National Mining Association filed 4 comments on this docket between Apr 23, 2019 and Aug 13, 2025. 129 other organizations filed here. The comment window closed 351d ago.
The National Mining Association submits these comments in response to the U.S. Environmental Protection Agency's proposal to repeal the more stringent standards adopted in 2024 for hazardous air pollutants from coal- and oil-fired power plants under the Clean Air Act, commonly referred to as the Mercury and Air Toxics Standards. 90 Fed. Reg. 25,535 (June 17, 2025); Docket ID No. EPA-HQ-OAR-2018-0794.
Filed on regulations.gov — full text not in the inline record.
The National Mining Association submits the attached comments on the U.S. Environmental Protection Agency's proposed rule, "National Emissions Standards for Hazardous Air Pollutants: Coal- and Oil-fired Electric Utility Steam Generating Units—Revocation of the 2020 Reconsideration, and Affirmation of the Appropriate and Necessary Supplemental Finding" (commonly referred to as the Mercury and Air Toxics Standards rule).
The National Mining Association submits these comments in response to the U.S. Environmental Protection Agencys proposed rule, National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating UnitsReconsideration of Supplemental Finding and Residual Risk and Technology Review," 84 Fed. Reg. 2670 (Feb. 7, 2019).
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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