EPA regulations for effluent discharge EPA regulations for effluent discharge EPA regulations for effluent discharge Categorical Effluent Guidelines EPA regulations for effluent discharge Code of Federal Regulations Title 40 Part 405-471 “Industrial Effluent Guidelines https://www.epa.gov/eg/industrial-effluent-guidelines EPA maintains a list of categorical users EPA regulations for effluent discharge (levels of contaminants) of the plant’s effluent Code of Federal Regulations Title 40 Part 405-471 “Industrial Effluent Guidelines regulations regulations Industrial Effluent Guidelines الأصل https://www.epa.gov/eg/industrial-effluent-guidelines regulations Industrial Effluent Guidelines