Intergovernmental relations

Air Plan Approval; Indiana; Volatile Organic Compounds; Cold Cleaner Degreasing

The Environmental Protection Agency (EPA) is approving revisions to the volatile organic compound (VOC) rules contained in the Indiana State Implementation Plan (SIP). The Indiana Department of Environmental Management (Indiana) modified its rules to allow the use of a VOC control device for cold cleaning degreasing operations as a compliance option to using low vapor pressure solvent for cleaning or degreasing machine parts. Rule language was also updated for clarity and consistency. EPA proposed to approve this action on August 30, 2023, and received no adverse comments.

Publication Date: 
Monday, December 18, 2023 - 4:00am

Air Plan Revisions; California; Sacramento Metropolitan Air Quality Management District

The Environmental Protection Agency (EPA) is proposing to approve a revision to the Sacramento Metropolitan Air Quality Management District (SMAQMD) portion of the California State Implementation Plan (SIP) concerning a rule submitted to address section 185 of the Clean Air Act (CAA or the Act). We are taking comments on this proposal and plan to follow with a final action.

Publication Date: 
Friday, December 15, 2023 - 4:00am

Air Plan Approval; California; Ventura County Air Pollution Control District

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Ventura County Air Pollution Control District (VCAPCD) portion of the California State Implementation Plan (SIP). These revisions concern definitions applicable to local rules that control emissions of volatile organic compounds (VOCs) from processing, production, gathering, and separation of crude oil and natural gas, and the transfer and storage of reactive organic compound liquids and petroleum material.

Publication Date: 
Tuesday, December 12, 2023 - 4:00am

Air Plan Disapproval; Louisiana; Excess Emissions

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is disapproving a State Implementation Plan (SIP) revision submitted by the State of Louisiana, through the Louisiana Department of Environmental Quality (LDEQ), on November 20, 2016, and supplemented on June 9, 2017. The submittals were in response to the EPA's national SIP call on June 12, 2015, concerning excess emissions during periods of Startup, Shutdown, and Malfunction (SSM).

Publication Date: 
Thursday, December 7, 2023 - 4:00am

Air Plan Approval; Indiana; Municipal Solid Waste Landfill State Plan Approval for Designated Facilities and Pollutants

The Environmental Protection Agency (EPA) is approving Indiana's state plan to control air pollutants from Municipal Solid Waste (MSW) Landfills. The Indiana Department of Environmental Management (IDEM) submitted the state plan on March 20, 2023. The Indiana MSW landfill state plan was submitted to fulfill the state's obligations under section 111(d) of the Clean Air Act (CAA) to implement and enforce the requirements under the MSW Landfills Emission Guidelines (EG). EPA is approving the state plan.

Publication Date: 
Thursday, December 7, 2023 - 4:00am

Air Plan Approval; Ohio; Volatile Organic Compounds

The Environmental Protection Agency (EPA) is approving into the Ohio State Implementation Plan (SIP) a source-specific volatile organic compound (VOC) limit, excluding water and exempt solvents, for the applicable process lines at Forest City Technologies, Plant 4, in Wellington, Ohio as contained in the June 23, 2020, operating permit issued by the Ohio Environmental Protection Agency. On August 14, 2023, EPA proposed to approve this action and received no adverse comments.

Publication Date: 
Tuesday, December 5, 2023 - 4:00am

Approval and Promulgation of Implementation Plans; New York; Elements of the 2008 and 2015 Ozone National Air Quality Standards

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New York for purposes of certifying and meeting the requirements for Reasonably Available Control Technology (RACT) for the Serious classification of the 2008 and Moderate classification of the 2015 8-hour Ozone National Ambient Air Quality Standards (NAAQS). The EPA is also approving that this SIP revision fulfills SIP requirements pertaining to the Ozone Transport Region (OTR) for the 2015 Ozone NAAQS.

Publication Date: 
Thursday, November 9, 2023 - 4:00am

Air Plan Approval and Disapproval; Colorado; Serious Attainment Plan Elements and Related Revisions for the 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area

The Environmental Protection Agency (EPA) is approving portions and disapproving portions of a state implementation plan (SIP) revision submitted by the State of Colorado to meet Clean Air Act (CAA) requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS) in the Denver Metro/North Front Range nonattainment area (DMNFR Area). Specifically, the EPA is approving the submitted enhanced monitoring SIP element as meeting applicable Serious area requirements for the 2008 8-hour ozone NAAQS, and is disapproving the contingency measure element of the SIP submittal.

Publication Date: 
Tuesday, November 7, 2023 - 4:00am

Air Plan Approval; FL; Miscellaneous SIP Revision

The Environmental Protection Agency (EPA) is approving a Florida State Implementation Plan (SIP) revision, submitted by the State of Florida through the Florida Department of Environmental Protection (FDEP) on April 1, 2022. The SIP revision revises multiple stationary source rules in Florida's SIP with substantive and minor changes throughout. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Monday, November 6, 2023 - 4:00am

Air Plan Approval; North Carolina; Revisions to Miscellaneous Particulate Matter Rules

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of North Carolina through the North Carolina Division of Air Quality (NCDAQ) via a letter dated April 13, 2021. The SIP revision seeks to modify the State's emission control standards by amending several air quality rules and removing a redundant rule for electric utility boilers. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Friday, November 3, 2023 - 4:00am

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