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Air Plan Approval; Washington: Inspection and Maintenance Program
The Environmental Protection Agency (EPA) is approving a revision to the Washington State Implementation Plan (SIP) submitted by the State of Washington on June 2, 2019, through the Washington Department of Ecology. The revision, applicable in Clark, King, Pierce, Snohomish, and Spokane Counties, Washington, removes the Inspection and...
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Air Plan Approval; Massachusetts; Infrastructure State Implementation Plan Requirements for the 2015 Ozone Standard
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) submission by the Commonwealth of Massachusetts. Except as noted below, this submission satisfies the infrastructure requirements of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements...
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Review of the Ozone National Ambient Air Quality Standards
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for photochemical oxidants including ozone (O<INF>3</INF>), the EPA is retaining the current standards, without revision.
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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 final 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 and Promulgation of Air Quality Implementation Plans; Utah; Regional Haze State and Federal Implementation Plans
The Environmental Protection Agency (EPA) is finalizing approval of State Implementation Plan (SIP) revisions submitted by the State of Utah on July 3, 2019, as supplemented on December 3, 2019, to satisfy certain regional haze requirements for the regional haze program's first implementation period (Utah SIP revisions). The EPA is approving the...
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Air Quality Implementation Plan; California; Northern Sierra Air Quality Management District; Stationary Source Permits
The Environmental Protection Agency (EPA) is finalizing a revision to the Northern Sierra Air Quality Management District (NSAQMD or ``District'') portion of the California State Implementation Plan (SIP). In this action, we are approving a rule submitted by the NSAQMD that governs the issuance of permits for stationary sources, which focuses on...
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Air Plan Approval; ID, Incorporation by Reference Updates and Rule Revisions
The Environmental Protection Agency (EPA) is approving the State Implementation Plan (SIP) revisions submitted by Idaho on June 5, 2019 and May 27, 2020. The submitted revisions update the incorporation by reference of specific Federal requirements and clarify source permitting requirements. The EPA finds that the changes are consistent with...
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Air Plan Approval; Ohio; Technical Amendment
The Environmental Protection Agency (EPA) is finalizing the removal of the air pollution nuisance rule from the Ohio State Implementation Plan (SIP) using a Clean Air Act (CAA) error correction provision. EPA has determined that this rule was not relied upon by Ohio to demonstrate implementation, maintenance or enforcement of any national...
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Air Plan Approval; California; Sacramento Metropolitan Air Quality Management District
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Sacramento Metropolitan Air Quality Management District (SMAQMD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from the surface coating operations of plastic parts and...
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Determination of Attainment by the Attainment Date for the Salt Lake City, Utah and Provo, Utah 2006 24-Hour PM2.5
The Environmental Protection Agency (EPA) has determined that the Salt Lake City, Utah and Provo, Utah Serious nonattainment areas (NAAs) attained 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. The determination is based on...
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Air Plan Approval; California; Butte County; El Dorado County; Mojave Desert Air Quality Management District; San Diego County; Ventura County
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Butte County Air Quality Management District (BCAQMD), El Dorado County Air Quality Management District (EDCAQMD), Mojave Desert Air Quality Management District (MDAQMD), San Diego County Air Pollution Control District (SDCAPCD) and Ventura County Air...
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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 finalizing a partial approval and partial disapproval of 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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Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; California; South Coast Moderate Area Plan and Reclassification as Serious Nonattainment for the 2012 PM2.5
The Environmental Protection Agency (EPA) is taking final action to approve or conditionally approve portions of a state implementation plan (SIP) revision submitted by California to address Clean Air Act (CAA or ``Act'') requirements for the 2006 and 2012 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS...
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Air Plan Approval; Connecticut; Control of Particulate Matter and Visible Emissions
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision amends a Connecticut air-quality regulation for controlling particulate matter (PM) and visible emissions. The intended effect of this action is to define the process industries and activities to...
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Air Plan Approval; New Hampshire; Infrastructure State Implementation Plan Requirements for the 2015 Ozone and 2012 PM2.5
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire that 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 (NAAQS). We are also...
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Air Quality State Implementation Plans; Approval and Promulgation of Implementation Plans; South Dakota; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Revisions to Administrative Rules
The Environmental Protection Agency (EPA) is approving the State of South Dakota's January 15, 2020, State Implementation Plan (SIP) submission that addresses infrastructure requirements for the 2015 ozone National Ambient Air Quality Standards (NAAQS). Additionally, in this action, we are approving a SIP revision submitted by the State of South...
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Air Plan Approval; West Virginia; Redesignation of the Marshall Sulfur Dioxide Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan
The Environmental Protection Agency (EPA) is approving a redesignation request and state implementation plan (SIP) revisions submitted by the State of West Virginia related to the 2010 primary national ambient air quality standard (NAAQS or Standard) for sulfur dioxide (SO<INF>2</INF>) (2010 SO<INF>2</INF> NAAQS). Emissions of SO<INF>2</INF> in...
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Air Plan Approval; Pennsylvania; Attainment Plan for the Indiana, Pennsylvania Nonattainment Area for the 2010 Sulfur Dioxide Primary National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision is an attainment plan for the 2010 sulfur dioxide (SO<INF>2</INF>) primary national ambient air quality standard (NAAQS) in the Indiana County, Pennsylvania SO<INF>2</INF> nonattainment...
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Air Plan Approval; Texas; Construction Prior to Permit Amendment Issuance
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving one revision to the Texas (TX) State Implementation Plan (SIP) submitted on August, 2020, as adopted on July 15, 2020, that revised the State's New Source Review (NSR) permitting rules contained in Title 30 of the Texas Administrative...
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Air Plan Approval; Maine; Midcoast Area and Portland Second 10-Year Limited Maintenance Plans for 1997 Ozone NAAQS
Pursuant to the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Maine. On February 18, 2020, the State submitted its 1997 ozone national ambient air quality standards (NAAQS) Limited Maintenance Plans (LMPs) for the Portland and Midcoast areas. EPA...