Federal Register / Vol. 89, No. 239 / Thursday, December 12, 2024 / Rules and Regulations 100377 

1 80 FR 12264 (March 6, 2015). Per 83 FR 62998 

(December 6, 2018), these provisions were retained 

without significant revision for purposes of 

implementing the 2015 ozone NAAQS. 

2 Id. at 12278. 

3 Id.; 70 FR 71612, 71652 (November 29, 2005). 

4 40 CFR 81.305. 

5 73 FR 16435. 

6 77 FR 30088 (May 21, 2012, Marginal), 81 FR 

26697 (May 4, 2016, Moderate), 84 FR 44238 

(August 23, 2019, Serious), 86 FR 29522 (June 2, 

2021, Severe). 

7 80 FR 65292. 

(b) Specific requirements. The 

provisions of subpart A of this part 

apply to this section except as modified 

by this paragraph (b). 

(1) Recordkeeping. Recordkeeping 

requirements as specified in 

§ 721.125(a) through (k) are applicable 

to manufacturers, importers, and 

processors of this substance. 

(2) Limitation or revocation of certain 

notification requirements. The 

provisions of § 721.185 apply to this 

section. 

* * * * * 

[FR Doc. 2024–29276 Filed 12–11–24; 8:45 am] 

BILLING CODE 6560–50–P 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 52 

[EPA–R09–OAR–2024–0369; FRL–12352– 

01–R9] 

Finding of Failure To Submit State 

Implementation Plan Submissions for 

the 2008 and 2015 Ozone National 

Ambient Air Quality Standards; 

California; San Diego County Area 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Final action. 

SUMMARY: The Environmental Protection 

Agency (EPA) is taking final action to 

find that California has failed to submit 

State Implementation Plan (SIP) 

elements required under the Clean Air 

Act (CAA or the ‘‘Act’’) for the 2008 and 

2015 8-hour ozone national ambient air 

quality standards (NAAQS) in the San 

Diego County nonattainment area. 

California was required to submit a SIP 

submission demonstrating that 

reasonably available control technology 

(RACT) requirements are implemented 

at the ‘‘Serious’’ nonattainment area 

classification for the 2008 and 2015 

ozone NAAQS. The State submitted the 

required RACT demonstrations on 

December 28, 2020, but subsequently 

withdrew portions of its submission on 

August 23, 2024. If the EPA has not 

affirmatively found that the State has 

submitted a complete SIP for the 

withdrawn RACT element requirements 

within 18 months of this finding, the 

offset sanction will apply in the area. If 

within six additional months the EPA 

has still not affirmatively determined 

that the State has submitted a complete 

SIP for the withdrawn RACT element 

requirements, the highway funding 

sanction will apply in the area. No later 

than two years after the EPA makes this 

finding, if the State has not submitted 

and the EPA has not approved each of 

the required RACT elements, the EPA 

must promulgate a federal 

implementation plan (FIP) to address 

the remaining requirements. 

DATES: This action is effective January 

13, 2025. 

ADDRESSES: The EPA has established a 

docket for this action under Docket ID 

No. EPA–R09–OAR–2024–0369. 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. If 

you need assistance in a language other 

than English or if you are a person with 

a disability who needs a reasonable 

accommodation at no cost to you, please 

contact the person identified in the FOR

FURTHER INFORMATION CONTACT section. 

FOR FURTHER INFORMATION CONTACT: 

Eugene Chen, EPA Region IX, 75 

Hawthorne St., San Francisco, CA 

94105. By phone: (415) 947–4304 or by 

email at chen.eugene@epa.gov. 

SUPPLEMENTARY INFORMATION: Section 

553 of the Administrative Procedure Act 

(APA), U.S.C. 553(b)(B), provides that 

an agency may issue a rule without 

providing notice and an opportunity for 

public comment when that agency finds 

for good cause that notice and public 

procedure are impracticable, 

unnecessary, or contrary to public 

interest. The EPA has determined that 

there is a good cause for issuing this 

finding without prior proposal and 

opportunity for comment because there 

is little or no judgment involved for the 

EPA to make a finding of failure to 

submit SIPs or elements of SIPs required 

by the CAA, where states have not 

submitted a required SIP revision, made 

incomplete submissions, or, as in this 

case, withdrawn an existing submission. 

In such circumstances, the EPA finds 

that notice and public procedures are 

unnecessary and that this constitutes 

good cause under 5 U.S.C 553(b)(B). 

Throughout this document, ‘‘we,’’ 

‘‘us,’’ and ‘‘our’’ refer to the EPA. 

Table of Contents 

I. Background 

II. Consequences of Findings of Failure To 

Submit 

III. Final Action 

IV. Statutory and Executive Order Reviews 

I. Background 

Emissions of volatile organic 

compounds (VOCs) and oxides of 

nitrogen (NOX) contribute to the 

production of ground-level ozone, smog, 

and particulate matter (PM), which 

harm human health and the 

environment. Section 110(a) of the CAA 

requires states to submit regulations that 

control VOC and NOX emissions. 

Sections 182(b)(2) and (f) require that 

SIPs for ozone nonattainment areas that 

are classified as Moderate or above 

implement RACT for any source 

covered by a Control Techniques 

Guidelines (CTG) document and for any 

major source of VOCs or NOX. Section 

III.D of the preamble to the EPA’s final 

rule to implement the 2008 ozone 

NAAQS further discusses RACT 

requirements.1 Section III.D states, in 

part, that RACT SIPs must contain 

adopted RACT regulations, 

certifications that existing provisions 

meet the RACT requirement (where 

appropriate), and/or negative 

declarations that no sources in the 

nonattainment area are covered by a 

specific CTG.2 It also provides that 

states must submit appropriate 

supporting information for their RACT 

submissions as described in the EPA’s 

implementation rule for the 1997 ozone 

NAAQS.3

The San Diego County ozone 

nonattainment area is classified as 

‘‘Severe’’ nonattainment for the 2008 

and 2015 ozone standards.4 On March 

27, 2008, the EPA finalized an action to 

revise the 8-hour ozone NAAQS to 

0.075 parts per million (ppm).5 San 

Diego County was originally designated 

as a ‘‘Marginal’’ nonattainment area and 

has subsequently been reclassified to a 

Severe nonattainment area for the 2008 

8-hour ozone NAAQS.6 On October 26, 

2015, the EPA finalized an action to 

revise the 8-hour ozone NAAQS to 

0.070 ppm.7 San Diego County was 

originally designated as a ‘‘Moderate’’ 

nonattainment area, and has 

subsequently been reclassified to a 


ddrumheller on DSK120RN23PROD with RULES1
100378 Federal Register / Vol. 89, No. 239 / Thursday, December 12, 2024 / Rules and Regulations 

8 83 FR 28776 (June 4, 2018, Moderate), 86 FR 

29522 (June 2, 2021, Severe). SDCAPCD voluntarily 

requested reclassification from Moderate to Severe 

nonattainment. The applicable attainment date 

would be as expeditious as practicable but no later 

than August 3, 2033 for the 2015 ozone NAAQS. 

9CAA sections 182(d) and (f) and 302(j). 

10See Docket Item A–01. Letter dated December 

28, 2020, from Richard W. Corey, Executive 

Director, CARB, to John W. Busterud, Regional 

Administrator, EPA Region IX. 

11 87 FR 38665 (June 29, 2022) 

12See Docket Item A–02. Letter dated August 23, 

2024, from Michael Benjamin, Chief, Air Quality 

Planning and Science Division, CARB, to Martha 

Guzman, Regional Administrator, EPA Region IX. 

Severe nonattainment area for the 2015 

8-hour ozone NAAQS.8

The San Diego County Air Pollution 

Control District (SDCAPCD or 

‘‘District’’) has jurisdiction over the 

entirety of San Diego County, and as a 

result of the area’s Severe classification 

for the 2008 and 2015 ozone standards, 

SDCAPCD must, at a minimum, adopt 

RACT-level controls for all sources 

covered by a CTG document and for all 

major non-CTG sources of VOCs or NOX

within the nonattainment area. Any 

stationary source that emits or has the 

potential to emit at least 25 tons per 

year (tpy) of VOCs or NOX is a major 

stationary source in a Severe ozone 

nonattainment area.9

On October 14, 2020, the District 

adopted a SIP revision containing an 

analysis of its compliance with the CAA 

section 182 RACT requirements for the 

2008 and 2015 8-hour ozone standards 

(‘‘2020 RACT SIP’’). Specifically, the 

2020 RACT SIP contained a RACT 

demonstration for the 2015 8-hour 

ozone standard, an updated RACT 

demonstration for the 2008 8-hour 

ozone standard following the area’s 

reclassification to a Severe ozone 

nonattainment area, as well as updated 

information for certain RACT elements 

for the 2008 8-hour standard at the 

Moderate classification. The California 

Air Resources Board (CARB) submitted 

the District’s 2020 RACT SIP to the EPA 

on December 28, 2020.10 The EPA 

subsequently took final action to 

approve all elements of the 2020 RACT 

SIP related to the 2008 ozone standard 

at the Moderate classification. In 

addition, while the EPA took final 

action to approve the negative 

declarations for certain elements of the 

2020 RACT SIP related to the 2015 

ozone standard and 2008 ozone 

standard at the Severe classification, we 

have not acted upon the majority of the 

other elements related to the two 

standards.11

On August 23, 2024, CARB submitted 

a letter to the EPA from SDCAPCD that 

withdrew a majority of the 2020 RACT 

SIP because it was no longer deemed 

appropriate for inclusion into the 

California SIP.12 The withdrawal 

encompasses all elements of the 2020 

RACT SIP with the exception of the 

negative declaration associated with the 

Control Techniques Guideline (CTG) 

titled Control Techniques Guidelines for 

the Oil and Natural Gas Industry (EPA– 

453/B–16–001). 

II. Consequences of Findings of Failure 

To Submit 

For plan requirements under part D, 

title I, of the CAA, such as those for 

ozone nonattainment areas, if the EPA 

finds that a state has failed to make the 

required SIP submission, then CAA 

section 179 establishes specific 

consequences, including the eventual 

imposition of mandatory sanctions for 

the affected area. Additionally, such a 

finding triggers an obligation under 

CAA section 110(c) for the EPA to 

promulgate a FIP no later than two years 

from the effective date of the finding, if 

the affected state has not submitted, and 

the EPA has not approved, the required 

SIP submissions. 

If the EPA has not affirmatively 

determined that a state has submitted a 

complete SIP addressing the deficiency 

that is the basis for these findings 

within 18 months of the effective date 

of this rulemaking, pursuant to CAA 

sections 179(a) and (b) and 40 CFR 

52.31, the emissions offset sanction 

identified in CAA section 179(b)(2) will 

apply to the affected nonattainment 

area. If the EPA has not affirmatively 

determined that the state has submitted 

a complete SIP addressing the 

deficiency that is the basis for these 

findings within six months after the 

offset sanction is imposed, the highway 

funding sanction will apply in the 

affected nonattainment area, in 

accordance with CAA section 179(b)(1) 

and 40 CFR 52.31. The State must make 

the required SIP submission, and the 

EPA must take final action to approve 

the submission within two years of the 

effective date of this finding; otherwise, 

the EPA is required to promulgate a FIP 

to address the relevant requirements. 

This is required pursuant to CAA 

section 110(c) for the affected 

nonattainment area. 

Based upon the withdrawal of the 

2020 RACT SIP as described in Section 

I of this rulemaking, the EPA is finding 

that California has failed to make the 

required submittals for the RACT 

elements for the 2008 and 2015 ozone 

NAAQS for the San Diego County 

nonattainment area listed in Table 1 

below. 

TABLE 1—LIST OF WITHDRAWN RACT ELEMENTS FOR THE 2008 AND 2015 OZONE NAAQS 

[Severe classifications] 

CTG document No. RACT element 

EPA–450/R–75–102 ............................. Design Criteria for Stage I Vapor Control—Gasoline Service Stations. 

EPA–450/2–77–008 ............................. Surface Coating of Cans. 

EPA–450/2–77–008 ............................. Surface Coating of Coils. 

EPA–450/2–77–008 ............................. Surface Coating of Paper. 

EPA–450/2–77–008 ............................. Surface Coating of Fabric. 

EPA–450/2–77–008 ............................. Surface Coating of Automobiles and Light-Duty Trucks. 

EPA–450/2–77–022 ............................. Solvent Metal Cleaning. 

EPA–450/2–77–025 ............................. Refinery Vacuum Producing Systems, Wastewater Separators, and Process Unit Turnarounds. 

EPA–450/2–77–026 ............................. Tank Truck Gasoline Loading Terminals. 

EPA–450/2–77–032 ............................. Surface Coating of Metal Furniture. 

EPA–450/2–77–033 ............................. Surface Coating of Insulation of Magnet Wire. 

EPA–450/2–77–034 ............................. Surface Coating of Large Appliances. 

EPA–450/2–77–035 ............................. Bulk Gasoline Plants. 

EPA–450/2–77–036 ............................. Storage of Petroleum Liquids in Fixed-Roof Tanks. 

EPA–450/2–77–037 ............................. Cutback Asphalt. 

EPA–450/2–78–015 ............................. Surface Coating of Miscellaneous Metal Parts and Products. 

EPA–450/2–78–030 ............................. Manufacture of Pneumatic Rubber Tires. 

EPA–450/2–78–032 ............................. Factory Surface Coating of Flat Wood Paneling. 


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Federal Register / Vol. 89, No. 239 / Thursday, December 12, 2024 / Rules and Regulations 100379 

TABLE 1—LIST OF WITHDRAWN RACT ELEMENTS FOR THE 2008 AND 2015 OZONE NAAQS—Continued 

[Severe classifications] 

CTG document No. RACT element 

EPA–450/2–78–033 ............................. Graphic Arts—Rotogravure and Flexography. 

EPA–450/2–78–036 ............................. Leaks from Petroleum Refinery Equipment. 

EPA–450/2–78–047 ............................. Petroleum Liquid Storage in External Floating Roof Tanks. 

EPA–450/2–78–051 ............................. Leaks from Gasoline Tank Trucks and Vapor Collection Systems. 

EPA–450/3–82–009 ............................. Large Petroleum Dry Cleaners. 

EPA–450/3–83–006 ............................. Leaks from Synthetic Organic Chemical Polymer and Resin Manufacturing Equipment. 

EPA–450/3–83–007 ............................. Leaks from Natural Gas/Gasoline Processing Plants. 

EPA–450/3–83–008 ............................. Manufacture of High-Density Polyethylene, Polypropylene, and Polystyrene Resins. 

EPA–450/3–84–015 ............................. Air Oxidation Processes in Synthetic Organic Chemical Manufacturing Industry. 

EPA–450/4–91–031 ............................. Reactor Processes and Distillation Operations in Synthetic Organic Chemical Manufacturing Industry. 

EPA–453/R–96–007 ............................. Wood Furniture Manufacturing Operations. 

EPA–453/R–94–032 61 FR 44050; 8/ 

27/96.

ACT Surface Coating at Shipbuilding and Ship Repair Facilities Shipbuilding and Ship Repair Operations (Surface Coating). 

EPA–453/R–97–004 59 FR 29216; 6/ 

06/94.

Aerospace MACT and Aerospace (CTG & MACT). 

EPA–453/R–06–001 ............................. Industrial Cleaning Solvents. 

EPA–453/R–06–002 ............................. Offset Lithographic Printing and Letterpress Printing. 

EPA–453/R–06–003 ............................. Flexible Package Printing. 

EPA–453/R–06–004 ............................. Flat Wood Paneling Coatings. 

EPA 453/R–07–003 .............................. Paper, Film, and Foil Coatings. 

EPA 453/R–07–004 .............................. Large Appliance Coatings. 

EPA 453/R–07–005 .............................. Metal Furniture Coatings. 

EPA 453/R–08–003 .............................. Miscellaneous Metal Parts Coatings, Table 2—Metal Parts and Products. 

EPA 453/R–08–005 .............................. Miscellaneous Industrial Adhesives. 

EPA 453/R–08–006 .............................. Automobile and Light-Duty Truck Assembly Coatings. 

Non-CTG Major Sources of VOC. 

Non-CTG Major Sources of NOX. 

In addition, we have previously taken 

action on several RACT elements for the 

2008 and 2015 ozone NAAQS for the 

San Diego County nonattainment area. 

A summary of the status of the elements 

that were not withdrawn are listed 

below in Table 2. 

TABLE 2—STATUS OF REMAINING RACT ELEMENTS FOR THE 2008 AND 2015 OZONE NAAQS 

[Severe classifications] 

CTG document No. RACT element Status 

EPA–450/2–78–029 .................... Manufacture of Synthesized Pharmaceutical Products ................................................... Approved.a

EPA 453/R–08–003 .................... Miscellaneous Plastic Parts Coatings, Table 3—Plastic Parts and Products ................. Approved.a

EPA 453/R–08–003 .................... Miscellaneous Plastic Parts Coatings, Table 4—Automotive/Transportation and Business Machine Plastic Parts.Approved.a

EPA 453/R–08–003 .................... Miscellaneous Plastic Parts Coatings, Table 5—Pleasure Craft Surface Coating ......... Approved.a

EPA 453/R–08–003 .................... Miscellaneous Plastic Parts Coatings, Table 6—Motor Vehicle Materials ..................... Approved.a

EPA 453/R–08–004 .................... Fiberglass Boat Manufacturing Materials ........................................................................ Approved.a

EPA 453/B–16–001 .................... Oil and Natural Gas Industry ........................................................................................... Approved.b

aThe EPA took final action to approve negative declarations for these RACT elements for the 2008 and 2015 ozone standards on June 29, 

2022 (87 FR 38665). bThe EPA took final action to approve the negative declaration for this RACT element for the 2008 and 2015 ozone standards on November 4, 

2024 (89 FR 87505). 

With this finding, section 179 of the 

CAA starts sanctions clocks and a FIP 

clock. California may avoid these 

sanctions by taking timely action to 

remedy this finding. The clock 

governing the CAA’s imposition of 

sanctions for these areas will stop and 

sanctions will not take effect if the EPA 

finds that the State has made a complete 

SIP submission addressing the RACT 

elements listed in Table 1 for this area 

within 18 months of the date of this 

finding. Similarly, the EPA is not 

required to promulgate a FIP if 

California makes the required SIP 

submissions, and the EPA takes final 

action to approve the submissions 

within two years of this finding of 

failure to submit a required SIP. In sum, 

the CAA does not require sanctions or 

a FIP if the State and the EPA take 

timely action to remedy this finding. 

III. Final Action 

In this action, the EPA finds that, 

following the August 23, 2024 

withdrawal of the 2020 RACT SIP for 

the San Diego County ozone 

nonattainment area, California has 

failed to submit certain RACT SIP 

elements for the 2008 and 2015 ozone 

NAAQS required under subpart 4 of 

part D of title I of the CAA. Specifically, 

California has failed to submit those 

RACT SIP elements listed in Table 1. 

The consequences of this finding are 

discussed in Section II of this action. 

IV. Statutory and Executive Order 

Reviews 

Additional information about these 

statutes and Executive orders can be 

found at https://www2.epa.gov//lawsregulations/laws-and-executiveorders.gov. 


ddrumheller on DSK120RN23PROD with RULES1
100380 Federal Register / Vol. 89, No. 239 / Thursday, December 12, 2024 / Rules and Regulations 

A. Executive Order 12866: Regulatory 

Planning and Review and Executive 

Order 13563: Improving Regulation and 

Regulatory Review 

This action is not a significant 

regulatory action and was therefore not 

submitted to the Office of Management 

and Budget (OMB) for review. 

B. Paperwork Reduction Act (PRA) 

This action does not impose an 

information collection burden under the 

provisions of the PRA because it does 

not impose additional requirements 

beyond those imposed by state law. 

C. Regulatory Flexibility Act (RFA) 

I certify that this action will not have 

a significant economic impact on a 

substantial number of small entities 

under the RFA. This action will not 

impose any requirements on small 

entities beyond those imposed by state 

law. 

D. Unfunded Mandates Reform Act 

(UMRA) 

This action does not contain any 

unfunded mandate as described in 

UMRA, 2 U.S.C. 1531–1538, and does 

not significantly or uniquely affect small 

governments. This action does not 

impose additional requirements beyond 

those imposed by state law. 

Accordingly, no additional costs to 

State, local, or tribal governments, or to 

the private sector, will result from this 

action. 

E. Executive Order 13132: Federalism 

This action does not have federalism 

implications. It will not have substantial 

direct effects on the states, on the 

relationship between the national 

government and the states, or on the 

distribution of power and 

responsibilities among the various 

levels of government. 

F. Executive Order 13175: Consultation 

and Coordination With Indian Tribal 

Governments 

This action does not have tribal 

implications, as specified in Executive 

Order 13175, because the SIP is not 

approved to apply on any Indian 

reservation land or in any other area 

where the EPA or an Indian tribe has 

demonstrated that a tribe has 

jurisdiction, and it will not impose 

substantial direct costs on tribal 

governments or preempt tribal law. 

Thus, Executive Order 13175 does not 

apply to this action. 

G. Executive Order 13045: Protection of 

Children From Environmental Health 

and Safety Risks 

The EPA interprets Executive Order 

13045 as applying only to those 

regulatory actions that concern 

environmental health or safety risks that 

the EPA has reason to believe may 

disproportionately affect children, per 

the definition of ‘‘covered regulatory 

action’’ in section 2–202 of the 

Executive Order. This action is not 

subject to Executive Order 13045 

because it does impose additional 

requirements beyond those imposed by 

state law. 

H. Executive Order 13211: Actions That 

Significantly Affect Energy Supply, 

Distribution, or Use 

This action is not subject to Executive 

Order 13211, because it is not a 

significant regulatory action under 

Executive Order 12866. 

I. National Technology Transfer 

Advancement Act (NTTAA) 

Section 12(d) of the NTTAA directs 

the EPA to use voluntary consensus 

standards in its regulatory activities 

unless to do so would be inconsistent 

with applicable law or otherwise 

impractical. The EPA believes that this 

action is not subject to the requirements 

of section 12(d) of the NTTAA because 

application of those requirements would 

be inconsistent with the CAA. 

J. Executive Order 12898: Federal 

Actions To Address Environmental 

Justice in Minority Populations and 

Low-Income Populations 

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 communities with 

environmental justice (EJ) concerns to 

the greatest extent practicable and 

permitted by law. The EPA defines 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.’’ The 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.’’ 

The District did not evaluate EJ 

considerations as part of its SIP 

submittal; the CAA and applicable 

implementing regulations neither 

prohibit nor require such an evaluation. 

The EPA did not perform an EJ analysis 

and did not consider EJ in this action. 

Due to the nature of the action being 

taken here, this 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 action, and there is no 

information in the record inconsistent 

with the stated goals of Executive Order 

12898 of achieving EJ for communities 

with EJ concerns. 

K. Congressional Review Act (CRA) 

This action is subject to the CRA, and 

the EPA will submit a rule report to 

each House of the Congress and to the 

Comptroller General of the United 

States. This action is not a ‘‘major rule’’ 

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

L. Petitions for Judicial Review 

Under section 307(b)(1) of the Clean 

Air Act, petitions for judicial review of 

this action must be filed in the United 

States Court of Appeals for the 

appropriate circuit by February 10, 

2025. 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 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, 

Administrative practice and procedures, 

Air pollution control, Approval and 

promulgation of implementation plans, 

Incorporation by reference, 

Intergovernmental relations, Particulate 

matter, and Reporting and 

recordkeeping requirements. 

Dated: November 26, 2024. 

Martha Guzman Aceves, 

Regional Administrator, Region IX. 

[FR Doc. 2024–28529 Filed 12–11–24; 8:45 am] 

BILLING CODE 6560–50–P 


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