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Energy & environment · 01/04/2026

EPA Finalizes Amendments to National Emission Standards for Hazardous Air Pollutants in Chemical Manufacturing Area Sources

The Environmental Protection Agency (EPA) has finalized amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Chemical Manufacturing Area Source (CMAS) categories, including new leak detection and repair requirements and electronic reporting standards.

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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