🌬️Colorado Air Quality Plan Approval for Ozone Standards
The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) submittals under the Clean Air Act (CAA) that address contingency measures requirements for the 2008 ozone National Ambient Air Quality Standards (NAAQS) for the Denver Metro/North Front Range (DMNFR) ozone nonattainment area. The requirements at issue relate to the area's previous Serious nonattainment classification. The EPA is proposing to find that the State has met the applicable CAA requirements for Serious area contingency measures and is proposing approval of the contingency measures SIP submittals, except that we are not taking action on one of the two identified contingency measures included in the submittals. In addition, the EPA is proposing to approve regulatory revisions that Colorado adopted to implement the submitted motor vehicle coating contingency measure. The EPA is taking this action pursuant to the CAA.
Learn More🌬️New York EPA Emission Statement Certification and Compliance
The Environmental Protection Agency (EPA) is proposing to approve portions of the comprehensive State Implementation Plan (SIP) revisions submitted by New York that certify that the State has satisfied the requirements for an emission statement program for both the Serious and Moderate classifications of the 2008 and 2015 ozone National Ambient Air Quality Standards (NAAQS), respectively. These actions are being taken in accordance with the requirements of the Clean Air Act (CAA or Act).
Learn More🌫️Tehama County Air Quality Permit Regulations Impact on Businesses
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Tehama County Air Pollution Control District's (TCAPCD or "District") portion of the California State Implementation Plan (SIP). This revision governs the District's issuance of permits for stationary sources and focuses on the preconstruction review and permitting of major sources and major modifications under part D of title I of the Clean Air Act (CAA or "the Act").
Learn More🌬️EPA Approves Kansas Air Plan; Emission Inventory and Fees Revised
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) and Operating Permits Program and the 112(l) plan submitted by the State of Kansas on February 20, 2023. The revised Kansas rules update the Class I emission fee and emissions inventory regulations, establish a Class II fee schedule and ensure that Kansas's Operating Permits Program is adequately funded. Approval of these revisions ensures consistency between the State and federally-approved rules and does not impact air quality.
Learn More🌍Allegheny County Redesignation for Sulfur Dioxide Standards Approved
The Environmental Protection Agency (EPA) is approving both a redesignation request and state implementation plan (SIP) revision submitted on November 14, 2023 by the Commonwealth of Pennsylvania on behalf of the Allegheny County Health Department (ACHD). The request asked the EPA to redesignate the Allegheny County, Pennsylvania area from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS), while the revision included Allegheny County's maintenance plan for the 2010 1-hour primary SO<INF>2</INF> standard for the Allegheny County Area. The EPA is approving this redesignation of the Allegheny County Area from nonattainment to attainment for the 2010 SO<INF>2</INF> NAAQS and the revision to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).
Learn More🌬️EPA Updates Wisconsin Air Quality Regulations
The Environmental Protection Agency (EPA) is revising the format for materials that are made part of the Wisconsin State Implementation Plan (SIP) through the process of incorporation by reference (IBR). The regulations and materials affected by this format change have all been previously submitted by Wisconsin and approved by EPA as part of the SIP.
Learn More🌬️EPA Approves Connecticut's SIP Revisions for Ozone Standards
The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of Connecticut for the 2015 ozone National Ambient Air Quality Standard (NAAQS). These revisions certify the adequacy of the SIP to satisfy the nonattainment new source review permitting requirements of the Clean Air Act (CAA) for the reclassification of the Greater Connecticut area to moderate nonattainment for the 2015 ozone NAAQS, and certify the emission statement program satisfies CAA requirements for the initial nonattainment designations and the reclassification to moderate nonattainment for the 2015 ozone NAAQS. This action is being taken in accordance with the CAA.
Learn More🌫️Proposed Approval of West Virginia's Regional Haze SIP
The Environmental Protection Agency (EPA) is proposing to approve the regional haze State implementation plan (SIP) revision submitted by West Virginia (West Virginia, WV, or the State) on August 12, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is proposing this action pursuant to the CAA. The EPA is also withdrawing its previous proposed rule to disapprove West Virginia's regional haze SIP revision as published in the Federal Register on January 21, 2025.
Learn More🌬️Ohio EPA Approves Stricter VOC Limits Affecting Local Businesses
The Environmental Protection Agency (EPA) is approving a September 28, 2023, State Implementation Plan (SIP) submittal from the Ohio Environmental Protection Agency (Ohio EPA). The SIP submittal consists of a source-specific volatile organic compound (VOC) limitation for a flexographic printing line cold cleaner at the Valgroup company's plastic extrusion plant in Findlay, Ohio. The source-specific limitation reflects the technological differences between the facility's new control unit and cold cleaner requirements currently established in Ohio's SIP. Ohio EPA has determined that the source-specific VOC limitation for the cold cleaner is more stringent than existing cold cleaner limits in the Ohio SIP. EPA proposed to approve this action on October 7, 2024, and received no adverse comments.
Learn More🌬️Spokane Air Quality Regulation Updates and Business Implications
The Environmental Protection Agency (EPA) is approving revisions to the Washington State Implementation Plan (SIP) that were submitted by the Department of Ecology (Ecology) in coordination with the Spokane Regional Clean Air Agency (SRCAA). In 2021, the EPA approved a comprehensive update to the SRCAA general air quality regulations in the SIP, which include new source review permitting requirements as well as other general requirements for sources regulated under SRCAA's jurisdiction. In this action, the EPA is approving additional updates to the SRCAA general air quality regulations promulgated since our comprehensive approval in 2021.
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