15098 Federal Register / Vol. 89, No. 42 / Friday, March 1, 2024 / Proposed Rules 

3See 81 FR 71613. 

is approvable because it is consistent 

with EPA requirements for major 

sources as described in EPA’ October 

18, 2016 rule.3Additionally, because 

this SIP revision addresses procedural 

requirements and not emissions or 

emissions increases, the submittal is 

approvable because it will not cause or 

contribute to a violation of any National 

Ambient Air Quality Standard 

(NAAQS), nor will it interfere with any 

applicable requirement concerning 

attainment or any other applicable CAA 

requirement, in accordance with CAA 

section 110(l). 

III. Proposed Action 

EPA is proposing to approve the 

Delaware SIP revision to subsections 

12.3.2 and 12.4.2 of 7 DE Admin Code 

1102, Permits, which was submitted on 

November 10, 2022. EPA is soliciting 

public comments on the proposed 

rulemaking for the next 30 days. 

Relevant comments will be considered 

before taking the final action. 

IV. Incorporation by Reference 

In this document, EPA is proposing to 

include in a final EPA rule regulatory 

text that includes incorporation by 

reference. In accordance with 

requirements of 1 CFR 51.5, EPA is 

proposing to incorporate by reference 

the amendments to subsections 12.3.2 

and 12.4.2 of DE 1102, as discussed in 

section I and II of this document. EPA 

has made, and will continue to make, 

these materials generally available 

through 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). 

V. Statutory and Executive Order 

Reviews 

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 proposed 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); and 

• 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. 

Executive Order 12898 (Federal 

Actions to Address Environmental 

Justice in Minority Populations and 

Low-Income Populations, 59 FR 7629, 

February 16, 1994) directs Federal 

agencies to identify and address 

‘‘disproportionately high and adverse 

human health or environmental effects’’ 

of their actions on minority populations 

and low-income populations to the 

greatest extent practicable and 

permitted by law. EPA defines 

environmental justice (E.J.) as ‘‘the fair 

treatment and meaningful involvement 

of all people regardless of race, color, 

national origin, or income with respect 

to the development, implementation, 

and enforcement of environmental laws, 

regulations, and policies.’’ EPA further 

defines the term fair treatment to mean 

that ‘‘no group of people should bear a 

disproportionate burden of 

environmental harms and risks, 

including those resulting from the 

negative environmental consequences of 

industrial, governmental, and 

commercial operations or programs and 

policies.’’ 

DNREC did not evaluate 

environmental justice considerations as 

part of its SIP submittal; the CAA and 

applicable implementing regulations 

neither prohibit nor require such an 

evaluation. EPA did not perform an E.J. 

analysis and did not consider E.J. in this 

proposed rulemaking. Due to the nature 

of the proposed action being taken here, 

where EPA is approving revisions of the 

state regulations to be consistent with 

notice and comment provisions 

previously established by EPA, this 

proposed rulemaking is expected to 

have a neutral to positive impact on the 

air quality of the affected area. 

In addition, this proposed rule, 

regarding Delaware’s amendments to 7 

DE Admin. Code 1102, 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. 

List of Subjects in 40 CFR Part 52 

Environmental protection, Air 

pollution control, Incorporation by 

reference, Nitrogen dioxide, Ozone, 

Reporting and recordkeeping 

requirements, Sulfur oxides, Volatile 

organic compounds. 

Adam Ortiz, 

Regional Administrator, Region III. 

[FR Doc. 2024–04366 Filed 2–29–24; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 52 

[EPA–R04–OAR–2023–0458; FRL–11759– 

01–R4] 

Air Plan Approval; Tennessee; 

Revisions to the Continuous Opacity 

Monitoring System Requirements 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Proposed rule. 

SUMMARY: The Environmental Protection 

Agency (EPA) is proposing to approve a 

State Implementation Plan (SIP) 

revision submitted by the State of 

Tennessee through the Department of 

Environment and Conservation (TDEC), 

Division of Air Pollution Control, via a 

letter dated September 28, 2022. The 

SIP revision seeks to modify the State’s 

required monitoring standards by 

adding exemptions to opacity 

monitoring requirements. EPA is 

proposing this action pursuant to the 

Clean Air Act (CAA or Act). 

DATES: Comments must be received on 

or before April 1, 2024. 

ADDRESSES: Submit your comments, 

identified by Docket ID No. EPA–R04– 

OAR–2023–0458 at regulations.gov. 

Follow the online instructions for 

submitting comments. Once submitted, 

comments cannot be edited or removed 


ddrumheller on DSK120RN23PROD with PROPOSALS1
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1EPA received the September 28, 2022, submittal 

on October 3, 2022. For clarity, throughout this 

notice EPA will refer to the October 3, 2022, 

submission by its cover letter date of September 28, 

2022. 

2See CAA section 110(l). 

3The monitoring requirements of Rule 1200–3– 

10–.02(1)(b) do not apply to new sources that are 

subject to new source performance standards under 

chapter 1200–3–16. See 1200–3–10–.02(1)(b)2. 

4See 74 FR 5072, 5073–5074 (January 28, 2009), 

and 40 CFR 60.42(c) and 60.42Da(a) and (b)(1). 

5See 40 CFR 60.45(b)(8); 40 CFR 60.49Da(a)(4)(ii). 

6The SIP revision states that Regulation 1200–3– 

16 is in the process of being repealed at the state 

level. The repeal was announced in a notice to the 

public by TDEC on May 2, 2023. 

7See 40 CFR 60.41 ‘‘Fossil-fuel-fired steam 

generating unit.’’ 

from Regulations.gov. EPA may publish 

any comment received to its public 

docket. Do not submit electronically any 

information you consider to be 

Confidential Business Information (CBI) 

or other information whose disclosure is 

restricted by statute. Multimedia 

submissions (audio, video, etc.) must be 

accompanied by a written comment. 

The written comment is considered the 

official comment and should include 

discussion of all points you wish to 

make. EPA will generally not consider 

comments or comment contents located 

outside of the primary submission (i.e., 

on the web, cloud, or other file sharing 

system). For additional submission 

methods, the full EPA public comment 

policy, information about CBI or 

multimedia submissions, and general 

guidance on making effective 

comments, please visit https://

www.epa.gov/dockets/commenting-epadockets. 

FOR FURTHER INFORMATION CONTACT: 

Faith Goddard, Multi-Air Pollutant 

Coordination Section, Air Planning and 

Implementation Branch, Air and 

Radiation Division, U.S. Environmental 

Protection Agency, Region 4, 61 Forsyth 

Street SW, Atlanta, GA 30303–8960. 

The telephone number is (404) 562– 

8757. Ms. Goddard can also be reached 

via electronic mail at Goddard.Faith@

epa.gov. 

SUPPLEMENTARY INFORMATION: 

I. Overview

EPA is proposing to approve a SIP

revision submitted by Tennessee via a 

letter dated September 28, 2022,1

seeking to revise chapter 1200–3–10, 

Required Sampling, Recording, and 

Reporting, of the Tennessee SIP. These 

changes seek to modify the State’s 

required monitoring standards. 

Specifically, the submission includes 

changes to add exemptions to opacity 

monitoring requirements at paragraph 

(1)(b)1. of Tennessee Rule 1200–3–10– 

.02, Monitoring of Source Emissions, 

Recording, and Reporting of the Same 

are Required. EPA is proposing to 

approve Tennessee’s September 28, 

2022, SIP revision because the State has 

demonstrated that the changes to the 

Rule will not interfere with any 

applicable requirement concerning 

attainment and reasonable further 

progress (as defined in section 171) or 

any other applicable requirement of the 

Act.2

II. Background

In accordance with 40 CFR 51.214,

each SIP must contain legally 

enforceable procedures to provide 

information as specified in appendix P 

of 40 CFR part 51. Appendix P, 

Minimum Emission Monitoring 

Requirements requires, with certain 

exceptions, each fossil fuel-fired steam 

generator of greater than 250 million 

British thermal units per hour (MMBtu/ 

hr) heat input and an annual average 

capacity factor of greater than 30 

percent, as reported to the Federal 

Power Commission for calendar year 

1974, or as otherwise demonstrated to 

the State by the owner or operator, to 

install, calibrate, maintain, and operate 

a continuous monitoring system for the 

measurement of opacity (COMS). 

Section 3.9 of appendix P, however, 

allows States to utilize different, but 

equivalent, procedures and 

requirements for continuous monitoring 

systems, provided the SIP includes a 

description of such alternative 

procedures for approval by EPA. 

Tennessee Rule 1200–3–10–.02(1)(b) 

establishes requirements for testing, 

monitoring, and record keeping for 

certain categories of air pollution 

sources. Subparagraph (i) of paragraph 

(1)(b)1. applies to existing fossil fuelfired steam generators with an annual 

average capacity factor of greater than 

30 percent, as reported to the Federal 

Power Commission for calendar year 

1974, or as otherwise demonstrated to 

the Technical Secretary by the owner or 

operator.3 The existing rule requires 

owners or operators of these fossil fuelfired steam generators with a heat input 

of 250 MMBtu/hr or greater to install, 

calibrate, maintain, and operate a 

COMS, except when only gaseous fuel 

is burned. Additionally, sources may be 

exempted from this requirement when 

oil or a mixture of gas and oil are the 

only fuels burned and the source can 

comply with applicable particulate 

matter (PM) and opacity regulations 

without the use of PM control 

equipment and has not been found to be 

in violation of any applicable visible 

emission standard requirement. These 

provisions are consistent with section 

2.1.1 of 40 CFR part 51, appendix P. 

Tennessee’s September 28, 2022, SIP 

revision revises requirements of Rule 

1200–3–10–.02(1)(b)1. to provide a third 

alternative for fossil fuel-fired steam 

generators to be exempted from the 

COMS requirement. The SIP revision is 

based on an approach to opacity 

monitoring in EPA’s New Source 

Performance Standards (NSPS) for 

steam generating units, at 40 CFR part 

60, subparts D and Da, and National 

Emission Standards for Hazardous Air 

Pollutants (NESHAP) for steam 

generating units, at 40 CFR part 63, 

subpart UUUUU. In amendments to the 

NSPS for steam generating units, EPA 

eliminated the opacity standard for 

certain facilities voluntarily using PM 

continuous emission monitoring 

systems (CEMS), provided that those 

facilities comply with a federally 

enforceable PM limit of 0.030 lb/MMBtu 

or less.4 In addition, subparts D and Da 

of 40 CFR part 60 eliminate the COMS 

requirement for affected facilities using 

continuous parametric monitoring 

systems (CPMS) for PM according to the 

requirements specified in subpart 

UUUUU of 40 CFR part 63, which 

establishes requirements for using PM 

CEMS and PM CPMS to demonstrate 

compliance with applicable PM 

emission limits.5

III. Analysis of Tennessee’s September

28, 2022, SIP Revision

The changes to Rule 1200–3–10– 

.02(1)(b) include the removal of a 

reference to Tennessee Rule 1200–3–16– 

.02 for the definition of fossil fuel-fired 

steam generators, because this Rule is 

not in the SIP and does not include a 

definition for fossil fuel-fired steam 

generators.6 Tennessee has added a 

statement at the end of subparagraph (i) 

of part (1)(b)1. to define a ‘‘fossil fuelfired steam generator’’ as ‘‘a furnace or 

boiler used in the process of burning 

fossil fuel for the purpose of producing 

steam by heat transfer.’’ EPA notes that 

this definition of fossil fuel-fired steam 

generator matches verbatim the NSPS 

definition of Fossil-fuel-fired steam 

generating unit at 40 CFR part 60, 

subpart D.7 Therefore, EPA is proposing 

to find that this definition for fossil-fuelfired steam generating unit is 

appropriate. 

As noted above, Regulation 1200–3– 

10–.02(1)(b)1., as revised, includes a 

third alternative for the subject fossil 

fuel-fired steam generators to be 

exempted from the COMS requirement. 

New subparagraph III of paragraph 

(1)(b)1.(i)(I) provides that sources are 

exempt from the COMS requirement if 

the owner or operator installs, certifies, 


ddrumheller on DSK120RN23PROD with PROPOSALS1
15100 Federal Register / Vol. 89, No. 42 / Friday, March 1, 2024 / Proposed Rules 

8See 40 CFR 63.9991(a)(1) and table 1 or table 2 

of subpart UUUUU. 9See 40 CFR 63.10010(h) or (i). 10See 40 CFR 63.10007(a)(1) and table 3 of 

subpart UUUUU. 11Under subpart UUUUU, only existing 

integrated gasification combined cycle (IGCC) units 

are subject to a higher PM limit than 0.030 lb/ 

MMBtu (0.040 lb/MMBtu), and Tennessee has no 

existing IGCC units. See Table 1 and table 2 of 

subpart UUUUU. 12See also footnotes 4 and 5. 13The Tennessee requirements for visible 

emissions exist at 1200–3–5–.03 in the Tennessee 

SIP. 

14The SIP revision identifies boiler number 1 at 

the TVA Bull Run facility, but that facility was shut 

down at the end of 2023. 

15EPA is not proposing to incorporate the August 

31, 2022, state effective version of 1200–3–10– 

.02(1)(b)1.(i)(II); 1200–3–10–.02(1)(b)1.(i)(III); and 

1200–3–10–.02(2)(b)2. into the SIP. The August 31, 

2022, version of the Rule removes 1200–3–10– 

.02(1)(b)1.(i)(II) and 1200–3–10–.02(1)(b)1.(i)(III) 

due to an administrative error and contains 

language changes to 1200–3–10–.02(2)(b)2. that are 

not before EPA for approval into the SIP. If EPA 

takes final action to approve the September 28, 

2022, SIP revision, the Agency will update the SIP 

table at 40 CFR 52.2220(c) to reflect these 

exceptions. 

operates, and maintains a PM CEMS or 

CPMS for PM according to the 

requirements of 40 CFR part 63, subpart 

UUUUU, and such PM CEMS or CPMS 

is subject to and complies with the 

relevant filterable PM standards,8

monitoring requirements,9 and work 

practice standards 10 of subpart 

UUUUU. Lastly, subparagraph IV is 

added to paragraph (1)(b)1.(i)(I) to adopt 

and incorporate the relevant standards 

of subpart UUUUU by reference. These 

revisions are consistent with EPA’s 

conclusions, as discussed in Section II 

of this preamble, that steam generating 

units complying with a federally 

enforceable PM limit of 0.030 lb/MMBtu 

or less 11 will operate with little or no 

visible emissions and that the use of a 

CEMS or CPMS for PM, at this level of 

the PM emissions, is sufficient to 

demonstrate compliance with 

applicable SIP opacity standards.12 EPA 

also notes that any applicable opacity 

standards in the SIP remain applicable 

and may be enforced with visible 

emissions methods under SIP-approved 

Rule 1200–3–5–.03.13

According to Tennessee’s September 

28, 2022, SIP submittal, several existing 

facilities in Tennessee are required to 

comply with Rule 1200–3–10– 

.02(1)(b)1., but only three coal-fired 

fossil fuel plants, operated by the 

Tennessee Valley Authority (TVA), are 

subject to 40 CFR part 63, subpart 

UUUUU and therefore impacted by this 

Rule revision. Specifically, the changes 

to the regulation impact boiler numbers 

1 through 9 at the Kingston facility, 

boiler numbers 1 through 4 at the 

Gallatin facility, and boiler numbers 1 

and 2 at the Cumberland facility.14

These facilities would be able to opt for 

the new alternative exemption from the 

COMS requirement based on 

compliance with continuous PM 

monitoring requirements. 

Section 110(l) of the CAA requires 

that a revision to the SIP not interfere 

with any applicable requirement 

concerning attainment and reasonable 

further progress (as defined in section 

171) or any other applicable 

requirement of the Act. As discussed 

above, using the new alternative 

approach, COMS to measure opacity 

would not be necessary for the subject 

fossil fuel-fired boilers since compliance 

with the PM mass emission limit and 

the continuous monitoring of 

compliance with that limit will render 

opacity negligible. Therefore, EPA is 

proposing to find that the proposed 

change to allow certain sources to use 

alternative monitoring procedures 

satisfies CAA section 110(l). 

IV. Incorporation by Reference 

In this document, EPA is proposing to 

include in a final EPA rule regulatory 

text that includes incorporation by 

reference. In accordance with 

requirements of 1 CFR 51.5, and as 

discussed in Sections I through III of 

this preamble, EPA is proposing to 

incorporate by reference TDEC 

Regulation 1200–3–10–.02, ‘‘Monitoring 

of Source Emissions, Recording, and 

Reporting of the Same are Required,’’ 15

State effective August 31, 2022, which 

revises exemptions to monitoring 

requirements. EPA has made, and will 

continue to make, these materials 

generally available through 

www.regulations.gov and at the EPA 

Region 4 office (please contact the 

person identified in the FOR FURTHER

INFORMATION CONTACT section of this 

preamble for more information). 

V. Proposed Action 

For the reasons explained above, EPA 

is proposing to approve Tennessee’s 

September 28, 2022, SIP revision 

seeking to amend air quality rules in the 

Tennessee SIP. Specifically, EPA is 

proposing to approve a revision to 

1200–3–10–.02, ‘‘Monitoring of Source 

Emissions, Recording, and Reporting of 

the Same are Required,’’ in the 

Tennessee SIP to allow for alternative 

monitoring procedures for certain 

sources because the revision is 

consistent with the CAA. 

IV. Statutory and Executive Order 

Reviews 

Under the CAA, the Administrator is 

required to approve a SIP submission 

that complies with the provisions of the 

CAA and applicable Federal regulations. 

See 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 proposed 

action merely proposes to approve State 

law as meeting Federal requirements 

and does not impose additional 

requirements beyond those imposed by 

State law. For that reason, this proposed 

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 14094 (88 FR 

21879, April 11, 2023); 

• 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 subject to Executive Order 

13045 (62 FR 19885, April 23, 1997) 

because it approves a State program; 

• Is not a significant regulatory action 

subject to Executive Order 13211 (66 FR 

28355, May 22, 2001); and 

• 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. 

In addition, the SIP is not approved 

to apply on any Indian reservation land 

or in any other area where EPA or an 

Indian Tribe has demonstrated that a 

Tribe has jurisdiction. In those areas of 

Indian country, the rule does not have 

tribal implications and will not impose 

substantial direct costs on tribal 

governments or preempt tribal law as 

specified by Executive Order 13175 (65 

FR 67249, November 9, 2000). 

Executive Order 12898 (Federal 

Actions To Address Environmental 

Justice in Minority Populations and 

Low-Income Populations, 59 FR 7629, 

February 16, 1994) directs Federal 

agencies to identify and address 

‘‘disproportionately high and adverse 

human health or environmental effects’’ 

of their actions on minority populations 


ddrumheller on DSK120RN23PROD with PROPOSALS1
Federal Register / Vol. 89, No. 42 / Friday, March 1, 2024 / Proposed Rules 15101 

and low-income populations to the 

greatest extent practicable and 

permitted by law. EPA defines 

environmental justice (EJ) as ‘‘the fair 

treatment and meaningful involvement 

of all people regardless of race, color, 

national origin, or income with respect 

to the development, implementation, 

and enforcement of environmental laws, 

regulations, and policies.’’ EPA further 

defines the term fair treatment to mean 

that ‘‘no group of people should bear a 

disproportionate burden of 

environmental harms and risks, 

including those resulting from the 

negative environmental consequences of 

industrial, governmental, and 

commercial operations or programs and 

policies.’’ 

TDEC did not evaluate EJ 

considerations as part of its SIP 

submittal; the CAA and applicable 

implementing regulations neither 

prohibit nor require such an evaluation. 

EPA did not perform an EJ analysis and 

did not consider EJ in this proposed 

action. Due to the nature of the action 

being proposed here, this proposed 

action is expected to have a neutral to 

positive impact on the air quality of the 

affected area. Consideration of EJ is not 

required as part of this proposed action, 

and there is no information in the 

record inconsistent with the stated goal 

of E.O. 12898 of achieving EJ for people 

of color, low-income populations, and 

Indigenous peoples. 

List of Subjects in 40 CFR Part 52 

Environmental protection, Air 

pollution control, Incorporation 

byreference, Intergovernmental 

relations, Particulate matter, Reporting 

and recordkeeping requirements. 

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

Dated: February 26, 2024. 

Jeaneanne Gettle, 

Acting Regional Administrator, Region 4. 

[FR Doc. 2024–04362 Filed 2–29–24; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 63 

[EPA–HQ–OAR–2022–0491; FRL–9992–01– 

OAR] 

RIN 2060–AV81 

EPA Method 320—Measurement of 

Vapor Phase Organic and Inorganic 

Emissions by Extractive Fourier 

Transform Infrared (FTIR) 

Spectroscopy 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Proposed rule. 

SUMMARY: This action proposes editorial 

and technical revisions to the 

Environmental Protection Agency’s 

(EPA’s) Method 320 (Measurement of 

Vapor Phase Organic and Inorganic 

Emissions by Extractive Fourier 

Transform Infrared (FTIR) 

Spectroscopy). The proposed revisions 

include updating the validation and 

quality assurance (QA) spiking 

procedures of the method to provide a 

more performance-based approach with 

specified acceptance criteria. The 

proposed revisions will provide 

flexibility to the stack testing 

community while ensuring consistent 

implementation and quality of the 

measurement results across emissions 

sources and facilities. 

DATES: Comments. Comments must be 

received on or before April 30, 2024. 

Public Hearing. The EPA will hold a 

virtual public hearing on March 29, 

2024 if a request for a virtual public 

hearing is received on or before March 

8, 2024. Refer to the SUPPLEMENTARY

INFORMATION section for additional 

information on the virtual public 

hearing. 

ADDRESSES: You may submit comments, 

identified by Docket ID No. EPA–HQ– 

OAR–2022–0491, by any of the 

following methods: 

• Federal eRulemaking Portal: 

https://www.regulations.gov/ (our 

preferred method). Follow the online 

instructions for submitting comments. 

• Email: a-and-r-docket@epa.gov. 

Include Docket ID No. EPA–HQ–OAR– 

2022–0491 in the subject line of the 

message. 

• Fax: (202) 566–9744. Attention 

Docket ID No. EPA–HQ–OAR–2022– 

0491. 

• Mail: U.S. Environmental 

Protection Agency, EPA Docket Center, 

Docket ID No. EPA–HQ–OAR–2022– 

0491, Mail Code 28221T, 1200 

Pennsylvania Avenue NW, Washington, 

DC 20460. 

• Hand/Courier Delivery: EPA Docket 

Center, WJC West Building, Room 3334, 

1301 Constitution Avenue NW, 

Washington, DC 20004. The Docket 

Center’s hours of operation are 8:30 

a.m.—4:30 p.m., Monday—Friday 

(except Federal Holidays). 

Instructions: All submissions received 

must include the Docket ID No. for this 

rulemaking. Comments received may be 

posted without change to https://

www.regulations.gov/, including any 

personal information provided. For 

detailed instructions on sending 

comments and additional information 

on the rulemaking process, see the 

‘‘Public Participation’’ heading of the 

SUPPLEMENTARY INFORMATION section of 

this document. 

FOR FURTHER INFORMATION CONTACT: Dr. 

David Nash, Office of Air Quality 

Planning and Standards, Air Quality 

Assessment Division (E143–02), 

Environmental Protection Agency, 

Research Triangle Park, NC 27711; 

telephone number: (919) 541–9425; fax 

number: (919) 541–0516; email address: 

nash.dave@epa.gov. 

SUPPLEMENTARY INFORMATION: 

Preamble acronyms and 

abbreviations. Throughout this 

document, the use of ‘‘we,’’ ‘‘us,’’ or 

‘‘our’’ is intended to refer to the EPA. 

We use multiple acronyms and terms in 

this preamble. While this list may not be 

exhaustive, to ease the reading of this 

preamble and for reference purposes, 

the EPA defines the following terms and 

acronyms here: 

ASTM American Society for Testing and 

Materials 

CAA Clean Air Act 

CBI Confidential Business Information 

CFR Code of Federal Regulations 

CTS calibration transfer standard 

EPA Environmental Protection Agency 

FTIR Fourier Transform Infrared 

FTP File Transfer Protocol 

IR infrared 

NAICS North American Industry 

Classification System 

NESHAP National Emissions Standards for 

Hazardous Air Pollutants 

NIST National Institute of Standards and 

Technology 

NSPS New Source Performance Standards 

NTTAA National Technology Transfer and 

Advancement Act 

OAQPS Office of Air Quality Planning and 

Standards OMB Office of Management and 

Budget 

PRA Paperwork Reduction Act 

PTFE polytetrafluoroethane 

QA quality assurance 

RFA Regulatory Flexibility Act 

SF6 sulfur hexafluoride 

TTN Technology Transfer Network 

UMRA Unfunded Mandates Reform Act 

VCS Voluntary Consensus Standard 

WJC William Jefferson Clinton 

mm micron 

Organization of this document. The 

information in this preamble is 

organized as follows: 

I. General Information 

A. Does this action apply to me? 

B. Where can I get a copy of this document 

and other related information? 

II. Public Participation 

A. Written Comments 

B. Participation in Virtual Public Hearing 

III. Background 

IV. Summary of Proposed Revisions to 

Method 320 

A. Section 1.0 (Introduction) 

B. Section 2.0 (Summary of Method) 

C. Section 3.0 (Definitions) 

D. Section 4.0 (Interferences) 


ddrumheller on DSK120RN23PROD with PROPOSALS1