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Air Quality Criteria for Particulate Matter (External Review Draft)
Federal Register · Notice · Apr 12, 2001
Required under sections 108 and 109 of the Clean Air Act, the purpose of this document is to provide an assessment of the latest scientific information on the effects of airborne particulate matter (PM … Sections 108 and 109 of the Clean Air Act require that the EPA carry out a periodic review and revision, where appropriate, of the scientific criteria and the NAAQS for “criteria” air pollutants such as
66 FR 18929Environmental Protection AgencyAir Plan Approval; California; South Coast Air Quality Management District
Federal Register · Rule · Dec 11, 2025
Plan (SIP) concerning a rule submitted to address section 185 of the Clean Air Act (CAA or “Act”) with respect to the 1997 and 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS or “standard … Public Comments and EPA Responses The EPA's proposed action provided a 30-day public comment period.
90 FR 57364Environmental Protection AgencyFederal Register · Proposed Rule · Feb 15, 2019
Background Following promulgation of a new or revised NAAQS, EPA is required by section 107(d)(1) of the Clean Air Act (CAA) to designate areas throughout the United States as attainment, nonattainment … Ambient air quality monitoring data for the three-year period must also meet data completeness requirements.
84 FR 4422Environmental Protection AgencyFederal Register · Proposed Rule · Jan 21, 2005
Under the Clean Air Act, as amended in 1990 (CAA or “Act”), EPA designated all of Washoe County as a nonattainment area for the 1-hour ozone NAAQS, effective January 6, 1992. … in the Clean Air Act.
70 FR 3170Environmental Protection AgencyAir Plan Approval; Arizona; Maricopa County Air Quality Department; Petroleum Solvent Dry Cleaning
Federal Register · Rule · Nov 19, 2025
We are approving a local rule that regulates these emission sources under the Clean Air Act (CAA or “Act”). DATES: This rule is effective December 19, 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.
90 FR 51997Environmental Protection AgencyApproval and Promulgation of Air Quality Implementation Plans; Maine; Transportation Conformity
Federal Register · Rule · Feb 8, 2008
This action is being taken in accordance with the Clean Air Act. DATES: This direct final rule will be effective April 8, 2008, unless EPA receives adverse comments by March 10, 2008. … Air Act.
73 FR 7465Environmental Protection AgencyFederal Register · Rule · May 5, 2010
We are approving a local rule that regulates this emission source under the Clean Air Act as amended in 1990 (CAA or the Act). … Public Comments and EPA Responses EPA's proposed action provided a 30-day public comment period. During this period, we received no comments. III.
75 FR 24408Environmental Protection AgencyFederal Register · Rule · Aug 29, 2011
We are approving a local rule that regulates these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act). … Public Comments and EPA Responses EPA's proposed action provided a 30-day public comment period. During this period, we received no comments. III.
76 FR 53640Environmental Protection AgencyFederal Register · Rule · Aug 2, 2013
or refer to the Clean Air Act, unless the context indicates otherwise. … (See Clean Air Act section 307(b)(2).)
78 FR 46816Environmental Protection AgencyFederal Register · Rule · Nov 30, 2001
We are approving a local rule that regulates these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act). … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.
66 FR 59699Environmental Protection AgencyFederal Register · Rule · Sep 2, 1999
The intended effect of this action is to approve regulations and facility-specific requirements in accordance with the Clean Air Act. … All public comments received will then be addressed in a subsequent final rule based on the proposed rule. The EPA will not institute a second comment period.
64 FR 48095Environmental Protection AgencyFederal Register · Rule · Sep 13, 2017
Upon promulgation of a new or revised NAAQS, section 107(d) of the Clean Air Act (CAA) requires the EPA to designate any area that does not meet (or that contributes to ambient air quality in a nearby … EPA's Response to Comments The public comment period on EPA's proposed rule opened June 23, 2017, the date of its publication in the Federal Register , and closed on July 24, 2017.
82 FR 42945Environmental Protection AgencyFederal Register · Proposed Rule · Jul 23, 2008
Does the Clean Air Act Require EPA To Determine Attainment of the One-Hour Ozone Standard? … Air Act.
73 FR 42727Environmental Protection AgencyFederal Register · Rule · Mar 2, 2000
Delegation of NESHAPs Section 112(l) of the Clean Air Act, as amended in 1990 (CAA), authorizes EPA to delegate to state or local air pollution control agencies the authority to implement and enforce … Authority: This action is issued under the authority of Section 112 of the Clean Air Act, as amended, 42 U.S.C. Section 7412. Dated: February 18, 2000. David P.
65 FR 11231Environmental Protection AgencyFederal Register · Rule · Aug 12, 2016
We received three comments during the comment period on our proposed SIP disapproval. … Comment: Luminant stated that we must reopen the comment period for the CSAPR Update rulemaking.
81 FR 53284Environmental Protection AgencyFederal Register · Notice · Oct 5, 2022
The agency is announcing a 60-day public comment period to solicit information and recommendations from a broad array of individuals and organizations with knowledge and expertise relating to the built … Authority: Title IV of the Superfund Amendments and Reauthorization Act (SARA); Title III Toxic Substances Control Act (TSCA); Clean Air Act (CAA). Jonathan D.
87 FR 60396Environmental Protection AgencyFederal Register · Rule · Oct 4, 2019
Montana's Progress Report addresses requirements of the Clean Air Act (CAA or Act) and the Federal Regional Haze Rule that require each state to submit periodic reports describing progress towards reasonable … Thus, in reviewing SIP submissions, the EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.
84 FR 53057Environmental Protection AgencyAir Quality Criteria for Carbon Monoxide (Second External Review Draft)
Federal Register · Notice · Oct 15, 1999
Required under sections 108 and 109 of the Clean Air Act, the purpose of this document is to provide an assessment of the latest, relevant scientific information that may have an impact on the next periodic … Sections 108 and 109 of the Clean Air Act require that the EPA carry out a periodic review and revision, where appropriate, of the criteria and the National Ambient Air Quality Standards (NAAQS) for the
64 FR 55923Environmental Protection AgencyUse of Ozone-Depleting Substances; Essential Use Determinations
Federal Register · Proposed Rule · Sep 1, 1999
Air Act. … essential under the Clean Air Act (42 U.S.C. 7671(8)).
64 FR 47719Health and Human Services DepartmentFood and Drug AdministrationFederal Register · Proposed Rule · Apr 2, 2002
This action pertains only to affected sources, as defined by the Clean Air Act hazardous air pollutant program, which are not located at major sources, as defined by the Clean Air Act operating permit … EPA will not institute a second comment period. Any parties interested in commenting on this action should do so at this time.
67 FR 15510Environmental Protection Agency
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