Documents

Approval of Air Quality Implementation Plans; Navajo Nation; Regional Haze Requirements for Navajo Generating Station; Extension of Comment Period

Federal Register · Proposed Rule · Mar 19, 2013

ACTION: Proposed rule; extension of comment period. … Air Act (CAA or Act) in order to reduce visibility impairment resulting from NGS at 11 National Parks and Wilderness Areas.

Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to New Source Review Rules; Extension of Comment Period

Federal Register · Proposed Rule · Dec 28, 2005

of Comment Period AGENCY: Environmental Protection Agency (EPA). … ACTION: Proposed rule; extension of the comment period. SUMMARY: EPA is extending the comment period for a document published on December 7, 2005 (70 FR 72744).

Magnuson-Stevens Act Provisions; Fisheries Off West Coast States; Pacific Coast Groundfish Fishery; Comment Period Extension

Federal Register · Proposed Rule · Dec 3, 2010

ACTION: Proposed rule; extension of a comment period. … The comment period is being extended to provide additional opportunity for public comment. DATES: Comments must be received no later than 5 p.m., local time on January 4, 2011.

Review of National Emission Standards for Hazardous Air Pollutants From Secondary Lead Smelting Technology Review; Reopening of Comment Period

Federal Register · Proposed Rule · Nov 24, 2025

On October 1, 2025, the EPA proposed a rule titled “National Emission Standards for Hazardous Air Pollutants from Secondary Lead Smelting Technology Review.”  1 The comment period on this proposed … Panagiotis Tsirigotis, Director, Office of Clean Air Programs. [FR Doc. 2025-20753 Filed 11-21-25; 8:45 am] BILLING CODE 6560-50-P

Updates to New Chemicals Regulations Under the Toxic Substances Control Act (TSCA); Extension of Comment Period

Federal Register · Proposed Rule · Jul 19, 2023

ACTION: Proposed rule; extension of comment period. … SUMMARY: The Environmental Protection Agency (EPA) is extending the comment period for the proposed rule entitled “Updates to New Chemicals Regulations Under the Toxic Substances Control Act (TSCA)”

Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Youngstown-Warren-Sharon Area; Reopening of Comment Period

Federal Register · Proposed Rule · Mar 1, 2021

The SIP submittal (also referred to as “1997 8-hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Youngstown-Warren-Sharon Area”) addresses Clean Air Act (CAA) requirements … EPA is reopening the comment period based on an anonymous request to reopen the comment period.

Clean Air Act Approval and Promulgation of Air Quality Implementation Plan Revision for Colorado; Long-Term Strategy of State Implementation Plan for Class I Visibility Protection: Craig Station Requirements

Federal Register · Proposed Rule · May 1, 2001

Air Act. … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Americans With Disabilities Act (ADA) Accessibility Guidelines for Buildings and Facilities; Architectural Barriers Act (ABA) Accessibility Guidelines; Extension of Comment Period

Federal Register · Proposed Rule · Mar 9, 2000

Air Quality State Implementation Plans; Approvals and Promulgations: California; 1997 Annual Fine Particulate Matter Serious and Clean Air Act Section 189(d) Nonattainment Area Requirements; San Joaquin Valley, CA

Federal Register · Proposed Rule · Jul 14, 2023

Clean Air Act Requirements for PM 2.5 Serious Area Plans and for Serious PM 2.5 Areas That Fail To Attain A. … The comment period for this notification ended on December 15, 2021. We did not receive any comments during this comment period.

Clean Air Act Proposed Full Approval of Operating Permits Program; Approval of Construction Permit Program Under Section 112(l); State of Utah

Federal Register · Proposed Rule · Mar 22, 1995

air pollutants listed pursuant to section 112(b) of the Clean Air Act. … Introduction As required under title V of the 1990 Clean Air Act Amendments (sections 501-507 of the Clean Air Act (``the Act'')), EPA has promulgated rules which define the minimum elements of an

Clean Air Act Full Approval of Operating Permits Program and Approval and Promulgation of Implementation Plans; State of Arkansas; New Source Review

Federal Register · Proposed Rule · Oct 9, 2001

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 52 and 70 [AR-13-1-7526b; FRL-7072-3] Clean Air Act Full Approval of Operating Permits Program and Approval and Promulgation of Implementation Plans; … The EPA will not institute a second comment period on this action. Any parties interested in commenting should do so at this time.

Clean Air Act Reclassification, San Joaquin Valley Nonattainment Area; Designation of East Kern Nonattainment Area and Extension of Attainment Date; California; Ozone

Federal Register · Proposed Rule · May 18, 2001

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 52 and 81 [CA-019-FOI, FRL-6982-5] Clean Air Act Reclassification, San Joaquin Valley Nonattainment Area; Designation of East Kern Nonattainment Area … (NAAQS) by the November 15, 1999 Clean Air Act (CAA) deadline.

Clean Air Act Proposed Final Full Approval of Operating Permits Program and Approval of Delegation of Section 112(l); State of Iowa

Federal Register · Proposed Rule · Jul 14, 1997

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 70 [FRL-5855-2] Clean Air Act Proposed Final Full Approval of Operating Permits Program and Approval of Delegation of Section 112(l); State of Iowa AGENCY … The EPA will not institute a second comment period on this document. Any parties interested in commenting should do so at this time.

Clean Air Act Approval and Promulgation of State Implementation Plan for Colorado; Carbon Monoxide Contingency Measures for Colorado Springs and Fort Collins

Federal Register · Proposed Rule · Dec 23, 1997

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [CO-44-1-6866(b); FRL-5930-2] Clean Air Act Approval and Promulgation of State Implementation Plan for Colorado; Carbon Monoxide Contingency Measures for … This submittal addresses the Federal Clean Air Act requirement to submit contingency measures for carbon monoxide (CO) for the Colorado Springs and Fort Collins areas in Colorado designated as nonattainment

Clean Air Act Approval and Promulgation of State Implementation Plan; Colorado; Revisions Regarding Negligibly Reactive Volatile Organic Compounds and Other Regulatory Revisions

Federal Register · Proposed Rule · Jun 17, 1999

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [CO-001-0027b, CO-001-0028b, and CO-001-0033b; FRL-6358-7] Clean Air Act Approval and Promulgation of State Implementation Plan; Colorado; Revisions Regarding … We will address all public comments in a subsequent final rule based on this proposed rule. We will not institute a second comment period on this action.

Approval and Promulgation of Air Quality Implementation Plans; Tennessee; Regional Haze State Implementation Plan; Limited Reopening of the Comment Period

Federal Register · Proposed Rule · Jul 26, 2011

Cross-State Air Pollution Rule (CSAPR), which replaced the Clean Air Interstate Rule on July 6, 2011. … Hand Delivery or Courier: Steven Scofield, Acting Chief, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S.

Air Plan Approval; Nebraska; Lincoln-Lancaster County Health Department (LLCHD); Reopening of the Comment Period and Availability of Supplemental Information

Federal Register · Proposed Rule · Mar 5, 2020

ACTION: Proposed rule; reopening of the comment period and availability of supplemental information. … SUMMARY: The Environmental Protection Agency (EPA) is announcing a reopening of the comment period for the proposed rule “Air Plan Approval; Nebraska; Lincoln-Lancaster County Health Department (LLCHD

Automatic Dependent Surveillance-Broadcast (ADS-B) Out Performance Requirements To Support Air Traffic Control (ATC) Service; Reopening of Comment Period

Federal Register · Proposed Rule · Oct 2, 2008

FAA-2007-29305; Notice No. 08-11] RIN 2120-AI92 Automatic Dependent Surveillance—Broadcast (ADS-B) Out Performance Requirements To Support Air Traffic Control (ATC) Service; Reopening of Comment Period … The comment period closed on March 3, 2008.

Approval of Air Quality Implementation Plans; Navajo Nation; Regional Haze Requirements for Navajo Generating Station; Extension of Public Comment Period

Federal Register · Proposed Rule · Jul 9, 2013

; Extension of Public Comment Period AGENCY: Environmental Protection Agency (EPA). … ACTION: Proposed rule; notice of extended comment period.

National Emission Standards for Hazardous Air Pollutants: Miscellaneous Organic Chemical Manufacturing Residual Risk and Technology Review; Reopening of Comment Period

Federal Register · Proposed Rule · Feb 26, 2020

ACTION: Proposed rule; reopen comment period. … The comment period will reopen until March 19, 2020, to allow additional time for stakeholders to review and comment on the proposal.