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7The OTC modeling results are available in the 

‘‘Technical Support Document for the 2011 Ozone 

Transport Commission/Mid-Atlantic Northeastern 

Visibility Union Modeling Platform’’, November 15, 

2016 in the docket for this action. 8The design values are available on the EPA’s 

website at: www.epa.gov/air-trends/air-qualitydesign-values#report. The 2015–2017 DV is 0.083 

ppm, the 2016–2018 DV is 0.082 ppm and the 

2017–2019 DV is 0.082 ppm. 

results from the Ozone Transport 

Commission’s (OTC’s) SIP air quality 

modeling.7 The model used by the OTC 

was the Community Multi-scale Air 

Quality Model version 5.0.2 (CMAQ). 

This model is a photochemical grid 

model capable of simulating ozone 

production on a regional or national 

scale. The OTC CMAQ model projected 

2015–2017 design value results 

indicating that all air quality monitors 

in the NY-NJ-CT nonattainment area 

will attain the 1997 ozone NAAQS in 

2017. 

In summary, the photochemical grid 

modeling used by New Jersey and New 

York in their SIP submittals to 

demonstrate attainment of the 1997 

ozone NAAQS meets the EPA’s 

guidelines and is acceptable to the EPA. 

Air quality monitoring data for 2014– 

2016 also demonstrates attainment of 

the 1997 8-hour ozone standard 

throughout the NY-NJ-CT area, as have 

the subsequent design values for 2015– 

2017, 2016–2018 and 2017–2019.8 The 

purpose of the attainment 

demonstration is to demonstrate how, 

through enforceable and approvable 

emission reductions, an area will meet 

the standard by the attainment date. 

New York and New Jersey have already 

adopted, submitted, approved and 

implemented all necessary ozone 

control measures necessary for 

attainment of the 1997 ozone NAAQS. 

Based on: (1) The States following the 

EPA’s modeling guidance, (2) the 

modeled attainment of 1997 standard, 

(3) the air quality monitoring data for 

2014–2016, 2015–2017, 2016–2018, 

2017–2019, and (4) the implemented 

SIP-approved control measures, the EPA 

is proposing to approve the attainment 

demonstration analyses for the 1997 

ozone NAAQS for the New Jersey and 

New York portion of the NY-NJ-CT area. 

The EPA is not taking action on the 

other elements of the State submittals. 

V. Proposed Action 

The EPA has evaluated the 

information provided by New Jersey and 

New York and has considered all other 

information it deems relevant to a 

demonstration of attainment of the 1997 

8-hour ozone standard and the 

continued attainment of the 1997 8-hour 

ozone standard based on the modeling, 

the quality assured and certified 

monitoring data, and the 

implementation of the more stringent 

2008 8-hour ozone standard. The EPA is 

therefore proposing to approve New 

Jersey’s and New York’s attainment 

demonstrations for the states’ respective 

portions of the NY-NJ-CT area for the 

1997 ozone NAAQS. This proposed 

rulemaking is intended to address the 

EPA’s obligations to act on the 1997 8- 

hour standard attainment demonstration 

portions of the New Jersey January 2, 

2018 submittal and the New York 

November 13, 2017 submittal 

addressing the NY-NJ-CT nonattainment 

area. 

The EPA is soliciting public 

comments on the issues discussed in 

this proposal. Any timely comment 

submitted will be considered before the 

EPA takes final action. Interested parties 

may participate in the Federal 

rulemaking procedure by submitting 

written comments as discussed in the 

ADDRESSES section of this rulemaking. 

VI. 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 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 Order 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 proposed rulemaking 

action, pertaining to New York’s and 

New Jersey’s 1997 8-hour ozone 

attainment demonstration submissions 

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). 

List of Subjects in 40 CFR Part 52 

Environmental protection, Air 

pollution control, Incorporation by 

reference, Nitrogen dioxide, 

Intergovernmental relations, Ozone, 

Reporting and recordkeeping 

requirements, Particulate matter, 

Volatile organic compounds. 

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

Dated: June 8, 2021. 

Walter Mugdan, 

Acting Regional Administrator, Region 2. 

[FR Doc. 2021–12621 Filed 6–17–21; 4:15 pm] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 52 

[EPA–R05–OAR–2020–0544, EPA–R05– 

OAR–2021–0144; FRL–10024–94–Region 5] 

Air Plan Approval; Illinois; National 

Ambient Air Quality Standards 

Updates; Reference and Equivalent 

Methods Updates 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Proposed rule. 

SUMMARY: The Environmental Protection 

Agency (EPA) is proposing to approve 


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several revisions to the Illinois State 

Implementation Plan (SIP). First, EPA is 

proposing to approve amendments to 

the Illinois SIP that incorporate by 

reference EPA’s current national 

ambient air quality standard (NAAQS) 

for ozone, particulate matter, lead, 

nitrogen dioxide, and sulfur oxides. 

Second, EPA is proposing to approve 

revisions to the Illinois SIP that 

incorporate by reference current Federal 

Reference Methods (FRMs) for 

monitoring carbon monoxide, ozone, 

particulate matter, lead, nitrogen 

dioxide, and sulfur oxides. Third, EPA 

is proposing to approve an amendment 

to the Illinois SIP that reflects a recent 

update to EPA’s List of Designated 

Reference and Equivalent Methods. 

Lastly, EPA is also proposing to approve 

minor revisions and corrections to the 

Illinois SIP. 

DATES: Comments must be received on 

or before July 21, 2021. 

ADDRESSES: Submit your comments, 

identified by Docket ID Nos. EPA–R05– 

OAR–2020–0544 and EPA–R05–OAR– 

2021–0144 at http://

www.regulations.gov, or via email to 

blakley.pamela@epa.gov. For comments 

submitted at Regulations.gov, follow the 

online instructions for submitting 

comments. Once submitted, comments 

cannot be edited or removed from 

Regulations.gov. For either manner of 

submission, 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, please contact the person 

identified in the FOR FURTHER

INFORMATION CONTACT section. For the 

full EPA public comment policy, 

information about CBI or multimedia 

submissions, and general guidance on 

making effective comments, please visit 

http://www2.epa.gov/dockets/ 

commenting-epa-dockets. 

FOR FURTHER INFORMATION CONTACT: 

Anthony Maietta, Environmental 

Protection Specialist, Control Strategies 

Section, Air Programs Branch (AR–18J), 

Environmental Protection Agency, 

Region 5, 77 West Jackson Boulevard, 

Chicago, Illinois 60604, (312) 353–8777, 

maietta.anthony@epa.gov. The EPA 

Region 5 office is open from 8:30 a.m. 

to 4:30 p.m., Monday through Friday, 

excluding Federal holidays and facility 

closures due to COVID–19. 

SUPPLEMENTARY INFORMATION: 

Throughout this document whenever 

‘‘we,’’ ‘‘us,’’ or ‘‘our’’ is used, we mean 

EPA. This supplementary information 

section is arranged as follows: 

I. Background 

II. EPA’s Analysis of the SIP Amendments 

III. What action is EPA taking? 

IV. Incorporation by Reference 

V. Statutory and Executive Order Reviews 

I. Background 

On October 20, 2020 and February 16, 

2021, the Illinois Environmental 

Protection Agency (IEPA) requested that 

EPA approve amendments to the Illinois 

SIP. The following sections of Title 35 

of the Illinois Administrative Code 

(IAC), Part 243, Subpart A: General 

Provisions were amended: 243.101 

Definitions, 243.102 Scope, 243.105 Air 

Quality Monitoring Data Influenced by 

Exceptional Events, 243.107 Reference 

Conditions, and 243.108 Incorporations 

by Reference. The SIP revisions also 

amend the following sections of 35 IAC 

Part 243, Subpart B: Standards and 

Measurement Methods: 243.120 PM10

and PM2.5; 243.122 Sulfur Oxides 

(Sulfur Dioxide); 243.123 Carbon 

Monoxide; 243.124 Nitrogen Oxides 

(Nitrogen Dioxide as Indicator); and 

243.126 Lead. 

The Illinois Pollution Control Board 

(IPCB) adopted these SIP amendments 

in four different state actions. Three of 

those actions, R19–14 (July 1, 2018 

through December 31, 2018), R20–3 

(January 1, 2019 through June 30, 2019), 

and R20–11 (July 1, 2019 through 

December 31, 2019), were consolidated 

into a single docket by IPCB called R19– 

14/R20–3/R20–11 (Consolidated) and a 

proposal of the consolidated 

amendments was published in the 

Illinois Register on June 5, 2020. IPCB 

held a public hearing on the 

consolidated rulemakings on July 16, 

2020, with remote access because of the 

coronavirus pandemic. A public 

comment was received requesting 

clarification on a potential error in the 

proposed amendment, and in response 

the error was recognized and corrected 

by IPCB. A final notice of adopted 

amendments was published in the 

Illinois Register on September 4, 2020 

with an effective date of August 18, 

2020. 

The proposed amendments contained 

in the fourth state action, R21–1, were 

published in the Illinois Register on 

October 2, 2020. IPCB held a public 

hearing on R21–1 on November 19, 

2020, with remote access because of the 

coronavirus pandemic. A public 

comment was received requesting to 

add punctuation to an abbreviation 

contained in the amended rules, and the 

request was responded to and fulfilled 

by the IPCB. A final notice of adopted 

amendments was published in the 

Illinois Register on January 4, 2021 with 

an effective date of December 17, 2020. 

II. EPA’s Analysis of the SIP 

Amendments 

Section 10(H) of the Illinois 

Environmental Protection Act at 

Chapter 415 of the Illinois Compiled 

Statutes directs IPCB to adopt ambient 

air quality standards that are identical 

in substance to the NAAQS 

promulgated by EPA. Illinois requested 

the amendments to 35 IAC Part 243 be 

approved into the Illinois SIP to meet 

this state requirement. The amendments 

contained in the October 20, 2020 and 

February 16, 2021 submittals update the 

air quality standards, revise FRMs, and 

provide corrections and grammatical 

revisions that increase the clarity of the 

rules. 

Amendments to 35 IAC 243.101 

There were several amendments to 35 

IAC 243.101 Definitions in the February 

16, 2021 submittal. Under the 

definitions of ‘‘Exceptional event’’, 

‘‘Federal equivalent method’’, and 

‘‘Federal reference method’’, the word 

‘‘which’’ has been replaced with ‘‘that’’. 

In all three cases, the revisions are 

grammar corrections and do not change 

the meaning of the definitions but do 

help make these definitions clearer to 

the reader and therefore are approvable. 

Reference years for Code of Federal 

Regulations (CFR) citations have been 

removed from the definition of ‘‘Federal 

land manager’’, which is approvable 

because they do not affect the citations 

listed, instead they will reference the 

most current edition of the CFR. The 

definition of ‘‘USEPA’’ was revised to 

replace ‘‘where’’ with ‘‘if’’ when 

describing the use of ‘‘USEPA’’ in 

context of quoting EPA using the word 

‘‘Administrator’’. These revisions are 

approvable because they simply correct 

grammar or make the definitions clearer. 

Amendments to 35 IAC 243.102 

In the February 16, 2021 submittal, 

paragraph (a) of 35 IAC 243.102 Scope 

contained amended language to make 

clearer that both Sections 7.2 and 10(H) 

of the Illinois Environmental Protection 

Act apply to 35 IAC Part 243. The 

amendment is approvable because the 

previous wording did not make clear 

that both Section 7.2 and Section 10(H) 

are in Chapter 415 of the Illinois 


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1PM10 refers to particles with an aerodynamic 

diameter of less than or equal to 10 micrometers. 

PM2.5 refers to particles with an aerodynamic 

diameter of less than or equal to 2.5 micrometers, 

oftentimes referred to as ‘‘fine’’ particles. 

Compiled Statutes. In the Board Note at 

the end of this section, a 2012 reference 

year in a citation to 40 CFR 50.2 was 

removed. This is an approvable 

amendment because it removes a 

specific edition year and instead points 

the reader to the current edition of 40 

CFR 50.2. 

Amendments to 35 IAC 243.105 

In the Board Note at the end of 35 IAC 

243.105 Air Quality Monitoring Data 

Influenced by Exceptional Events, a 

2012 reference year in a citation to 40 

CFR 50.14 was removed, thereby 

indicating the current edition of 40 CFR 

50.14. 35 IAC 243.105(a) was revised to 

improve the grammar of the description 

of an exceptional event. An incorrect 

spelling of the word ‘‘determination’’ 

was corrected in 35 IAC 243.105(b). The 

grammar and spelling revisions are 

approvable because they improve the 

clarity of the rules for the reader. 

Amendments to 35 IAC 243.107 

35 IAC 243.107 Reference Conditions 

was amended to correct a notation of 

temperature by placing the degree 

symbol next to the number of degrees 

indicated in the rule. This is approvable 

because it is simply a correction. The 

Board Note at the end of this section 

was amended to remove a reference year 

to a citation to 40 CFR 50.3. This is 

approvable because it points the reader 

to the most current edition of the CFR. 

Amendments to 35 IAC 243.108 

In the October 20, 2020 submittal, 35 

IAC 243.108 Incorporations by 

Reference was amended by removing 

the specific street address and outdated 

telephone number for the Government 

Printing Office (GPO) in Washington, 

DC. An updated telephone number and 

website have been added. Since the 

amendment updates outdated 

information to make the rule clear and 

current, it is acceptable. 

Incorporations by reference for the 

following appendices to title 40, part 50 

of the CFR have been amended in the 

October 20, 2020 submittal by changing 

the reference year of 2018 to 2019 in 

order to reflect EPA actions taken to 

sections corresponding to each 

appendix in 2019. Illinois updated 

section 243.108 to incorporate by 

reference appendices A–1, A–2, B, C, D, 

F, G, J, K, L, N, O, P, Q, R, S, T, and 

U of 40 CFR part 50, to the 2019 edition 

of the CFR. Because the amendments 

simply update the reference year for the 

incorporation of the appendices to 2019, 

which was the latest version of the CFR 

available at the time of Illinois’ rule 

adoption, they are approvable. 

In the October 20, 2020 submittal, 

Illinois also amended the reference year 

to 2019 for incorporations by reference 

to 40 CFR 50 appendices H and I. 

However, in its subsequent February 16, 

2021 submittal Illinois removed these 

two incorporations by reference. 

Removal of these two incorporations by 

reference is acceptable because they 

pertain to the 1979 and 1997 ozone 

NAAQS, which have been revoked by 

EPA and references to these NAAQS 

have already been removed from the 

Illinois SIP (80 FR 28835 and 82 FR 

32771). Therefore, removal of 

incorporations by reference to 40 CFR 

50 appendices H and I from 35 IAC 

243.108 from the Illinois SIP is 

approvable. 

In the October 20, 2020 submittal, the 

incorporation by reference of definitions 

contained in the Clean Air Act (CAA) 

was incorrectly amended from 2016 to 

2019. The February 16, 2021 submittal 

corrected the reference date to 2018 in 

the state’s rule, reflecting the correct 

date of the latest CAA edition and 

Definitions section at 35 IAC 243.101. 

Those changes are approvable because 

they make clear the correct version of 

the CAA edition as well as the correct 

state rule that the definitions 

incorporated from the CAA apply to 

within Illinois’ rules (35 IAC 243.101). 

EPA proposes taking no action on the 

October 20, 2020 submittal’s 

amendment of this incorporation by 

reference and proposes approval of the 

February 16, 2021 amendment for the 

aforementioned reason. 

In the February 16, 2021 submittal, a 

link to the GPO website was amended 

to reflect the current www.govinfo.gov 

address, which is acceptable. As noted 

in the rule, the latest editions of EPA 

rules and methods incorporated by 

reference in 35 IAC 243.108 can 

currently be found at that web address. 

In the October 20, 2020 submittal, the 

incorporation by reference of EPA’s List 

of Designated Reference and Equivalent 

Methods was incorrectly amended for a 

reference year of June 15, 2018 to 

December 15, 2019. The February 16, 

2021 submittal subsequently amended 

the reference year to June 15, 2020 

which is consistent with the most 

current revision of the list at the time of 

the R21–1 final rulemaking. EPA is 

taking no action on the October 20, 2020 

amendment and proposing to approve 

the subsequent February 16, 2021 

amendment. 

Amendments to 35 IAC 243.120 

In the October 20, 2020 submittal, the 

Board Note at the end of 35 IAC 243.120 

PM10 and PM2.5 1 subsection (a) was 

amended to remove language 

referencing the 1997 primary annual 

PM2.5 NAAQS. Reference to the 1997 

primary annual PM2.5 NAAQS was 

removed from 35 IAC 243.120(b). 

Additionally, subsection (b)(4), which 

identified the St. Louis 1997 PM2.5

nonattainment area, was removed. 

Subsection (c) was revised to remove 

language referencing the 2006 primary 

annual PM2.5 NAAQS. Additionally, 

paragraph (c)(4), which identified the 

St. Louis 2006 annual PM2.5

nonattainment area, was removed. The 

remainder of 35 IAC 243, including 

references to the 1997 and 2006 

secondary annual PM2.5 NAAQS, was 

not revised. The revisions to 35 IAC Part 

243 are approvable because they reflect 

EPA’s revocation of the 1997 annual 

PM2.5 NAAQS on August 24, 2016 (81 

FR 58010) and the subsequent 

redesignation of the Illinois portion of 

the St. Louis area to attainment of the 

1997 annual PM2.5 NAAQS on 

December 27, 2018 (83 FR 66631). 

Revisions to 35 IAC Part 243.122 

In the October 20, 2020 submittal, 35 

IAC 243.122 Sulfur Oxides (Sulfur 

Dioxide) was revised to remove 

applicability of the 1971 primary annual 

average and 24-hour NAAQS for sulfur 

dioxide (SO2) for all areas in Illinois 

except for Macon County because EPA 

has yet to promulgate the attainment 

status of Macon County (83 FR 1098). 

This revision is approvable because EPA 

revoked the 1971 primary annual and 

24-hour SO2 NAAQS on June 22, 2010 

(75 FR 35520). 

Amendments to 35 IAC 243.123, 

243.124, and 243.126 

In the October 20, 2020 submittal, 

Illinois made a minor revision to 35 IAC 

243.123 Carbon Monoxide with a 

cleanup of language in the Board Note 

within the section. Similar revisions 

were made to the Board Notes within 

and at the ends of 35 IAC 243.124 

Nitrogen Oxides (Nitrogen Dioxide as 

Indicator) and 35 IAC 243.126 Lead. 

These revisions condense the language 

and remove the reference date to a CFR 

citation in each section’s Board Note. 

The revisions are approvable because 

they make clearer to the reader where 

the regulatory content of the sections 

come from and direct the reader to the 

most current edition of the CFR. 


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III. What action is EPA taking? 

EPA is proposing to approve the 

October 20, 2020 submittal, except for 

35 IAC 243.108, and the February 16, 

2021 submittal, in its entirety. 

IV. Incorporation by Reference 

In this rule, 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 following rules in Part 243 of the 

Illinois Administrative Code: Rules 

243.120, 243.122, 243.123, 243.124, and 

243.126, effective August 18, 2020, and 

Rules 243.101, 243.102, 243.105, 

243.107, and 243.108, effective 

December 17, 2020, discussed in section 

II of this preamble. EPA has made, and 

will continue to make, these documents 

generally available through 

www.regulations.gov and at the EPA 

Region 5 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 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, 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). 

List of Subjects in 40 CFR Part 52 

Environmental protection, Air 

pollution control, Carbon monoxide, 

Incorporation by reference, 

Intergovernmental relations, Lead, 

Nitrogen dioxide, Ozone, Particulate 

matter, Reporting and recordkeeping 

requirements, Sulfur oxides, Volatile 

organic compounds. 

Dated: June 14, 2021. 

Cheryl Newton, 

Acting Regional Administrator, Region 5. 

[FR Doc. 2021–12832 Filed 6–17–21; 4:15 pm] 

BILLING CODE 6560–50–P 


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