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Last updateFri, 18 Jan 2019 3pm

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End-User News

EPA: Mercury Rules Not ‘Appropriate and Necessary’

The EPA issued a proposed revised Supplemental Cost Finding for the Mercury and Air Toxics Standards (MATS), as well as the Clean Air Act-required “risk and technology review.” The agency proposes to determine that it is not “appropriate and necessary” to regulate HAP emissions from power plants under Section 112 of the Clean Air Act.

The emission standards and other requirements of the MATS rule, first promulgated in 2012, would remain in place as EPA is not proposing to remove coal- and oil-fired power plants from the list of sources that are regulated under Section 112 of the Act. The proposal also contains the required “risk and technology review,” concluding that no changes to the MATS rule are needed, and also takes comment on establishing a separate subcategory for certain units that rely on coal refuse. 

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