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Air Plan Approval; GA: Non-Interference Demonstration and Maintenance Plan Revision for the Removal of Transportation Control Measures in the Atlanta Area
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by Georgia, through the Georgia Environmental Protection Division (GA EPD), on September 16, 2019, for the purpose of removing certain transportation control measures (TCMs) from the SIP for the thirteen counties in the Atlanta, Georgia,...
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Air Plan Approval; WA; Regional Haze Best Available Retrofit Technology Revision for TransAlta Centralia Generation Plant
The Environmental Protection Agency (EPA) is proposing to approve a source-specific State Implementation Plan (SIP) revision submitted by the Washington State Department of Ecology (Ecology) on December 18, 2020. The SIP revision makes changes to nitrogen oxide control requirements for the TransAlta Centralia Generation Plant (TransAlta). These...
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Air Plan Approval; AL; NOX
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Alabama through a letter dated February 27, 2020, to add regulations maintaining compliance with the State's Nitrogen Oxide (NO<INF>X</INF>) SIP Call obligations for large non-electricity generating units...
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Air Plan Approval; Tennessee; Nitrogen Oxides SIP Call Plan
The Environmental Protection Agency (EPA) is approving 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 Pollution...
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Air Plan Approval; Minnesota; Revision to Taconite Federal Implementation Plan
The Environmental Protection Agency (EPA) is revising a Federal implementation plan (FIP) addressing the requirement for best available retrofit technology (BART) for the United States Steel Corporation's (U.S. Steel) taconite plant located in Mt. Iron, Minnesota (Minntac or Minntac facility). We are revising the nitrogen oxides (NO<INF>X</INF>)...
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Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Southwest Indiana Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is redesignating the Southwest Indiana nonattainment area, which consists of a portion of Daviess County and a portion of Pike County (Veale Township in Daviess County and Washington Township in Pike County), to attainment for the 2010 primary, health- based...
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Air Plan Approval; KY; Updates to Attainment Status Designations
The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky, through the Kentucky Division for Air Quality (KDAQ), on December 9, 2019. The SIP revision updates the description and attainment status designations of geographic areas within the...
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Air Plan Approval; Illinois; Removal of Variance for Illinois Power Holdings and AmerenEnergy Medina Valley Cogen Facilities
The Environmental Protection Agency (EPA) is approving a revision to the Illinois State Implementation Plan (SIP) submitted on January 23, 2020, by the Illinois Environmental Protection Agency (IEPA). The revision removes the variance from the sulfur dioxide (SO<INF>2</INF>) requirements of the Illinois Administrative Code (IAC) Multi-Pollutant...
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Air Plan Approval; Tennessee; Emissions Inventory and Nonattainment New Source Review Plan for Sullivan County SO2
The Environmental Protection Agency (EPA) is taking final action to approve portions of State Implementation Plan (SIP) revisions submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), on May 12, 2017. The portions that EPA is approving are the emissions inventory and nonattainment new...
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Air Plan Approval; North Carolina; Revisions to Construction and Operation Permits
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina through the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), on July 10, 2019. The SIP revision seeks to modify the State's...
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Air Plan Approval; North Carolina: Permits Requiring Public Participation
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of North Carolina, through the North Carolina Department of Environmental Quality (NCDEQ), Division of Air Quality, on July 10, 2019. This SIP revision seeks to modify the State's permitting program public participation...
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Approval and Promulgation of Implementation Plans; Utah; R307-204 Emission Standards: Smoke Management
EPA is proposing to approve a State Implementation Plan (SIP) revision package submitted by the State of Utah on November 5, 2019. The November 5, 2019 revision amends R307-204 to meet the requirements set forth in Utah's 2019 House Bill (H.B.) 155. This action is being taken under section 110 of the Clean Air Act (CAA).
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Air Plan Approval; Ohio; NSR Program Administrative Rules
The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), new and updated administrative rules for the Ohio State Implementation Plan (SIP) for the New Source Review (NSR) permitting program. The new and amended administrative rules in the Ohio Administrative Code (OAC) would replace the currently...
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Approval and Promulgation of Implementation Plans; State of Utah; Logan, Utah-Idaho PM2.5
The Environmental Protection Agency (EPA) is proposing to approve the request by the State of Utah to redesignate the Logan, Utah-Idaho (UT-ID) nonattainment area (NAA) (``Logan NAA'') to attainment status for particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>), and to approve related...
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Approval and Promulgation of Implementation Plans; Colorado; Revisions to Regulation Number 7 and RACT Requirements for 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area
The Environmental Protection Agency (EPA) is approving and conditionally approving State Implementation Plan (SIP) revisions submitted by the State of Colorado on May 31, 2017, May 14, 2018 and May 8, 2019. The revisions are to Colorado Air Quality Control Commission (Commission or AQCC) Regulation Number 7 (Reg. 7). The revisions to Reg. 7...
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Air Plan Approval; Washington; Spokane Regional Clean Air Agency
The Environmental Protection Agency (EPA) is proposing to approve a revision to the Washington State Implementation Plan (SIP) that was submitted by the Department of Ecology (Ecology) in coordination with the Spokane Regional Clean Air Agency (SRCAA). This proposed revision updates the SIP with local SRCAA regulations that apply in lieu of, or...
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Approval and Promulgation of Implementation Plans; South Dakota; Revisions to Air Rules of South Dakota
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of South Dakota on January 3, 2020 that revises the Administrative Rules of South Dakota (ARSD), Air Pollution Control Program, updating the chapter pertaining to definitions. The EPA is taking this action pursuant...
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Air Quality State Implementation Plans; Approval and Promulgation of Implementation Plans; Utah; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Correction
On June 1, 2020, the Environmental Protection Agency (EPA) published a rulemaking proposing to approve multiple elements of the infrastructure SIP requirements for the 2015 ozone NAAQS for the State of Utah, while taking no action on three infrastructure elements (85 FR 33052). On September 16, 2020, we published a rulemaking taking final action...
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Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-hour PM2.5
The Environmental Protection Agency (EPA) is proposing to approve parts of state implementation plan (SIP) submissions, submitted by the State of Alaska (Alaska or the State) to address Clean Air Act (CAA or Act) requirements for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS) in the...
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Approval and Promulgation of Implementation Plans; United States Virgin Islands; Regional Haze Federal Implementation Plan; Correction
On October 22, 2012, the EPA published a final rule in the Federal Register promulgating a Federal Implementation Plan (FIP) intended to address regional haze obligations for the Territory of the United States Virgin Islands. However, at that time EPA erroneously failed to incorporate into the Code of Federal Regulations (CFR) certain emission...