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Implementation of the Revoked 1997 8-Hour Ozone National Ambient Air Quality Standards; Updates to 40 CFR Part 52 for Areas That Attained by the Attainment Date; Withdrawal of Direct Final Rule
Due to the receipt of adverse comment, the Environmental Protection Agency (EPA) is withdrawing the October 9, 2020, direct final rule to update the Code of Federal Regulations (CFR) to codify its findings that nine areas in four states attained the revoked 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) by the applicable...
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Revised Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS
This proposed action is taken in response to the United States Court of Appeals for the District of Columbia Circuit's (D.C. Circuit) remand of the Cross-State Air Pollution Rule (CSAPR) Update in Wisconsin v. EPA on September 13, 2019. The CSAPR Update finalized Federal Implementation Plans (FIPs) for 22 states to address their interstate...
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Implementation of the Revoked 1997 8-Hour Ozone National Ambient Air Quality Standards; Updates to 40 CFR Part 52 for Areas That Attained by the Attainment Date
The Environmental Protection Agency (EPA) is updating part 52 of title 40, chapter 1 of the Code of Federal Regulations (CFR) to codify its findings that nine areas in four states attained the revoked 1997 8-hour ozone National Ambient Air Quality Standards (herein referred to as the 1997 ozone NAAQS) by the applicable attainment dates. In...
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Implementation of the Revoked 1997 8-Hour Ozone National Ambient Air Quality Standards; Updates for Areas that Attained by the Attainment Date
The Environmental Protection Agency (EPA) is proposing updates to the Code of Federal Regulations (CFR) to codify its findings that nine areas in four states attained the revoked 1997 8-hour ozone National Ambient Air Quality Standards (herein referred to as the 1997 ozone NAAQS) by the applicable attainment dates. The parallel direct final rule...
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Air Plan Approval; Wisconsin; VOC RACT for the Wisconsin Portion of the Chicago-Naperville, Illinois-Indiana-Wisconsin Area
The Environmental Protection Agency (EPA) is approving the volatile organic compounds (VOC) reasonably available control technology (RACT) State Implementation Plan (SIP) revision, submitted by the Wisconsin Department of Natural Resources (WDNR or Wisconsin) on January 21, 2020 and February 12, 2020. The Clean Air Act (CAA) requires states to...
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Revisions to Appendix P to 40 CFR Part 51, Concerning Minimum Emission Reporting Requirements in SIPs
The Environmental Protection Agency (EPA) is amending a regulation that specifies what State Implementation Plans (SIPs) must require of sources in four categories with respect to continuous emission monitoring, recording, and reporting. Specifically, the amendments revise provisions that specify the minimum frequency for submitting reports of...