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- Method 303 training video (MP4 file) (88.3 MB)
Method and Fact SheetYou may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Method 303 Determination of Visible Emissions From By-Product Coke Oven Batteries 1-14-2019 (PDF)(21 pp, 299 K)
- Clarification of Requirements for Method 303 Certification Training - Final Rule (prepublication) (PDF)(17 pp, 79 K)
- Fact Sheet: Clarification of Requirements for Method 303 Certification Training (PDF)(2 pp, 19 K, February 2016)