These documents were developed in support of the Mercury and Air Toxics Standards (MATS). They include the Technical Support Document for the Proposed Toxics Rule and its Appendices, a memorandum on Electric Generating Utility Mercury Speciation Profiles for the Clean Air Mercury Rule
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Proposed Toxic Rule (PDF)(61 pp, 8 MB)
- Appendices for the TSD for the Proposed Toxics Rule (PDF)(47 pp, 4 MB)
- Electric Generating Utility Mercury Speciation Profiles for the Clean Air Mercury Rule (PDF)(67 pp, 8 MB)
- Hazardous Air Pollutants in Support of the Final Mercury and Air Toxics Standard (PDF)(20 pp, 2 MB)