arsenic trichloride. 

7784–40–9 ............ Lead arsenate. 

7784–41–0 ............ Potassium arsenate. 

7784–46–5 ............ Sodium arsenite. 

7786–34–7 ............ Mevinphos. 

7786–81–4 ............ Nickel sulfate. 

7787–47–5 ............ Beryllium chloride. 

7787–49–7 ............ Beryllium fluoride. 

7787–55–5 ............ Beryllium nitrate. 

7788–98–9 ............ Ammonium chromate. 

7789–00–6 ............ Potassium chromate. 

7789–06–2 ............ Strontium chromate. 

7789–09–5 ............ Ammonium bichromate. 

7789–42–6 ............ Cadmium bromide. 

7789–43–7 ............ Cobaltous bromide. 

7789–61–9 ............ Antimony tribromide. 

7790–94–5 ............ Chlorosulfonic acid. 

7791–12–0 ............ Thallium chloride TlCl. 

7803–51–2 ............ Hydrogen phosphide. 

Phosphine. 

7803–55–6 ............ Ammonium vanadate. 

Vanadic acid, ammonium salt. 

8001–35–2 ............ Chlorinated camphene. 

Toxaphene. 

8003–19–8 ............ Dichloropropane—Dichloropropene (mixture). 

8003–34–7 ............ Pyrethrins. 

8014–95–7 ............ Sulfuric acid. 

10022–70–5 .......... Sodium hypochlorite. 

10025–87–3 .......... Phosphorus oxychloride. 

10025–91–9 .......... Antimony trichloride. 

10026–11–6 .......... Zirconium tetrachloride. 

10028–22–5 .......... Ferric sulfate. 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20759 

CASRN Hazardous substance 

10031–59–1 .......... Sulfuric acid, dithallium(1 +) salt. 

Thallium(I) sulfate. 

10039–32–4 .......... Sodium phosphate, dibasic. 

10043–01–3 .......... Aluminum sulfate. 

10045–89–3 .......... Ferrous ammonium sulfate. 

10045–94–0 .......... Mercuric nitrate. 

10049–05–5 .......... Chromous chloride. 

10099–74–8 .......... Lead nitrate. 

10101–53–8 .......... Chromic sulfate. 

10101–63–0 .......... Lead iodide. 

10101–89–0 .......... Sodium phosphate, tribasic. 

10102–06–4 .......... Uranyl nitrate. 

10102–18–8 .......... Sodium selenite. 

10102–43–9 .......... Nitric oxide. 

Nitrogen oxide NO. 

10102–44–0 .......... Nitrogen dioxide. 

Nitrogen oxide NO2. 

10102–45–1 .......... Nitric acid, thallium(1 +) salt. 

Thallium(I) nitrate. 

10102–48–4 .......... Lead arsenate. 

10108–64–2 .......... Cadmium chloride. 

10124–50–2 .......... Potassium arsenite. 

10140–65–5 .......... Sodium phosphate, dibasic. 

10192–30–0 .......... Ammonium bisulfite. 

10196–04–0 .......... Ammonium sulfite. 

10361–89–4 .......... Sodium phosphate, tribasic. 

10380–29–7 .......... Cupric sulfate, ammoniated. 

10415–75–5 .......... Mercurous nitrate. 

10421–48–4 .......... Ferric nitrate. 

10544–72–6 .......... Nitrogen dioxide. 

Nitrogen oxide NO2. 

10588–01–9 .......... Sodium bichromate. 

10605–21–7 .......... Carbamic acid, 1H-benzimidazol-2-yl, methyl ester. 

Carbendazim. 

11096–82–5 .......... Aroclor 1260. 

11097–69–1 .......... Aroclor 1254. 

11104–28–2 .......... Aroclor 1221. 

11141–16–5 .......... Aroclor 1232. 

12002–03–8 .......... Cupric acetoarsenite. 

12039–52–0 .......... Selenious acid, dithallium(1 +) salt. 

Thallium (I) selenite. 

12044–79–0 .......... Arsenic disulfide. 

12054–48–7 .......... Nickel hydroxide. 

12125–01–8 .......... Ammonium fluoride. 

12125–02–9 .......... Ammonium chloride. 

12135–76–1 .......... Ammonium sulfide. 

12672–29–6 .......... Aroclor 1248. 

12674–11–2 .......... Aroclor 1016. 

12771–08–3 .......... Sulfur monochloride. 

13463–39–3 .......... Nickel carbonyl Ni(CO)4, (T-4)-. 

13560–99–1 .......... 2,4,5–T salts. 

13597–99–4 .......... Beryllium nitrate. 

13746–89–9 .......... Zirconium nitrate. 

13765–19–0 .......... Calcium chromate. 

Chromic acid H2CrO4, calcium salt. 

13814–96–5 .......... Lead fluoborate. 

13826–83–0 .......... Ammonium fluoborate. 

13952–84–6 .......... sec-Butylamine. 

14017–41–5 .......... Cobaltous sulfamate. 

14216–75–2 .......... Nickel nitrate. 

14258–49–2 .......... Ammonium oxalate. 

14307–35–8 .......... Lithium chromate. 

14307–43–8 .......... Ammonium tartrate. 

14639–97–5 .......... Zinc ammonium chloride. 

14639–98–6 .......... Zinc ammonium chloride. 

14644–61–2 .......... Zirconium sulfate. 

15339–36–3 .......... Manganese, bis(dimethylcarbamodithioato-S,S’)-. 

Manganese dimethyldithiocarbamate. 

15699–18–0 .......... Nickel ammonium sulfate. 

15739–80–7 .......... Lead sulfate. 

15950–66–0 .......... 2,3,4-Trichlorophenol. 

16721–80–5 .......... Sodium hydrosulfide. 

16752–77–5 .......... Ethanimidothioic acid, N-[[(methylamino)carbonyl] oxy]-, methyl ester. 

Methomyl. 

16871–71–9 .......... Zinc silicofluoride. 

16919–19–0 .......... Ammonium silicofluoride. 

16923–95–8 .......... Zirconium potassium fluoride. 

17702–57–7 .......... Formparanate. 

Methanimidamide, N,N-dimethyl-N’-[2-methyl-4-[[(methylamino)carbonyl]oxy]phenyl]-. 

17804–35–2 .......... Benomyl. 

Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-, methyl ester. 

18883–66–4 .......... D-Glucose, 2-deoxy-2[[(methylnitrosoamino)-carbonyl]amino]-. 

Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-, D-. 


jspears on DSK121TN23PROD with RULES1
20760 Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 

CASRN Hazardous substance 

Streptozotocin. 

20816–12–0 .......... Osmium oxide OsO4, (T-4)-. 

Osmium tetroxide. 

20830–81–3 .......... Daunomycin. 

5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, 

(8S-cis)-. 

20859–73–8 .......... Aluminum phosphide. 

22781–23–3 .......... Bendiocarb. 

1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate. 

22961–82–6 .......... Bendiocarb phenol. 

1,3-Benzodioxol-4-ol, 2,2-dimethyl-. 

23135–22–0 .......... Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester. 

Oxamyl. 

23422–53–9 .......... Methanimidamide, N,N-dimethyl-N’-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride. 

Formetanate hydrochloride. 

23564–05–8 .......... Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester. 

Thiophanate-methyl. 

23950–58–5 .......... Benzamide, 3,5-dichloro-N-(1,1- dimethyl-2-propynyl)-. 

Pronamide. 

25154–54–5 .......... Dinitrobenzene (mixed). 

25154–55–6 .......... Nitrophenol (mixed). 

Nitrophenols. 

25155–30–0 .......... Sodium dodecylbenzenesulfonate. 

25167–82–2 .......... Trichlorophenol. 

25168–15–4 .......... 2,4,5–T esters. 

25168–26–7 .......... 2,4–D Ester. 

25321–14–6 .......... Dinitrotoluene. 

25321–22–6 .......... Dichlorobenzene. 

25376–45–8 .......... Benzenediamine, ar-methyl-. 

Toluenediamine. 

2,4-Toluene diamine. 

25550–58–7 .......... Dinitrophenol. 

26264–06–2 .......... Calcium dodecylbenzenesulfonate. 

26419–73–8 .......... 1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime. 

Tirpate. 

26471–62–5 .......... Benzene, 1,3-diisocyanatomethyl-. 

Toluene diisocyanate. 

2,4-Toluene diisocyanate. 

26628–22–8 .......... Sodium azide. 

26638–19–7 .......... Dichloropropane. 

26952–23–8 .......... Dichloropropene. 

27176–87–0 .......... Dodecylbenzenesulfonic acid. 

27323–41–7 .......... Triethanolamine dodecylbenzene sulfonate. 

27774–13–6 .......... Vanadyl sulfate. 

28300–74–5 .......... Antimony potassium tartrate. 

30525–89–4 .......... Paraformaldehyde. 

30558–43–1 .......... Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester. 

A2213. 

32534–95–5 .......... 2,4,5–TP esters. 

33213–65–9 .......... beta—Endosulfan. 

36478–76–9 .......... Uranyl nitrate. 

37211–05–5 .......... Nickel chloride. 

38622–18–3 .......... Diphenylhydrazine. 

39196–18–4 .......... Thiofanox. 

2-Butanone, 3,3-dimethyl-1-(methylthio)-,O-[(methylamino)carbonyl] oxime. 

42504–46–1 .......... Isopropanolamine dodecylbenzenesulfonate. 

52628–25–8 .......... Zinc ammonium chloride. 

52740–16–6 .......... Calcium arsenite. 

52888–80–9 .......... Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester. 

Prosulfocarb. 

53467–11–1 .......... 2,4–D Ester. 

53469–21–9 .......... Aroclor 1242. 

55285–14–8 .......... Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester. 

Carbosulfan. 

55488–87–4 .......... Ferric ammonium oxalate. 

55671–32–4 .......... Cupric oxalate. 

56189–09–4 .......... Lead stearate. 

59669–26–0 .......... Ethanimidothioic acid, N,N’-[thiobis[(methylimino)carbonyloxy]]bis-, dimethyl ester. 

Thiodicarb. 

61792–07–2 .......... 2,4,5–T esters. 


jspears on DSK121TN23PROD with RULES1
Federal Register / Vol. 87, No. 68 / Friday, April 8, 2022 / Rules and Regulations 20761 

[FR Doc. 2022–07541 Filed 4–7–22; 8:45 am] 

BILLING CODE 6560–50–P 

DEPARTMENT OF THE INTERIOR 

Office of the Secretary 

48 CFR Parts 1426, 1452, and 1480 

[DOI–2019–0012; 212D0102DM DS62500000 

DLSN00000.000000 DX62501] 

RIN 1090–AB21 

Acquisition Regulations; Buy Indian 

Act; Procedures for Contracting 

AGENCY: Assistant Secretary for Policy, 

Management and Budget, Interior. 

ACTION: Final rule. 

SUMMARY: This final rule revises the 

Department of the Interior’s regulations 

implementing the Buy Indian Act, 

which provides the Department of 

Interior (DOI) with authority to set aside 

procurement contracts for Indian-owned 

and controlled businesses. These 

revisions eliminate barriers to Indian 

Economic Enterprises from competing 

on certain construction contracts, 

expand Indian Economic Enterprises’ 

ability to subcontract construction work 

consistent with other socio-economic 

set-aside programs, and give greater 

preference to Indian Economic 

Enterprises when a deviation from the 

Buy Indian Act is necessary, among 

other updates. 

DATES: This rule is effective May 9, 

2022. 

FOR FURTHER INFORMATION CONTACT: Mr. 

Christopher Bell, Senior Small Business 

Specialist, Office of Small and 

Disadvantaged Small Business, 

Department of the Interior, 1849 C Street 

NW, Mail Stop 4214 MIB, Washington, 

DC 20240; telephone (202) 208–3458 or 

email christopher_bell@ios.doi.gov. 

SUPPLEMENTARY INFORMATION: 

I. Background 

The Department of the Interior 

Acquisition Regulations (DIAR) are in 

title 48, chapter 14 of the Code of 

Federal Regulations (48 CFR parts 1401– 

1499) and include regulations 

implementing the Buy Indian Act (25 

U.S.C. 47, as amended). The Department 

recently reviewed the DIAR consistent 

with Executive Order (E.O.) 13985, 

Advancing Racial Equity and Support 

for Underserved Communities Through 

the Federal Government. Interior has 

identified various aspects of parts 1426, 

1452, and 1480 that are barriers to equal 

opportunity for Indians and Indian 

Tribes in the Interior procurement 

process. These barriers inhibit job 

creation, are ineffective at promoting 

maximum economic development in 

Indian Country, and limit Indian 

country from fully participating in 

Interior procurements subject to the Buy 

Indian Act. 

This rule supplements the Federal 

Acquisition Regulation (FAR) and 

revises the DIAR. For this reason, the 

rule is issued by the Assistant Secretary 

for Policy, Management and Budget and 

follows the numbering system 

established by the FAR and DIAR. The 

DIAR was last revised in 2013 and 

included the addition of a new part 

1480 to address acquisitions under the 

Buy Indian Act. See 78 FR 34266 (June 

7, 2013). 

II. Description of Final Rule 

This rule revises the DIAR in the 

following ways, as explained below: 

Eliminate the restriction on Indian 

Economic Enterprises (IEE) from 

competing on ‘‘covered’’ construction 

contracts issued under the Buy Indian 

Act; expand IEEs’ ability to subcontract 

work subject to the Buy Indian Act 

consistent with other government socioeconomic set-aside programs; give 

greater preference to IEEs; update the 

process and thresholds for deviations; 

and clarify applicability. 

A. Elimination of Restriction for 

‘‘Covered’’ Construction Contracts 

Interior’s review of DIAR parts 1426, 

1480, and 1452 identified changes in 

law that affect how Interior applies the 

Andrus v. Glover Construction Co. 

Supreme Court decision, 446 U.S. 608 

(1980). The case has underpinned the 

current language of the DIAR part 1480, 

which restricts IEE set-asides to 

‘‘covered’’ construction. Interior has 

determined that the underlying law 

upon which the case was decided has 

significantly changed since the case was 

decided in 1980. The decision 

references 41 U.S.C. 252, which was 

amended by The Deficit Reduction Act 

of 1984 (Pub. L. 98–369) and moved to 

41 U.S.C. 253. Interior has reviewed 41 

U.S.C 253 as currently codified (and 

now reclassified to 41 U.S.C. 3301 et 

seq. per Pub. L. 111–315) and has 

determined that the ‘‘covered’’ 

construction language in the regulation 

is no longer required by law. Interior 

has removed all references to ‘‘covered’’ 

construction throughout the regulation. 

Removal of this language allows for the 

set-aside of construction contracts to 

IEEs. 

B. Expansion of Indian Economic 

Enterprises’ Ability To Subcontract 

Since Interior proposes to remove 

references to ‘‘covered’’ construction 

and allow IEEs to compete for all 

construction contracts, Interior has 

identified restrictions on IEEs that 

exceed restrictions in other government 

socio-economic set-aside programs. 

Currently, 48 CFR 1452.280–3 restricts 

the ability of IEEs from subcontracting 

more than 50% of the work to firms 

other than IEEs. This rule does not 

change the 50% subcontract limitation 

for supplies and services. However, the 

50% limitation is currently not 

consistent with FAR clause 52.219–14 

Limitation on Subcontracting which has 

different limitations for construction 

awards. This rule ensures that the 48 

CFR 1452.280–3 clause is consistent 

with the FAR 52.219–14 clause. The 

change will allow IEEs to subcontract 

up to 75% for construction by special 

trade contractors and 85% for general 

construction. Consistency with FAR 

clause 52.219–14 ensures equal 

treatment of IEEs in Federal 

procurement and removes 

subcontracting barriers for IEEs. 

C. Preference for Indian Small Business 

Economic Enterprises 

The rule revises 48 CFR 1480.4 to 

clarify and simplify the preferences 

granted to IEEs under the Buy Indian 

Act. The current language of section 

1480.403(b) directs Contracting Officers 

(CO) to solicit purchases as an 

unrestricted small business set-aside 

open to firms that are not Indian Small 

Business Economic Enterprises (ISBEE) 

when the CO determines two or more 

ISBEEs would not provide competitive 

offers and the CO has an approved 

deviation. This final rule deletes the 

existing language, because Interior has 

determined it is not fully compliant 

with the Buy Indian Act. 

The revised section 1480.401(c) adds 

language that the CO will give priority 

to ISBEEs for all purchases subject to 

the Buy Indian Act. The current 

language of 1480.4 only gives preference 

to ISBEEs when the purchase is 

commercial or a simplified acquisition. 

Section 1480.401(d) adds language that 

if a CO determines that there is not a 

reasonable expectation of obtaining 

competitive offers, then the CO will give 

priority to IEEs. The updated language 

also allows sole source awards to an 

ISBEE or IEE authorized under the FAR 

to be compliant with the Buy Indian 

Act. 


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