{"data":{"id":"us/40-cfr-appendix-j-to-part-122","jurisdiction":"us","citation":"40 CFR Appendix J to Part 122","heading":"Appendix J to Part 122—NPDES Permit Testing Requirements for Publicly Owned Treatment Works (§ 122.21(j))","body":"Table 1A—Effluent Parameters for All POTWS\nBiochemical oxygen demand (BOD-5 or CBOD-5)\nFecal coliform\nDesign Flow Rate\npH\nTemperature\nTotal suspended solids\nTable 1—Effluent Parameters for All POTWS With a Flow Equal to or Greater Than 0.1 MGD\nAmmonia (as N)\nChlorine (total residual, TRC)\nDissolved oxygen\nNitrate/Nitrite\nKjeldahl nitrogen\nOil and grease\nPhosphorus\nTotal dissolved solids\nTable 2—Effluent Parameters for Selected POTWS\nHardness\nMetals (total recoverable), cyanide and total phenols\nAntimony\nArsenic\nBeryllium\nCadmium\nChromium\nCopper\nLead\nMercury\nNickel\nSelenium\nSilver\nThallium\nZinc\nCyanide\nTotal phenolic compounds\nVolatile organic compounds\nAcrolein\nAcrylonitrile\nBenzene\nBromoform\nCarbon tetrachloride\nChlorobenzene\nChlorodibromomethane\nChloroethane\n2-chloroethylvinyl ether\nChloroform\nDichlorobromomethane\n1,1-dichloroethane\n1,2-dichloroethane\nTrans-1,2-dichloroethylene\n1,1-dichloroethylene\n1,2-dichloropropane\n1,3-dichloropropylene\nEthylbenzene\nMethyl bromide\nMethyl chloride\nMethylene chloride\n1,1,2,2-tetrachloroethane\nTetrachloroethylene\nToluene\n1,1,1-trichloroethane\n1,1,2-trichloroethane\nTrichloroethylene\nVinyl chloride\nAcid-extractable compounds\nP-chloro-m-creso\n2-chlorophenol\n2,4-dichlorophenol\n2,4-dimethylphenol\n4,6-dinitro-o-cresol\n2,4-dinitrophenol\n2-nitrophenol\n4-nitrophenol\nPentachlorophenol\nPhenol\n2,4,6-trichlorophenol\nBase-neutral compounds\nAcenaphthene\nAcenaphthylene\nAnthracene\nBenzidine\nBenzo(a)anthracene\nBenzo(a)pyrene\n3,4 benzofluoranthene\nBenzo(ghi)perylene\nBenzo(k)fluoranthene\nBis (2-chloroethoxy) methane\nBis (2-chloroethyl) ether\nBis (2-chloroisopropyl) ether\nBis (2-ethylhexyl) phthalate\n4-bromophenyl phenyl ether\nButyl benzyl phthalate\n2-chloronaphthalene\n4-chlorophenyl phenyl ether\nChrysene\nDi-n-butyl phthalate\nDi-n-octyl phthalate\nDibenzo(a,h)anthracene\n1,2-dichlorobenzene\n1,3-dichlorobenzene\n1,4-dichlorobenzene\n3,3-dichlorobenzidine\nDiethyl phthalate\nDimethyl phthalate\n2,4-dinitrotoluene\n2,6-dinitrotoluene\n1,2-diphenylhydrazine\nFluoranthene\nFluorene\nHexachlorobenzene\nHexachlorobutadiene\nHexachlorocyclo-pentadiene\nHexachloroethane\nIndeno(1,2,3-cd)pyrene\nIsophorone\nNaphthalene\nNitrobenzene\nN-nitrosodi-n-propylamine\nN-nitrosodimethylamine\nN-nitrosodiphenylamine\nPhenanthrene\nPyrene\n1,2,4,-trichlorobenzene","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"054f6343ff02ebb1564da62002f215dc958cd1bc1d9404bab44be5db58358bcc","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-i-to-part-122","next":"us/40-cfr-123.1"},"notice":"GroundRules: Original legal text. Not legal advice."}