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Air Plan Approval; TN; Nitrogen Oxides SIP Call Plan
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision concerning nitrogen oxides (NO<INF>X</INF>) emissions submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), through a letter dated December 19, 2019, which revises the Tennessee Air...
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Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to Air Pollution Emission Notice Rules
The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions and renumbering submitted by the State of Colorado on May 8, 2019. Specifically, the EPA is proposing to approve amendments to Colorado's Stationary Source Permitting and Air Pollution Emission Notice Requirements in 5 CCR 1001-5,...
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Maintenance Plan and Redesignation Request for the Ajo PM10
The Environmental Protection Agency (EPA) is proposing to approve the ``Ajo PM<INF>10</INF> Redesignation Request and Maintenance Plan (May 3, 2019)'' (``Ajo PM<INF>10</INF> Maintenance Plan'' or ``Plan'') as a revision to the state implementation plan (SIP) for the State of Arizona. The Ajo PM<INF>10</INF> Maintenance Plan includes, among other...
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Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Utah
On October 1, 2015, the Environmental Protection Agency (EPA) promulgated the 2015 ozone National Ambient Air Quality Standard (NAAQS), revising the standard to 0.070 parts per million. Whenever a new or revised is promulgated, the Clean Air Act (CAA or Act) requires each state to submit a State Implementation Plan (SIP) revision for the...
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Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District and Feather River Air Quality Management District
The Environmental Protection Agency (EPA) is proposing to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD or District) and the Feather River Air Quality Management District (FRAQMD) portions of the California State Implementation Plan (SIP) under the Clean Air Act (CAA or Act). For the SJVUAPCD, these...
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Air Plan Approval; Connecticut; Infrastructure State Implementation Plan Requirements for the 2015 Ozone Standard
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision addresses the infrastructure requirements of the Clean Air Act (CAA or Act)--excluding the interstate transport provisions--for the 2015 ozone National Ambient Air Quality Standards...
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Air Plan Approval; WA; Infrastructure Requirements for the 2010 Sulfur Dioxide and 2015 Ozone Standards
Whenever a new or revised National Ambient Air Quality Standard (NAAQS) is promulgated, the Clean Air Act (CAA) requires states to submit a plan for the implementation, maintenance, and enforcement of the standard, commonly referred to as infrastructure requirements. The Environmental Protection Agency (EPA) is proposing to approve Washington...
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Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Arizona; Nonattainment Plan for the Hayden SO2
The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove an Arizona state implementation plan (SIP) revision for attaining the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Hayden SO<INF>2</INF> nonattainment area (NAA). This...
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Air Plan Approval; GA: Permit Requirements
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Georgia, through the Georgia Environmental Protection Division (GA EPD), on October 18, 2019. This SIP revision makes minor edits to Georgia's rule prescribing permitting requirements. EPA has evaluated Georgia's...
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Determination of Failure To Attain by the Attainment Date and Denial of Serious Area Attainment Date Extension Request; AK: Fairbanks North Star Borough 2006 24-Hour Fine Particulate Matter Serious Nonattainment Area
The Environmental Protection Agency (EPA) is proposing to determine that the Fairbanks North Star Borough nonattainment area failed to attain the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standards (NAAQS) by the December 31, 2019 ``Serious'' area attainment date. This proposed determination is based on...
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Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; South Dakota; Revisions to the Administrative Rules of South Dakota
On October 1, 2015, the Environmental Protection Agency (EPA) promulgated the 2015 ozone NAAQS, revising the standard to 0.070 parts per million. Whenever a new or revised National Ambient Air Quality Standard (NAAQS) is promulgated, the Clean Air Act (CAA or Act) requires each state to submit a State Implementation Plan (SIP) revision for the...
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Air Plan Approval; OR; 2010 Sulfur Dioxide NAAQS Interstate Transport Requirements
The Environmental Protection Agency (EPA) proposes to approve the State Implementation Plan (SIP) submission from Oregon as meeting certain Clean Air Act (CAA) interstate transport requirements for the 2010 1-hour Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). Specifically, the EPA proposes to find that emissions...
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Approval and Limited Approval and Limited Disapproval of California Air Plan Revisions; San Diego County Air Pollution Control District; Stationary Source Permits
The Environmental Protection Agency (EPA) is proposing action on four permitting rules submitted as a revision to the San Diego County Air Pollution Control District (SDAPCD or ``District'') portion of the California State Implementation Plan (SIP). We are proposing a limited approval and limited disapproval of one rule and proposing approval of...
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Air Plan Approval; GA; Revision to I/M Program
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Georgia through a letter dated March 15, 2019, through the Georgia Department of Natural Resources (GA DNR), Environmental Protection Division (GA EPD). The proposed changes are to remove obsolete references,...
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Clean Air Plans; 2006 Fine Particulate Matter Nonattainment Area Requirements; San Joaquin Valley, California
The Environmental Protection Agency (EPA or ``Agency'') proposes to approve through parallel processing a state implementation plan (SIP) revision submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2006 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS or...
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Air Plan Approval; SC; NOX
The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the State of South Carolina through letters dated April 12, 2019, and July 11, 2019 to establish a SIP-approved state control program to comply with the Nitrogen Oxides (NO<INF>X</INF>) SIP call obligations for electric...
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Air Plan Approval; KY; Jefferson County Existing and New Miscellaneous Metal Parts and Products Surface Coating Operations
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Jefferson County portion of the Kentucky State Implementation Plan (SIP), submitted by the Commonwealth of Kentucky (Commonwealth), through the Energy and Environment Cabinet (Cabinet) on September 5, 2019. The revisions were submitted by the Cabinet on behalf of...
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Air Plan Approval; Arizona; Maricopa County Air Quality Department and Pima County Department of Environmental Quality
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Maricopa County Air Quality Department (MCAQD) and Pima County Department of Environmental Quality (PDEQ) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of particulate matter (PM) from nonmetallic mineral processing,...
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Review of the National Ambient Air Quality Standards for Particulate Matter
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for particulate matter (PM), the Administrator has reached proposed decisions on the primary and secondary PM NAAQS. With regard to the primary standards meant to protect against fine particle exposures...
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Approval of Air Quality Implementation Plans; New York; Infrastructure SIP Requirements for the 2012 PM2.5
The Environmental Protection Agency (EPA) is proposing to approve elements of the New York State Implementation Plan (SIP) submittal regarding infrastructure requirements for interstate transport of pollution with respect to the 2012 annual fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS) or standard.