National Pretreatment Program Industrial User
Various memos on categorical pretreatment standards.
- EPA’s New Source Dates for Direct and Indirect Dischargers Memorandum (pdf)
- Applicability of Effluent Guidelines and Categorical Pretreatment Standards to Biodiesel Manufacturing (pdf)
- 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)
- Applicability of Categorical Pretreatment Standards to Industrial Users Conducting Research and Development Operations (pdf)