48504 Federal Register / Vol. 86, No. 166 / Tuesday, August 31, 2021 / Rules and Regulations 

1Areas statutorily designated as mandatory Class 

I Federal areas consist of national parks exceeding 

6,000 acres, wilderness areas and national memorial 

parks exceeding 5,000 acres, and all international 

parks that were in existence on August 7, 1977. 42 

U.S.C. 7472(a). There are 156 mandatory Class I 

areas. The list of areas to which the requirements 

of the visibility protection program apply is in 40 

CFR part 81, subpart D. 

2 42 U.S.C. 7491(a)(1). 

3 In addition to the generally applicable regional 

haze provisions at 40 CFR 51.308, EPA also 

promulgated regulations specific to addressing 

regional haze visibility impairment in Class I areas 

on the Colorado Plateau at 40 CFR 51.309. The 

latter regulations are applicable only for specific 

jurisdictions’ regional haze plans submitted no later 

than December 17, 2007, and thus are not relevant 

here. 

agreements (such as contractors, 

attorneys, or subject matter experts), 

assisting the Commission in carrying 

out its duties; 

(4) Reviewing courts and their staffs; 

and 

(5) Court reporters, stenographers, or 

persons operating audio or video 

recording equipment for such court 

reporters or stenographers at hearings or 

depositions. 

* * * * * 

By the Commission. 

Erica A. Barker, 

Secretary. 

[FR Doc. 2021–18746 Filed 8–30–21; 8:45 am] 

BILLING CODE 7710–FW–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 52 

[EPA–R03–OAR–2020–0703; FRL–8837–02– 

R3] 

Approval and Promulgation of Air 

Quality Implementation Plans; District 

of Columbia; Regional Haze State 

Implementation Plan for the Second 

Implementation Period and 

Reasonably Available Control 

Technology for Major Stationary 

Sources of Nitrogen Oxides; Technical 

Amendment 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Final rule. 

SUMMARY: The Environmental Protection 

Agency (EPA) is approving a regional 

haze state implementation plan (SIP) 

revision submitted by the District of 

Columbia (‘‘the District’’ or ‘‘DC’’) 

through the Department of Energy and 

Environment (DOEE) on November 8, 

2019, as satisfying applicable 

requirements under the Clean Air Act 

(CAA) and EPA’s Regional Haze Rule 

(RHR) for the program’s second 

implementation period. The District’s 

SIP submission addressed the 

requirement that states must 

periodically revise their long-term 

strategies for making reasonable 

progress towards the national goal of 

preventing any future, and remedying 

any existing, anthropogenic impairment 

of visibility in mandatory Class I 

Federal Areas, including regional haze. 

EPA is taking this action pursuant to 

sections 110 and 169A of the CAA. EPA 

is also correcting an error in the 

citations in our previous final approval 

of the District’s revision to the 

Reasonably Available Control 

Technology for Major Stationary 

Sources of Nitrogen Oxides Rule (‘‘DC 

NOx RACT rule’’) according to our 

authority under section 110(k)(6) of the 

CAA. 

DATES: This final rule is effective on 

September 30, 2021. 

ADDRESSES: EPA has established a 

docket for this action under Docket ID 

Number EPA–R03–OAR–2020–0703. All 

documents in the docket are listed on 

the https://www.regulations.gov 

website. Although listed in the index, 

some information is not publicly 

available, e.g., confidential business 

information (CBI) or other information 

whose disclosure is restricted by statute. 

Certain other material, such as 

copyrighted material, is not placed on 

the internet and will be publicly 

available only in hard copy form. 

Publicly available docket materials are 

available through https://

www.regulations.gov, or please contact 

the person identified in the FOR FURTHER

INFORMATION CONTACT section for 

additional availability information. 

FOR FURTHER INFORMATION CONTACT: 

Keila M. Paga ́n-Incle, Planning & 

Implementation Branch (3AD30), Air & 

Radiation Division, U.S. Environmental 

Protection Agency, Region III, 1650 

Arch Street, Philadelphia, Pennsylvania 

19103. The telephone number is (215) 

814–2926. Ms. Paga ́n-Incle can also be 

reached via electronic mail at paganincle.keila@epa.gov. 

SUPPLEMENTARY INFORMATION: 

I. Background 

On April 15, 2021, EPA published a 

notice of proposed rulemaking (NPRM) 

for the District. 86 FR 19793. The NPRM 

proposed approval of DC’s regional haze 

plan for the second implementation 

period (‘‘DC DOEE 2019 Regional Haze 

SIP submission’’), which runs through 

2028. 

In the 1977 CAA amendments, 

Congress created a program for 

protecting visibility in the nation’s 

mandatory Class I Federal areas, which 

include certain national parks and 

wilderness areas.1 42 U.S.C 7491. The 

CAA establishes as a national goal the 

‘‘prevention of any future, and the 

remedying of any existing, impairment 

of visibility in mandatory Class I 

Federal areas which impairment results 

from manmade air pollution’’,2 and 

directs EPA to promulgate regulations to 

assure reasonable progress toward 

meeting this national goal. 42 U.S.C. 

7491(a)(4). On July 1, 1999, EPA 

promulgated the RHR, which is codified 

at 40 CFR 51.308.3 See 64 FR 35714. 

Additional background and information 

about regional haze and the regional 

haze program is included in the April 

15, 2021 proposal. 86 FR 19793. 

To address regional haze visibility 

impairment, the 1999 RHR established 

an iterative planning process that 

requires states in which Class I areas are 

located and states ‘‘the emissions from 

which may reasonably be anticipated to 

cause or contribute to any impairment 

of visibility’’ in a Class I area to 

periodically submit SIP revisions to 

address regional haze visibility 

impairment. 42 U.S.C. 7491(b)(2); 40 

CFR 51.308(b) and (f); see also 64 FR 

35768 (July 1, 1999). Under the CAA, 

each SIP submission must contain ‘‘a 

long-term (ten to fifteen years) strategy 

for making reasonable progress toward 

meeting the national goal.’’ 42 U.S.C. 

7491(b)(2)(B). States’ first regional haze 

SIP submissions were due by December 

17, 2007, 40 CFR 51.308(b), with 

subsequent SIP submissions containing 

revised long-term strategies originally 

due July 31, 2018, and every ten years 

thereafter. 64 FR 35768. 

On January 10, 2017, EPA 

promulgated revisions to the RHR that 

apply for the second and subsequent 

implementation periods. 82 FR 3078. 

The revisions to the regional haze 

program focused on the requirement 

that States’ SIPs contain long-term 

strategies for making reasonable 

progress towards the national visibility 

goal. Among other changes relative to 

the first period requirements, the 2017 

RHR Revisions adjusted the deadline for 

States to submit their secondimplementation-period SIP revisions 

from July 31, 2018 to July 31, 2021, 

clarified the order of analysis and the 

relationship between the reasonable 

progress goals (RPGs) and the long-term 

strategy, and focused on making 

visibility improvements on the days 

with the most anthropogenic visibility 

impairment, as opposed to the days 

with the most visibility impairment 

overall. EPA has issued several 

guidance documents relevant to SIP 

development for the second 


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Federal Register / Vol. 86, No. 166 / Tuesday, August 31, 2021 / Rules and Regulations 48505 

4 Guidance on Regional Haze State 

Implementation Plans for the Second 

Implementation Period. Available at: https://

www.epa.gov/visibility/guidance-regional-hazestate-implementation-plans-secondimplementation-period EPA Office of Air Quality 

Planning and Standards, Research Triangle Park 

(August 20, 2019). 

implementation period, including the 

August 2019 ‘‘Guidance on Regional 

Haze State Implementation Plans for the 

Second Implementation Period’’ (‘‘2019 

Guidance’’).4

Because the air pollutants and 

pollution affecting visibility in Class I 

areas can be transported over long 

distances, successful implementation of 

the regional haze program requires longterm, regional coordination among 

multiple jurisdictions and agencies that 

have responsibility for Class I areas and 

the emissions that impact visibility in 

those areas. In order to address regional 

haze, states need to develop strategies in 

coordination with one another, 

considering the effect of emissions from 

one jurisdiction on the air quality in 

another. Five regional planning 

organizations (RPOs), which include 

representation from state and tribal 

governments, EPA, and federal land 

managers (FLMs), were developed in the 

lead-up to the first implementation 

period to address regional haze. RPOs 

evaluate technical information to better 

understand how emissions from state 

and tribal land impact Class I areas 

across the country, pursue the 

development of regional strategies to 

reduce emissions of particulate matter 

and other pollutants leading to regional 

haze, and help states meet the 

consultation requirements of the RHR. 

One of the five RPOs described above 

is the Mid-Atlantic/Northeast Visibility 

Union (MANE–VU). MANE–VU is a 

collaborative effort of state governments, 

tribal governments, and various Federal 

agencies established to initiate and 

coordinate activities associated with the 

management of regional haze, visibility, 

and other air quality issues in the MidAtlantic and Northeast corridor of the 

United States. The District, as well as 

other states and tribal governments 

along the Mid-Atlantic and Northeast 

corridor, are members of MANE–VU. 

EPA published a final rule fully 

approving the DC regional haze SIP 

submission for the first implementation 

period on February 2, 2012 (77 FR 

5191), and approved a five-year progress 

report as a SIP revision into the DC SIP 

on August 10, 2017 (82 FR 37305). On 

November 8, 2019, the District 

submitted another SIP revision, 

developed with the technical 

information from MANE–VU, to address 

the jurisdiction’s regional haze 

obligations for the second 

implementation period, which runs 

through 2028. On April 15, 2021, EPA 

proposed to approve the DC DOEE 2019 

Regional Haze SIP submission as 

meeting the applicable statutory and 

regulatory requirements. 86 FR 19793. 

In the April 15, 2021 publication, EPA 

also proposed to correct an error in the 

citations of the regulatory provisions in 

a previous action—the final rule (FR) 

and identification of plan of the DC NOx 

RACT rule (February 24, 2020, 85 FR 

10295)—according to our authority to 

make corrections to prior SIP actions 

under Section 110(k)(6) of the CAA. As 

we noted in the NPRM, the DC DOEE 

2019 Regional Haze SIP submission 

relies in part on this rule. 

II. Summary of SIP Revision and EPA 

Analysis 

Under the CAA and EPA’s 

regulations, each state, including the 

District, must include in its SIP a longterm (ten to fifteen years) strategy for 

making reasonable progress toward 

meeting the national goal of remedying 

any existing and preventing any future 

anthropogenic visibility impairment in 

Class I areas. 42 U.S.C. 7491(b)(2)(B). To 

this end, 40 CFR 51.308(f) lays out the 

process by which states determine what 

constitutes their long-term strategies, 

with the order of the requirements in 40 

CFR 51.308(f)(1) through (3) generally 

mirroring the order of the steps in the 

reasonable progress analysis and (f)(4) 

through (6) containing additional, 

related requirements. In addition, the 

SIP submissions for the second 

implementation period must address the 

requirements in 40 CFR 51.308(g)(1) 

through (5) pertaining to periodic 

reports describing progress towards the 

RPGs, 40 CFR 51.308(f)(5), as well as 

requirements for FLM consultation that 

apply to all visibility protection SIPs 

and SIP revisions. 40 CFR 51.309(i). 

As discussed in the April 15, 2021 (86 

FR 19793) NPRM, in accordance with 

CAA sections 169A and the RHR at 40 

CFR 51.308(f), on November 8, 2019, DC 

DOEE submitted a revision to the DC 

SIP to address the jurisdiction’s regional 

haze obligations for the second 

implementation period. The revision 

included the analyses conducted by 

MANE–VU and the District’s 

determinations based on those analyses; 

the District’s long-term strategy for 

making reasonable progress; and the 

District’s assessment of progress made 

since the first implementation period in 

reducing emissions of visibility 

impairing pollutants and the visibility 

improvement progress at nearby Class I 

areas. EPA evaluated the District’s 

submission against the requirements of 

the CAA and RHR for the second 

implementation period of the regional 

haze program. The following is a 

summary of selected components of the 

District’s SIP submission; EPA’s full 

evaluation of the complete submission 

against all applicable regional haze 

requirements for the second 

implementation period is contained in 

Section IV of the April 15, 2021 NPRM. 

The core component of a regional 

haze SIP submission is a long-term 

strategy that addresses regional haze in 

each Class I area within a state’s borders 

and each Class I area that may be 

affected by emissions from the state. 

The long-term strategy ‘‘must include 

the enforceable emissions limitations, 

compliance schedules, and other 

measures that are necessary to make 

reasonable progress, as determined 

pursuant to [40 CFR 51.308](f)(2)(i) 

through (iv).’’ 40 CFR 51.308(f)(2). The 

amount of progress that is ‘‘reasonable 

progress’’ is determined by applying the 

four statutory factors in CAA section 

169A(g)(1) in an evaluation of potential 

control options for sources of visibility 

impairing pollutants, which is referred 

to as a ‘‘four-factor’’ analysis. The RHR 

refers to the controls identified pursuant 

to a four-factor analysis as ‘‘emission 

reduction measures,’’ see 40 CFR 

51.308(f)(2)(i); these measures represent 

the level of emissions that a particular 

source or group of sources need to 

achieve to make reasonable progress 

towards the national visibility goal. 

States’ SIPs must include ‘‘enforceable 

emissions limitations, compliance 

schedules, and other measures’’ (i.e., 

any compliance tools) for the emission 

reduction measures they have 

determined are necessary to make 

reasonable progress pursuant to fourfactor analysis. 40 CFR 51.308(f)(2). 

MANE–VU’s strategy, on which the 

District relied to satisfy its requirements 

for the second implementation period, 

included a combination of (1) measures 

for certain source sectors and groups of 

sources that the RPO determined were 

reasonable for states to pursue, and (2) 

a request for member states to conduct 

four-factor analyses for individual 

sources that it identified as contributing 

to visibility impairment. MANE–VU 

developed a set of emissions reduction 

measures for making reasonable 

progress in the five MANE–VU Class I 

areas. MANE–VU refers to each of the 

components of its overall strategy as an 

‘‘Ask’’ of its member states. The 

District’s submission discussed each of 

the Asks and explained why or why not 

each is applicable and how it has 

complied with the relevant components 

of the emissions control strategy 

MANE–VU has laid out for its states. A 


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48506 Federal Register / Vol. 86, No. 166 / Tuesday, August 31, 2021 / Rules and Regulations 

detailed description about the District’s 

response to the six MANE–VU Asks and 

EPA’s evaluation of the District’s 

responses and compliance with 40 CFR 

51.308(f)(2)(i) can be found in Section 

IV. E. of the April 15, 2021 NPRM. 

The NPRM also sets out at length the 

other requirements in the RHR that the 

DC DOEE 2019 Regional Haze SIP 

submission must meet to be approved, 

EPA’s evaluation of the DC DOEE 2019 

Regional Haze SIP submission against 

those requirements, and EPA’s 

conclusion that the District has met its 

requirements under 40 CFR 51.308 with 

respect to its regional haze SIP for the 

second implementation period, the DC 

DOEE 2019 Regional Haze SIP 

submission. In particular, EPA 

evaluated these requirements, as set 

forth in the NPRM, including: (1) 

Monitoring strategy and other 

implementation plan requirements; (2) 

requirements for RPG; and (3) 

requirements for state and FLM 

coordination. These other specific 

requirements of the CAA and EPA’s 

RHR, and the rationale for EPA’s 

proposed action, are more fully 

explained in the NPRM and will not be 

restated here. 

III. EPA’s Response to Comments 

Received 

EPA received one comment 

supporting our proposed action in the 

April 15, 2021 NPRM. The comment 

received is in the docket for this 

rulemaking action. EPA received no 

adverse comments. 

IV. Final Action 

EPA is approving the revision to the 

District of Columbia SIP submitted by 

the District through DC DOEE on 

November 8, 2019. EPA is approving the 

District’s SIP submission as satisfying 

the regional haze requirements for the 

second implementation period. 

V. Incorporation by Reference 

In addition, EPA is correcting errors 

in the regulatory citation in our 

February 24, 2020 (85 FR 10295) final 

action on the DC NOX RACT rule and 

is codifying this correction by revising 

the appropriate entries under 40 CFR 

52.470 (Identification of Plan). EPA 

approved the District’s revision to the 

DC NOX RACT rule (20 DCMR 805) into 

the SIP on February 24, 2020. 85 FR 

10295. However, after we finalized the 

rulemaking, EPA discovered that we 

had erred in identifying the particular 

sections of the DC NOX RACT rule for 

incorporation by reference into the DC 

SIP. EPA is amending the table in 

paragraph (c) of 40 CFR 52.470 to 

correctly reflect our intended approval 

of 20 DCMR sections 805.1(a), 

805.1(a)(2), 805.4(a), and 805.4(b), 

described as follows. 

EPA has made, and will continue to 

make, these materials generally 

available through https://

www.regulations.gov and at the EPA 

Region III Office (please contact the 

person identified in the FOR FURTHER

INFORMATION CONTACT section of this 

preamble for more information). 

Amendments to 20 District of 

Columbia Municipal Regulations (20 

DCMR) Chapter 8, section 805.4: 

a. Amending sections 805.4(a)(1) and 

(2) to set NOX emission limitations for 

any stationary combustion turbines with 

a heat input rating greater than fifty 

million (50,000,000) BTU per hour; 

b. Amending section 805.4(a)(3) to set 

NOX emission limitations for certain 

stationary combustion turbines with a 

heat input rating less than or equal to 

fifty million (50,000,000) BTU per hour; 

c. Amending section 805.4(a)(4) to set 

NOX emission limitations for certain 

stationary combustion turbines with a 

heat input rating less than or equal to 

ten million (10,000,000) BTU per hour; 

d. Amending section 805.4(b) to 

replace requirements for stationary 

combustion turbines with an energy 

input capacity of one hundred million 

(100,000,000) BTU per hour or greater 

which is operated for less than five 

hundred (500) hours per year with 

testing and continuous monitoring 

requirements for any person required to 

comply with section 805.4. 

These regulatory changes to section 

805 were adopted on November 27, 

2018, and effective on the date of 

publication, December 14, 2018, in the 

District of Columbia Register (Vol. 65, 

Number 51, page 013499, December 14, 

2018). 

VI. Statutory and Executive Order 

Reviews 

A. General Requirements 

Under the CAA, the Administrator is 

required to approve a SIP submission 

that complies with the provisions of the 

CAA and applicable Federal regulations. 

42 U.S.C. 7410(k); 40 CFR 52.02(a). 

Thus, in reviewing SIP submissions, 

EPA’s role is to approve state choices, 

provided that they meet the criteria of 

the CAA. Accordingly, this action 

merely approves state law as meeting 

Federal requirements and does not 

impose additional requirements beyond 

those imposed by state law. For that 

reason, this action: 

• Is not a ‘‘significant regulatory 

action’’ subject to review by the Office 

of Management and Budget under 

Executive Orders 12866 (58 FR 51735, 

October 4, 1993) and 13563 (76 FR 3821, 

January 21, 2011); 

• Does not impose an information 

collection burden under the provisions 

of the Paperwork Reduction Act (44 

U.S.C. 3501 et seq.); 

• Is certified as not having a 

significant economic impact on a 

substantial number of small entities 

under the Regulatory Flexibility Act (5 

U.S.C. 601 et seq.); 

• Does not contain any unfunded 

mandate or significantly or uniquely 

affect small governments, as described 

in the Unfunded Mandates Reform Act 

of 1995 (Pub. L. 104–4); 

• Does not have federalism 

implications as specified in Executive 

Order 13132 (64 FR 43255, August 10, 

1999); 

• Is not an economically significant 

regulatory action based on health or 

safety risks subject to Executive Order 

13045 (62 FR 19885, April 23, 1997); 

• Is not a significant regulatory action 

subject to Executive Order 13211 (66 FR 

28355, May 22, 2001); 

• Is not subject to requirements of 

section 12(d) of the National 

Technology Transfer and Advancement 

Act of 1995 (15 U.S.C. 272 note) because 

application of those requirements would 

be inconsistent with the CAA; and 

• Does not provide EPA with the 

discretionary authority to address, as 

appropriate, disproportionate human 

health or environmental effects, using 

practicable and legally permissible 

methods, under Executive Order 12898 

(59 FR 7629, February 16, 1994). 

In addition, this rule does not have 

tribal implications as specified by 

Executive Order 13175 (65 FR 67249, 

November 9, 2000), because the SIP is 

not approved to apply in Indian country 

located in the State, and EPA notes that 

it will not impose substantial direct 

costs on tribal governments or preempt 

tribal law. 

B. Submission to Congress and the 

Comptroller General 

The Congressional Review Act, 5 

U.S.C. 801 et seq., as added by the Small 

Business Regulatory Enforcement 

Fairness Act of 1996, generally provides 

that before a rule may take effect, the 

agency promulgating the rule must 

submit a rule report, which includes a 

copy of the rule, to each House of the 

Congress and to the Comptroller General 

of the United States. EPA will submit a 

report containing this action 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. A major rule 

cannot take effect until 60 days after it 


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Federal Register / Vol. 86, No. 166 / Tuesday, August 31, 2021 / Rules and Regulations 48507 

is published in the Federal Register. 

This action is not a ‘‘major rule’’ as 

defined by 5 U.S.C. 804(2). 

C. Petitions for Judicial Review 

Under section 307(b)(1) of the CAA, 

petitions for judicial review of this 

action must be filed in the United States 

Court of Appeals for the appropriate 

circuit by November 1, 2021. Filing a 

petition for reconsideration by the 

Administrator of this final rule does not 

affect the finality of this action for the 

purposes of judicial review nor does it 

extend the time within which a petition 

for judicial review may be filed, and 

shall not postpone the effectiveness of 

such rule or action. 

This action pertaining to the District’s 

regional haze state implementation plan 

for the second implementation period 

and correction for the RACT rule for 

major stationary sources of NOX may 

not be challenged later in proceedings to 

enforce its requirements. (See section 

307(b)(2).) 

List of Subjects in 40 CFR Part 52 

Environmental protection, Air 

pollution control, Incorporation by 

reference, Nitrogen dioxide, Ozone, 

Particulate matter, Sulfur oxides. 

Dated: August 11, 2021. 

Diana Esher, 

Acting Regional Administrator, Region III. 

For the reasons stated in the 

preamble, the EPA amends 40 CFR part 

52 as follows: 

PART 52—APPROVAL AND 

PROMULGATION OF 

IMPLEMENTATION PLANS 

■ 1. The authority citation for part 52 

continues to read as follows: 

Authority: 42 U.S.C. 7401 et seq. 

Subpart J—District of Columbia 

■ 2. Amend § 52.470: 

■ a. In the table in paragraph (c), by 

revising the entry for ‘‘Section 805’’; and 

■ b. In the table in paragraph (e), by 

adding the entry ‘‘Regional Haze State 

Implementation Plan for the Second 

Implementation Period’’ at the end of 

the table. 

The revision and addition read as 

follows: 

§ 52.470 Identification of plan. 

* * * * * 

(c) * * * 

EPA—APPROVED REGULATIONS AND STATUTES IN THE DISTRICT OF COLUMBIA

State citation Title/subject State effective 

date EPA approval date Additional explanation 

*******

Chapter 8 Asbestos, Sulfur and Nitrogen Oxides 

*******

Section 805 ............. Reasonably Available Control Technology for Major Stationary Sources 

of Nitrogen Oxides.

12/14/2018 8/31/2021, [insert 

Federal Register 

citation].

Amended 805.1(a), 805.1(a)(2), and 

805.4 (a) and (b). Previous approval 

(see the Federal Register of 2/24/ 

2020) corrected to include accurate 

citation of amendments to DC NOx 

RACT rule. 

* * * * * * * 

* * * * * (e) * * * 

Name of non-regulatory SIP 

revision Applicable geographic area State submittal date EPA approval date Additional explanation 

*******

Regional Haze State Implementation Plan for the Second Implementation Period.Statewide ............................... 11/8/2019 8/31/2021, [insert Federal 

Register citation].

For the Regional Haze Second Implementation Period. 

[FR Doc. 2021–17952 Filed 8–30–21; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 180 

[EPA–HQ–OPP–2020–0475; FRL–8763–01– 

OCSPP] 

Acequinocyl; Pesticide Tolerances 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Final rule. 

SUMMARY: This regulation establishes 

tolerances for residues of acequinocyl in 

or on tropical and subtropical, medium 

to large fruit, smooth, inedible peel 

subgroup 24B. The Interregional Project 

Number 4 (IR–4) requested this 

tolerance under the Federal Food, Drug, 

and Cosmetic Act (FFDCA). 

DATES: This regulation is effective 

August 31, 2021. Objections and 

requests for hearings must be received 

on or before November 1, 2021, and 

must be filed in accordance with the 


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