Documents

Approval and Promulgation of Implementation Plans; Attainment Redesignation for Missouri Portion of the St. Louis MO-IL Area; 1997 8-Hour Ozone Standard and Associated Maintenance Plan

Federal Register · Proposed Rule · Dec 31, 2014

Louis area to attainment for the 1997 8-hour O 3 NAAQS, and also proposes to approve under section 175A of the Clean Air Act (CAA or Act), Missouri's 1997 8-hour O 3 NAAQS maintenance plan. … As part of the redesignation request, the State submitted a plan for maintaining the 1997 8-hour ozone standard through 2025 in the area as required by Section 175A of the Clean Air Act.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of California; Redesignation of San Diego County to Attainment for the 1997 8-Hour Ozone Standard

Federal Register · Rule · Jun 4, 2013

What comments did EPA receive on the proposed rule? EPA's proposed rule provided a 30-day public comment period. … Thus, in reviewing SIP submissions, EPA's role is to approve State choices, provided that they meet the criteria of the Clean Air Act.

Approval and Promulgation of Implementation Plans; New Mexico; Interstate Transport of Pollution; Revisions to Prevention of Significant Deterioration Regulations

Federal Register · Proposed Rule · Aug 27, 2010

This action is being taken under section 110 and part C of the Clean Air Act (the Act or CAA). DATES: Comments must be received on or before September 27, 2010. … Thus, in reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Maine, New Hampshire, Rhode Island and Vermont; Interstate Transport of Fine Particle and Ozone Air Pollution

Federal Register · Proposed Rule · Dec 15, 2016

This action is being taken under the Clean Air Act. DATES: Comments must be received on or before January 17, 2017. … Make sure to submit your comments by the comment period deadline identified. II.

Emission Standards for Stationary Diesel Engines

Federal Register · Proposed Rule · Jan 24, 2008

Environmental Protection Agency can pursue through Federal rulemaking under the Clean Air Act to regulate emissions of pollutants from existing stationary diesel engines, generally, and specifically from … , older engines under Clean Air Act (CAA) section 112 authorities. 5 The Agency is seeking comment on the larger, older engines because available data indicate that they emit the majority of PM and

Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Louisiana; Control of Emissions From Existing Other Solid Waste Incineration Units

Federal Register · Proposed Rule · Mar 23, 2026

SUMMARY: Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is notifying the public that we have received a CAA section 111(d)/129 negative declaration from … with the Clean Air Act.

Fall 2020 Unified Agenda of Regulatory and Deregulatory Actions

Federal Register · Proposed Rule · Mar 31, 2021

A number of environmental laws authorize EPA's actions, including but not limited to: • Clean Air Act (CAA), • Clean Water Act (CWA), • Comprehensive Environmental Response, Compensation, and Liability … Legal Authority: 42 U.S.C. 7412 Clean Air Act Abstract: On March 21, 2011, EPA promulgated National Emission Standards for Hazardous Air Pollutants for Area Sources: Industrial, Commercial, and

Air Quality Plan; Arizona; Maricopa County Air Quality Department; Gasoline Loading

Federal Register · Proposed Rule · Aug 11, 2026

We are proposing action on local rules to regulate these emission sources under the Clean Air Act (CAA or “Act”). … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; California; Determination of Termination of Section 185 Fees

Federal Register · Proposed Rule · May 18, 2011

period (section 107(d)(4) of the Act; 56 FR 56694, November 6, 1991). … On September 26, 2002, SMAQMD adopted Rule 307 (”Clean Air Act Fees”).

Air Plan Approval; IA; Alter Metal Recycling Permit Modification

Federal Register · Proposed Rule · Jun 3, 2025

The EPA's proposed approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA). DATES: Comments must be received on or before July 3, 2025. … Condition 11 references 567 Iowa Administrative Code (IAC) Chapter 24.1(1) pertaining to excess emissions during periods of startup, shutdown, or cleaning of control equipment.

Air Plan Approval; Arizona; Maricopa County Air Quality Department

Federal Register · Rule · Jan 16, 2025

We are also approving a local rule that regulates these emission sources under the Clean Air Act (CAA or “the Act”). DATES: This rule is effective February 18, 2025. … Public Comments and EPA Responses The EPA's proposed action provided a 30-day public comment period. During this period, we received no comments. III. EPA Action No comments were submitted.

Environmental Impact Statement; Interstate 15: Farmington to Salt Lake City, Utah

Federal Register · Notice · Mar 28, 2022

Army Corps of Engineers (USACE) under Section 404 of the Clean Water Act and approvals from other agencies such as the U.S. … A public scoping period and 30-day public comment period is planned between April 11 and May 13, 2022.

Approval and Promulgation of Implementation Plans; Kentucky Prevention of Significant Deterioration and Nonattainment New Source Review

Federal Register · Rule · Jul 11, 2006

The public comment period for the proposed action ended on March 13, 2006. No comments, adverse or otherwise, were received on EPA's proposed action. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; NOX RACT Determinations for Fifteen Individual Sources

Federal Register · Rule · Mar 31, 2005

EPA is approving these revisions to establish RACT requirements in the SIP in accordance with the Clean Air Act (CAA). … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Air Plan Approval; Michigan; Second Limited Maintenance Plans for 1997 Ozone NAAQS

Federal Register · Proposed Rule · Dec 4, 2019

SUMMARY: Pursuant to the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the State of Michigan. … The Cross-State Air Pollution Control rule replaces the Clean Air Interstate rule.

California State Motor Vehicle Pollution Control Standards; Malfunction and Diagnostic System Requirements for 2010 and Subsequent Model Year Heavy-Duty Engines; Request for Waiver Determination; Opportunity for Public Hearing and Comment

Federal Register · Notice · Nov 20, 2014

EPA issued a waiver under section 209(b) of the Clean Air Act (CAA or Act) for the HD OBD Requirements in 2008. 1 In 2010, CARB updated the regulation to align the HD OBD Requirements with OBD regulations … Sections 209(b) and 209(e) of the Clean Air Act limit EPA's authority to deny California requests for waivers and authorizations to the three criteria listed therein.

Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standard; Imperial County, California

Federal Register · Rule · Oct 20, 2022

As a result of this final action, the Imperial County nonattainment area will no longer be subject to the Clean Air Act (CAA) requirements pertaining to reclassification upon failure to attain and therefore … Public Comment The public comment period on the proposed rule opened on August 15, 2022, the date of its publication in the Federal Register , and closed on September 14, 2022.

Designation of Biobased Items for Federal Procurement

Federal Register · Proposed Rule · Oct 23, 2008

Performance Standards • Boeing #D6-7127, Cleaning Interiors of Commercial Transport Aircraft; and • South Coast Air Quality Management District, certification as a Clean Air Solvent. … Quality Management District, certification as a “Clean Air Solvent.”

Approval and Promulgation of State Implementation Plans; Wyoming

Federal Register · Rule · May 19, 1999

We will address all public comments in a subsequent final rule based on the proposed rule. We will not institute a second comment period on this action. … The Clean Air Act forbids EPA to base its actions concerning SIPs on such grounds. Union Electric Co., v. U.S. EPA, 427 U.S. 246, 255-66 (1976); 42 U.S.C. 7410(a)(2). F.

Approval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to the Administrative Rules of Montana-Air Quality, Subchapter 7, Subchapter 16 and Subchapter 17

Federal Register · Proposed Rule · Nov 13, 2012

The intended effect of this action is to propose to approve these rules as they are consistent with the Clean Air Act. This action is being taken under section 110 of the Clean Air Act. … or refer to the Clean Air Act, unless the context indicates otherwise.