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Mercury and Air Toxics Standards (MATS)

Recent Actions

July 17, 2020 - EPA finalized minor revisions to the electronic reporting requirements for MATS. Learn more

May 22, 2020 - EPA published a final revised Supplemental Cost Finding for MATS and the Clean Air Act required “risk and technology review.” Learn more

April 15, 2020 - EPA published a MATS subcategory for certain existing units that fire coal refuse. Learn more

Mercury and Air Toxics Standards (MATS)

Cleaner Power Plants

Healthier Americans

Safer Environment

Jerome Bettis talks about asthma and the effects of air pollution.


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Public service announcement about the EPA's Mercury
and Air Toxics Standards

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