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Final Rules Air Quality Standards State Implementation Plans (SIPs)

Locke Lord LLP

EPA’s New Particulate Rule: A ‎Particular Issue for Industry

Locke Lord LLP on

I. Background. On February 7, 2024, EPA issued a final rule lowering the annual health-based air quality standard for fine particulates (pm 2.5) to 9 ug/m3 from 12 ug/m3. The Rule will impact industries and many...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Regional Haze/Arkansas: U.S. Environmental Protection Agency Announces Approval of Five-Year Progress Report

The United States Environmental Protection Agency (“EPA”) published a final rule in the October 1st Federal Register approving the State of Arkansas’s Regional Haze Five-Year Progress Report. See 84 Fed. Reg. 51986. EPA...more

Katten Muchin Rosenman LLP

EPA Issues Final Guidance for States for Consideration of PM2.5 Precursors

On May 30, 2019, the U.S. Environmental Protection Agency (EPA) issued a final memorandum on fine particulate matter (PM2.5) precursor demonstration guidance. Memorandum from Scott Mathias, Acting Director, EPA Air Quality...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Arkansas State Implementation Plan Revisions Approval: August 8th U.S. Environmental Protection Agency Federal Register Notice...

The United States Environmental Protection Agency (“EPA”) published an August 8th Federal Register notice containing a direct final rule that approves revisions to the Arkansas State Implementation Plan (“SIP”). See 83 Fed....more

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