Jun 26, 2023· Comment submitted by National Parks Conservation Association (NPCA)· EPA-HQ-OAR-2018-0794-5922
Filed on regulations.gov — full text not in the inline record.
EPARulemakingEPA-HQ-OAR-2018-0794
National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units - Additional Post-Promulgation Actions
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Last modified
Dec 18, 2025
Comment window
closed 351d ago
National Parks Conservation Association filings
2
Activity
National Parks Conservation Association filed 2 comments on this docket between Apr 18, 2019 and Jun 26, 2023. 129 other organizations filed here. The comment window closed 351d ago.
What National Parks Conservation Association filed (2)
Apr 18, 2019· Comment submitted by Stephanie Kodish, Senior Director & Counsel, Clean Air Program, National Parks Conservation Association (NPCA)· EPA-HQ-OAR-2018-0794-1126
Filed on regulations.gov — full text not in the inline record.
Abstract
The U.S. Environmental Protection Agency is proposing to repeal specific amendments to the National Emission Standards for Hazardous Air Pollutants for Coal- and Oil-Fired Electric Utility Steam Generating Units (EGUs), commonly referred to as the Mercury and Air Toxics Standards (MATS), that were promulgated on May 7, 2024. The amendments that the EPA is proposing to repeal include the revised filterable particulate matter (fPM) emission standard, which serves as a surrogate for non-mercury hazardous air pollutant (HAP) metals for existing coal-fired EGUs; the revised fPM emission standard compliance demonstration requirements; and the revised mercury (Hg) emission standard for lignite-fired EGUs.
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