WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency (EPA) has issued a proposed rule to approve Louisiana's revised State Implementation Plan (SIP) for the Evangeline Parish sulfur dioxide (SO2) nonattainment area, targeting compliance with the 2010 1-hour primary National Ambient Air Quality Standard (NAAQS).

This plan, submitted by the Louisiana Department of Environmental Quality on April 2, 2025, responds to long-standing Clean Air Act (CAA) requirements after . . .

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