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 will need Adobe 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, 2 MB)
- Appendices for the TSD for the Proposed Toxics Rule (PDF)(42 pp, 1 MB)
- Electric Generating Utility Mercury Speciation Profiles for the Clean Air Mercury Rule (PDF)(61 pp, 298 K)
- Hazardous Air Pollutants in Support of the Final Mercury and Air Toxics Standard (PDF)(19 pp, 323 K)