In addition to Part 136 methods, some approved industry-specific methods are published or incorporated by reference at 40 CFR Parts 401 through 503.
You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.
- 900.0: Gross Alpha and Gross Beta Radioactivity in Drinking Water (PDF)(10 pp, 142 K, 1980)
- 903.0: Alpha-Emitting Radium Isotopes in Drinking Water (PDF)(8 pp, 128 K, 1980)
- 903.1: Radium-226 in Drinking Water (Radon Emanation Technique) (PDF)(12 pp, 179 K, 1980)