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Federal Register · Proposed Rule · Feb 6, 2026
This action is being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before March 9, 2026. … Statutory and Executive Order Reviews Under the Clean Air Act, the Administrator is required to approve a SIP submission that complies with the provisions of the Clean Air Act and applicable Federal regulations
91 FR 5398Environmental Protection AgencyFederal Register · Proposed Rule · May 17, 2018
The EPA considers all comments received during the comment period. … May I submit comments after the public comment period is over? Generally, the EPA will not respond to late comments.
83 FR 22918Environmental Protection AgencyAir Plan Approval; Ohio; Muskingum River 2010 Sulfur Dioxide Redesignation and Maintenance Plan
Federal Register · Proposed Rule · Oct 2, 2025
Under section 192(a) of the Clean Air Act (CAA), States are also required to submit attainment plans to demonstrate that the respective areas will attain the NAAQS as expeditiously as practicable, but … In addition, the DFFOs required the installation and operation of an ambient air monitor downwind of Globe for a period of three years.
90 FR 47686Environmental Protection AgencyFederal Register · Proposed Rule · Dec 19, 2024
SUMMARY: Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to disapprove revisions to the Texas State Implementation Plan (SIP). … Management District). 4 See “Guidance on Developing Fee Programs Required by Clean Air Act Section 185 for the 1-hour Ozone NAAQS.”
89 FR 103734Environmental Protection AgencyFederal Register · Proposed Rule · Sep 11, 1998
ACTION: Proposed rule; extension of public comment period. ----------------------------------------------------------------------- SUMMARY: The U.S. … The purpose of this document is to extend the comment period from August 19, 1998 to October 13, 1998, to allow commenters additional time to respond to the NPRM.
63 FR 48664Environmental Protection AgencyFederal Register · Proposed Rule · Jan 4, 2012
mean or refer to the Clean Air Act, unless the context indicates otherwise. … Thus, in reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.
77 FR 235Environmental Protection AgencyFederal Register · Proposed Rule · Jun 7, 2004
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.
69 FR 31780Environmental Protection AgencyFederal Register · Proposed Rule · Mar 5, 2008
This action is being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before April 4, 2008. … Air Act.
73 FR 11845Environmental Protection AgencyFederal Register · Proposed Rule · Jul 27, 2020
Air Act (CAA) interstate transport requirements for the 2010 1-hour Sulfur Dioxide (SO 2 ) National Ambient Air Quality Standards (NAAQS). … of 1995 (15 U.S.C. 272 note) because application of the requirements would be inconsistent with the Clean Air Act; and • Does not provide EPA with the discretionary authority to address, as appropriate
85 FR 45146Environmental Protection AgencyAir Plan Approval; Kentucky; 2008 Ozone NAAQS Interstate Transport SIP Requirements
Federal Register · Proposed Rule · Apr 18, 2018
Air Act (CAA or Act) for the 2008 8-hour ozone National Ambient Air Quality Standard (NAAQS) that was submitted by Kentucky for parallel processing. … The state and EPA then provide for concurrent public comment periods on both the state action and federal action, respectively.
83 FR 17123Environmental Protection AgencyFederal Register · Proposed Rule · Jun 5, 2023
Environmental Protection Agency (EPA) gave notice that, in accordance with the requirements of the Clean Air Act (CAA), the Agency had performed a 5-year review of the Standards of Performance for New … The Agency received 170 comments on the ANPRM. In addition, the EPA had several discussions with stakeholders during the comment period. B. Why is the EPA withdrawing the proposed provision?
88 FR 36524Environmental Protection AgencyFederal Register · Proposed Rule · Jul 20, 2016
SUMMARY: In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to redesignate the Ohio portion of the Campbell-Clermont KY-OH sulfur dioxide (SO 2 ) nonattainment … This review addresses air quality data collected in the 2012-2014 and 2013-2015 periods, which are the most recent quality-assured data available.
81 FR 47144Environmental Protection AgencyAir Plan Approval; ME; Decommissioning of Stage II Vapor Recovery Systems
Federal Register · Proposed Rule · May 8, 2017
Maine DEP's submission to EPA also included a demonstration that such removal is consistent with the Clean Air Act and relevant EPA guidance. … Stage II vapor recovery systems and vehicle ORVR systems were initially both required by the 1990 Amendments to the Clean Air Act (CAA).
82 FR 21348Environmental Protection AgencyFederal Register · Proposed Rule · Feb 2, 2012
SUMMARY: EPA is proposing to determine, pursuant to the Clean Air Act (CAA), that the bi-state St. Louis (MO-IL) ozone nonattainment area (“St. … This proposed determination is based upon complete, quality-assured, and certified ambient air quality data from the 2007-2009 monitoring period which show that the St.
77 FR 5210Environmental Protection AgencyAir Plan Approval; Kansas; Annual Emission Inventory and Fees
Federal Register · Proposed Rule · Jan 15, 2025
Statutory and Executive Order Reviews Under the Clean Air Act, the Administrator is required to approve a SIP submission that complies with the provisions of the Clean Air Act and applicable Federal regulations … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.
90 FR 3731Environmental Protection AgencyFederal Register · Proposed Rule · Jul 1, 2014
This comment period is limited to comments on the specific data added and issues that relate to this data; it is not an additional period to comment on other aspects of this proposed rule. … Air Act (40 CFR part 60, subpart AAA).
79 FR 37259Environmental Protection AgencyRevisions to the Arizona State Implementation Plan, Arizona Department of Environmental Quality
Federal Register · Proposed Rule · Apr 12, 2006
We are proposing to approve a local rule that helps regulate these emission sources under the Clean Air Act as amended in 1990 (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.
71 FR 18689Environmental Protection AgencyFederal Register · Proposed Rule · Apr 26, 2005
This action is being taken under the authority of the Clean Air Act. DATES: Written comments must be received on or before May 26, 2005. … Air Act.
70 FR 21384Environmental Protection AgencyFederal Register · Proposed Rule · Mar 21, 2011
Clean Air Act section 307 I. General Information A. What is the purpose of this action? … Under the Clean Air Act (CAA), the PSD program applies to any “major emitting facility” that undertakes construction, and such facility is defined to include “any * * * stationary sources of air pollutants
76 FR 15249Environmental Protection AgencySpecial Regulations; Areas of the National Park System
Federal Register · Proposed Rule · Sep 5, 2002
Air Quality: Lake Mead NRA is designated as a class II air quality area under the Clean Air Act. … These impacts are considered moderate and have not been shown to exceed the national ambient air quality standards under the Clean Air Act or the EPA air quality index.
67 FR 56785Interior DepartmentNational Park Service
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