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      "summary": "Pursuant to the Clean Air Act (CAA or the Act), the U.S. Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the State of Arkansas through the Division of Environmental Quality (DEQ) on August 8, 2022, clarified by DEQ on July 29, 2025, and further supplemented on May 4, 2026, to satisfy the requirements of the Act and the EPA's R",
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