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Federal Register · Rule · Jan 6, 2026
SUMMARY: The Environmental Protection Agency (EPA) is finalizing revisions to the Regional Haze Rule (RHR) under the Clean Air Act (CAA) to change the due date for the next round of State Implementation … See Legislative History of the Clean Air Act Amendments of 1977 Public Law 95-95 (1977), H.R. Rep. No. 95-564, at 535.
91 FR 331Environmental Protection AgencyTribal code · Tribal code
the Clean Air Act (CAA) and below 1,000 lbs per year or the de minimis level established under Section 112(g), whichever is lower, for HAP emissions. … The requirements of the Clean Air Act Title V, Part 70 Permitting Program (Program) have been incorporated at Article II, Part 1 of the Reservation Air Code.
Federal Register · Rule · Apr 1, 2026
pursuant to a technology review under Clean Air Act (CAA) section 112(d)(6). … pollution control device CAA Clean Air Act CDX Central Data Exchange CEDRI Compliance and Emissions Data Reporting Interface CFR Code of Federal Regulations CMAS Chemical Manufacturing Area Source
91 FR 16502Environmental Protection AgencyFederal Register · Proposed Rule · Jan 11, 2017
The Adequacy comment period for these MVEBs closed on February 23, 2012. No comments, adverse or otherwise, were received through the Adequacy process. … “State Implementation Plan (SIP) Actions Submitted in Response to Clean Air Act (CAA) Deadlines,” Memorandum from John Calcagni, Director, Air Quality Management Division, October 28, 1992; and 3.
82 FR 3234Environmental Protection AgencyFederal Register · Proposed Rule · Sep 16, 2011
Background Information What are the Clean Air Act (CAA) requirements for a moderate 8-hr ozone nonattainment area? … Background Information What are the Clean Air Act (CAA) requirements for a moderate 8-hour ozone nonattainment area?
76 FR 57696Environmental Protection AgencyApproval and Promulgation of State Implementation Plans; Minnesota
Federal Register · Rule · Sep 11, 2002
The request is approvable because it satisfies the requirements of the Clean Air Act (Act). The rationale for the approval and other information are provided in this rulemaking action. … All public comments received will then be addressed in a subsequent final rule based on the proposed action. The EPA will not institute a second comment period.
67 FR 57517Environmental Protection AgencyElectricity Generation and Air Quality: Multi-Pollutant Strategies
Congressional research report · CRS Report · Mar 13, 2001
However the Clean Air Act Amendments of 1990 designated Hg as a hazardous air pollutant subject to a regulatory regime spelled out in §112. … \MMBtu) (40 CFR 76.5) 1990 Clean Air Act Amendments (Acid Rain Provisions) Dry bottom wall-fired boilers: 0.50 on an annual average units.
RL30878Congressional Research ServiceApproval and Promulgation of State Plans for Designated Facilities and Pollutants: Nevada
Federal Register · Rule · Sep 20, 1999
The Plan was submitted by the Nevada Division of Environmental Protection (NDEP) for the State of Nevada to satisfy requirements of section 111(d) of the Clean Air Act (the Act). … All public comments received will be addressed in a subsequent final rule based on the proposed rule. EPA will not institute a second comment period on this action.
64 FR 50764Environmental Protection AgencyFederal Register · Rule · Dec 6, 2002
Air Act. … This rule is being promulgated under the administrative and procedural provisions of Clean Air Act section 307(d), 42 U.S.C. 7607(d).
67 FR 72821Environmental Protection AgencyFederal 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.
79 FR 69104Environmental Protection AgencyFederal Register · Rule · Apr 11, 2012
This action is being taken in accordance with the Clean Air Act (CAA or Act) and the “Clean Air Fine Particle Implementation Rule,” hereafter referred to as the “PM 2.5 Implementation Rule,” published … The Commenter makes a similar contention regarding the Clean Air Interstate Rule (CAIR).
77 FR 21663Environmental Protection AgencyFederal Register · Rule · Aug 19, 2005
or refer to the Clean Air Act, unless the context indicates otherwise. … The NPR also opened a 30-day public comment period on this proposed Agency action. We did not receive any comments.
70 FR 48650Environmental Protection AgencyFederal Register · Proposed Rule · Apr 9, 2010
The EPA is proposing to approve these revisions pursuant to section 110 of the Federal Clean Air Act (CAA). DATES: Written comments must be received on or before May 10, 2010. … EPA will not institute a second comment period. Any parties interested in commenting on this action should do so at this time.
75 FR 18142Environmental Protection AgencyFederal 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.
91 FR 13802Environmental Protection AgencyApproval and Promulgation of Implementation Plans; State of Iowa: Regional Haze
Federal Register · Rule · Jun 26, 2012
Specifically, these revisions address the requirements of the Clean Air Act (CAA or Act) and EPA's rules that required States to prevent any future and remedy any existing anthropogenic impairment of visibility … During the public comment period we received no written comments. III.
77 FR 38006Environmental Protection AgencyFederal Register · Notice · Dec 29, 2016
This decision is issued under the authority of the Clean Air Act (“CAA” or “the Act”). DATES: Petitions for review must be filed by February 27, 2017. … Air Act.
81 FR 95982Environmental Protection AgencyThe Clean Air Act’s Good Neighbor Provision: Overview of Interstate Air Pollution Control
Congressional research report · CRS Report · Aug 30, 2018
(µg/m3).17 The NAAQS do not set direct limits on emissions but rather define what EPA considers to be clean air for the pollutant in question.18 Section 109(d) of the act requires periodic NAAQS reviews … Karmel, “Interstate Transport and Regional Approaches to Regulating Air Pollution,” in The Clean Air Act Handbook, pp. 133-134. 38 Karmel, “Interstate Transport,” in The Clean Air Act Handbook, p. 133.
R45299Congressional Research ServiceFederal Register · Proposed Rule · Sep 24, 2001
The intended effect of this action is to propose approval of programs required by the Clean Air Act. DATES: Comments must be received on or before October 24, 2001. … Air Act.
66 FR 48847Environmental Protection AgencyFederal Register · Proposed Rule · Jun 20, 1996
The Clean Air Act The Clean Air Act amendments of 1990 added section 129, which includes specific requirements for solid waste combustion units. … Air Act.
61 FR 31736Standards of Performance for New Stationary Sources and EmissionRuleEnergy Conservation Program: Proposed Determination of Air Cleaners as a Covered Consumer Product
Federal Register · Proposed Rule · Sep 16, 2021
room air cleaners, and the wide variety of air cleaning and air purifying consumer products currently on the market. … After the expiration of the period for submitting written statements, DOE will consider all comments and additional information that is obtained from interested parties or through further analyses, and
86 FR 51629Energy Department
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