Documents

Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of California; PM-10; Revision of Designation; Redesignation of the San Joaquin Valley Air Basin PM-10 Nonattainment Area to Attainment; Approval of PM-10 Maintenance Plan for the San Joaquin Valley Air Basin; Approval of Commitments for the East Kern PM-10 Nonattainment Area

Federal Register · Proposed Rule · Apr 25, 2008

area and to address Clean Air Act requirements under section 189(d) as necessary for the area. … In addition, since the SJV nonattainment area had failed to meet its original serious area attainment deadline of December 31, 2001, the State was required under section 189(d) of the Clean Air Act (CAA

Air Plan Approval; ID; 2012 PM2.5 Standard Infrastructure Requirements

Federal Register · Proposed Rule · Sep 12, 2017

Page, Director, Office of Air Quality Planning and Standards. “Guidance on Infrastructure State Implementation Plan (SIP) Elements under Clean Air Act Sections 110(a)(1) and 110(a)(2).” … Air Act Section 110(a)(1)-(2).

Supplemental Air Plan Actions: Interstate Transport of Air Pollution for the 2015 8-Hour Ozone National Ambient Air Quality Standards and Supplemental Federal “Good Neighbor Plan” Requirements for the 2015 8-Hour Ozone National Ambient Air Quality Standards

Federal Register · Proposed Rule · Feb 16, 2024

Other Clean Air Act Authorities for This Action A. … Other Clean Air Act Authorities for this Action A.

Availability of Additional Information Related to the Review of the National Ambient Air Quality Standards for Particulate Matter

Federal Register · Proposed Rule · Jul 21, 2006

of the National Ambient Air Quality Standards for Particulate Matter: Assessment of Scientific and Technical Information (henceforth, the “Staff Paper”) (EPA-452/R-05-005a, December 2005); Clean Air Scientific … EPA screened and surveyed the recent literature, including studies submitted during the public comment period on the proposed rule, and conducted a provisional assessment that places the results of those

Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period

Federal Register · Proposed Rule · Jun 18, 2025

Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. … comment period on Indiana's plan, as required by 40 CFR 51.308(i)(2).

Approval and Promulgation of Air Quality Implementation Plans; State of New Jersey; Regional Haze State Implementation Plan

Federal Register · Proposed Rule · Aug 11, 2011

This revision addresses the requirements of the Clean Air Act and EPA's rules that require states to prevent any future, and remedy any existing, anthropogenic impairment of visibility in mandatory Class … EPA is proposing to approve the State of New Jersey's (New Jersey's) July 28, 2009 State Implementation Plan (SIP) revision addressing regional haze under the Clean Air Act (CAA or the Act) sections 301

Air Plan Approval; Indiana; Indiana NOX Emissions Monitoring

Federal Register · Proposed Rule · Apr 21, 2025

SUMMARY: The Environmental Protection Agency (EPA) is proposing to approve under the Clean Air Act (CAA) a request from the Indiana Department of Environmental Management (IDEM) to revise the Indiana … On May 12, 2005 (70 FR 25162), EPA published the Clean Air Interstate Rule (CAIR), which required eastern States, including Indiana, to submit SIPs that prohibited emissions consistent with annual and

Effluent Limitations Guidelines and Standards for the Dental Category

Federal Register · Proposed Rule · Oct 22, 2014

Clean Water Act Congress passed the Federal Water Pollution Control Act Amendments of 1972, also known as the Clean Water Act, to “restore and maintain the chemical, physical, and biological integrity … Regulatory Flexibility Act The Regulatory Flexibility Act (RFA) generally requires an agency to prepare a regulatory flexibility analysis of any rule subject to notice and comment rulemaking requirements

Revisions to the Arizona State Implementation Plan; State Stationary Source Rules

Federal Register · Proposed Rule · Sep 23, 2014

The EPA is approving these revisions because they meet all applicable requirements of the Clean Air Act (CAA or the Act). … We do not plan to open a second comment period, so anyone interested in commenting should do so at this time. If we do not receive adverse comments, no further activity is planned.

Air Plan Approval and Air Quality Designation; KY; Redesignation of the Kentucky Portion of the Louisville, KY-IN 2015 8-Hour Ozone Nonattainment Area to Attainment

Federal Register · Proposed Rule · Apr 18, 2023

EPA is proposing to approve Kentucky's maintenance plan for its portion of the Louisville, KY-IN Area as meeting the requirements of section 175A (such approval being one of the Clean Air Act (CAA or Act … The Adequacy comment period for these MVEBs closed on October 14, 2022. No comments, adverse or otherwise, were received during the Adequacy comment period.

Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Section 110(a)(2) Infrastructure Requirements for the 2008 Ozone National Ambient Air Quality Standards

Federal Register · Proposed Rule · Jul 2, 2013

SUMMARY: EPA is approving State Implementation Plan (SIP) submittals from the State of West Virginia pursuant to the Clean Air Act (CAA). … Mail: EPA-R03-OAR-2013-0299, Cristina Fernandez, Associate Director, Office of Air Program Planning, Air Protection Division, Mailcode 3AP30, U.S.

Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression; Supplemental Notice of Proposed Rulemaking

Federal Register · Proposed Rule · Apr 6, 2026

Standards Institute ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers CAA Clean Air Act CAS Reg. … Purpose of the Regulatory Action The EPA is proposing a new listing after our evaluation of human health and environmental information for one substitute under Clean Air Act (CAA) section 612, Significant

Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Permits for Construction and Major Modification of Major Stationary Sources of Air Pollution for the Prevention of Significant Deterioration

Federal Register · Proposed Rule · Dec 17, 2010

This action is being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before January 18, 2011. … We are soliciting public comments on the issues discussed in this document. These comments will be considered before taking final action. IV.

Air Plan Approval; Indiana; Proposed Approval of a Revision to the Sulfur Dioxide State Implementation Plan for United States Steel-Gary Works

Federal Register · Proposed Rule · Feb 13, 2019

Summary of 110(l) Analysis According to Clean Air Act (CAA) Section 110(l), EPA cannot approve a revision of a SIP if the revision would interfere with any applicable requirement concerning attainment … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act; and • Does not provide EPA with the discretionary authority to address, as appropriate

Air Plan Conditional Approval; California; Bay Area Air Quality Management District

Federal Register · Proposed Rule · Nov 29, 2024

We are proposing to approve local rules to regulate these emission sources under the Clean Air Act (CAA). We are taking comments on this proposal and plan to follow with a final action. … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Air Plan Approval; CT; Reasonably Available Control Technology for the 2008 8-Hour Ozone National Ambient Air Quality Standards

Federal Register · Proposed Rule · Apr 6, 2017

This action is being taken in accordance with sections 172, 182, and 184 of the Clean Air Act. DATES: Written comments must be received on or before May 8, 2017. … Air Act amendments of 1990.

Airworthiness Directives; Robinson Helicopter Company Helicopters

Federal Register · Proposed Rule · May 27, 2016

Before acting on this proposal, we will consider all comments we receive on or before the closing date for comments. … We will consider comments filed after the comment period has closed if it is possible to do so without incurring expense or delay. We may change this proposal in light of the comments we receive.

Air Plan Approval; Ohio; Carmeuse Lime, Inc. SO2

Federal Register · Proposed Rule · Aug 7, 2025

For comments submitted at Regulations.gov, follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from the docket. … Ohio EPA is acting under Clean Air Act (CAA) section 110(a)(2)(B) and section 110(a)(2)(K) authorities that provide for the appropriate operation to monitor, compile, and analyze ambient air quality data

Air Plan Approval; AK; Juneau's Mendenhall Valley Second 10-Year PM10 Limited Maintenance Plan

Federal Register · Proposed Rule · Aug 11, 2021

A LMP is used to meet Clean Air Act (CAA) requirements for formerly designated nonattainment areas that meet certain qualification criteria. … period 2018 through 2020.

Air Plan Approval; GA; Updates to the Cross-State Air Pollution Rule

Federal Register · Proposed Rule · Aug 14, 2025

EPA created these Federal trading programs in 2011 as market-based mechanisms for Georgia and certain other states to address their obligations to downwind states under the Clean Air Act's (CAA's) good … CSAPR replaced the earlier Clean Air Interstate Rule (CAIR) and established Federal trading programs for power plants to reduce emissions of NO X and SO 2 , which are precursors to ozone and PM