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Regulation & law · 05/09/2025

EPA Proposes Approval of South Carolina's State Implementation Plan for Ozone NAAQS

The Environmental Protection Agency (EPA) is proposing to approve South Carolina's State Implementation Plan (SIP) revision for maintaining the 2008 ozone National Ambient Air Quality Standard (NAAQS) through 2036 for the Charlotte-Gastonia-Rock Hill Area in South Carolina.

Original source language: Federal Register — All DocumentsOpen original release →

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