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TypeTitleDateState
Final Regulations40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Maryland; Ohio11/20/2009National
NoticesAgency Information Collection Activities; Submission to OMB for Review and Approval; Comment Request; Pressed Wood Manufacturing Industry Survey11/20/2009National
Proposed Regulations40 CFR 52 and 81 - Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Tennessee11/19/2009National
NoticesFinal Notice of Data Availability Concerning Compliance Supplement Pool Allowance Allocations Under the Clean Air Interstate Rule Federal Implementation Plan11/17/2009National
Proposed Regulations40 CFR 60, 61, and 63 - Emissions Factors Program Improvements11/13/2009National
Final Regulations40 CFR 81 - Air Quality Designations for the 2006 24-Hour Fine Particle National Ambient Air Quality Standards11/13/2009National
NoticesAgency Information Collection Activities: Information Collection Effort for New and Existing Coal- and Oil-fired Electric Utility Steam Generating Units11/10/2009National
Final Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans11/03/2009National
Proposed Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans11/03/2009National
Final Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans; Withdrawal of Direct Final Rule11/03/2009National
Proposed Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans; Withdrawal of Proposed Rule11/03/2009National
NoticesAgency Information Collection Activities; Analysis of Archived Environmental Samples from the American Healthy Homes Survey (New)11/03/2009National
NoticesRelease of Draft Document Related to the Review of the National Ambient Air Quality Standards for Carbon Monoxide10/29/2009National
NoticesScience Advisory Board Staff Office Notification of a Public Teleconference of the Clean Air Scientific Advisory Committee Ozone Review Panel10/22/2009National
NoticesEPA Science Advisory Board Staff Office; Request for Nominations of Experts for the SAB Polycyclic Aromatic Hydrocarbon Mixtures Review Panel10/21/2009National
NoticesScience Advisory Board Staff Office; Notification of a Clean Air Scientific Advisory Committee Carbon Monoxide Review Panel Meeting and Teleconference10/21/2009National
NoticesReview of the National Ambient Air Quality Standards for Ozone10/19/2009National
Proposed Regulations40 CFR 60, 61, and 63 - Emissions Factors Program Improvements10/14/2009National
Notices2009 Fall Meeting of the Ozone Transport Commission10/13/2009National
Final Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans10/08/2009National
Proposed Regulations40 CFR 52 - Approval and Promulgation of Implementation Plans; Corrections to the Arizona and Nevada State Implementation Plans10/08/2009National
NoticesDraft Documents Related to the Review of the National Ambient Air Quality Standards for Particulate Matter10/05/2009National
NoticesExtension of Public Comment Period: Second External Review Draft Integrated Science Assessment for Particulate Matter10/05/2009National
Proposed Regulations40 CFR 55 - Outer Continental Shelf Air Regulations Consistency Update for New Jersey10/02/2009National
Proposed Regulations40 CFR 49 - Assessment of Anticipated Visibility Improvements at Surrounding Class I Areas and Cost Effectiveness of BART for Four Corners Power Plant and Navajo Generating Station09/30/2009National
Proposed Regulations40 CFR 52 - Determination of Attainment of the 1997 8-Hour Ozone Standard for Imperial County, CA09/23/2009National
Proposed Regulations40 CFR 52 - Determinations of Attainment of the One-Hour and Eight-Hour Ozone Standards for Nonattainment Areas in New Jersey and New York09/23/2009National
NoticesAvailability of FY 08 Grantee Performance Evaluation Reports09/23/2009National
NoticesDraft Integrated Science Assessment for Carbon Monoxide09/23/2009National
NoticesReport for Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Oxides of Sulfur09/23/2009National
NoticesClean Air Act Advisory Committee (CAAAC): Notice of Meeting09/17/2009National
NoticesRelease of Draft Documents Related to the Review of the National Ambient Air Quality Standards for Particulate Matter09/10/2009National
NoticesScience Advisory Board Staff Office; Notification of a Public Meeting and Public Teleconference(s) of the Clean Air Scientific Advisory Committee Particulate Matter Review Panel09/10/2009National
Proposed Regulations40 CFR 60 - Revisions to Test Method for Determining Stack Gas Velocity Taking Into Account Velocity Decay Near the Stack Walls09/09/2009National
NoticesAdequacy Status of the Metropolitan Washington DC Area 8-Hour Ozone Non-Attainment Area's Reasonable Further Progress Plan Vehicle Emission Budgets for Transportation Conformity Purposes09/04/2009National
Proposed Regulations40 CFR 52 and 81 - Approval and Promulgation of Implementation Plans; Puerto Rico; Guaynabo PM10 Limited Maintenance Plan and Redesignation Request09/02/2009National
NoticesExtension of Public Comment Period: Second External Review Draft Integrated Science Assessment for Particulate Matter08/31/2009National
Proposed Regulations40 CFR 49 - Assessment of Anticipated Visibility Improvements at Surrounding Class I Areas and Cost Effectiveness of BART for Four Corners Power Plant and Navajo Generating Station08/28/2009National
Proposed Regulations40 CFR 81 - Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley, South Coast Air Basin, Coachella Valley, and Sacramento Metro Ozone Nonattainment Areas; Reclassification08/27/2009National
NoticesAgency Information Collection Activities; Information Collection Request for Proposed Regional Haze Regulations08/26/2009National
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