Various memos on categorical pretreatment standards.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- EPA’s New Source Dates for Direct and Indirect Dischargers Memorandum (PDF)(18 pp, 494 K)
- Applicability of Effluent Guidelines and Categorical Pretreatment Standards to Biodiesel Manufacturing (PDF)(13 pp, 606 K)
- Applicability of Categorical Pretreatment Standards to Zero Discharge Facilities within Letter from the United States Environmental Protection Agency dated Apr 16, 1993 to Mr. Robert F. Babcock (PDF)(6 pp, 334 K)
- Applicability of Categorical Pretreatment Standards to Industrial Users Conducting Research and Development Operations (PDF)(3 pp, 335 K)