The following comprise the list of toxic pollutants designated pursuant to section 307(a)(1) of the Act:

1. Acenaphthene2. Acrolein3. Acrylonitrile4. Aldrin/Dieldrin 1

1 Effluent standard promulgated (40 CFR part 129).

5. Antimony and compounds 2

2 The term compounds shall include organic and inorganic compounds.

6. Arsenic and compounds7. Asbestos8. Benzene9. Benzidine 110. Beryllium and compounds11. Cadmium and compounds12. Carbon tetrachloride13. Chlordane (technical mixture and metabolites)14. Chlorinated benzenes (other than di-chlorobenzenes)15. Chlorinated ethanes (including 1,2-di-chloroethane, 1,1,1-trichloroethane, and hexachloroethane)16. Chloroalkyl ethers (chloroethyl and mixed ethers)17. Chlorinated naphthalene18. Chlorinated phenols (other than those listed elsewhere; includes trichlorophenols and chlorinated cresols)19. Chloroform20. 2-chlorophenol21. Chromium and compounds22. Copper and compounds23. Cyanides24. DDT and metabolites 125. Dichlorobenzenes (1,2-, 1,3-, and 1,4-di-chlorobenzenes)26. Dichlorobenzidine27. Dichloroethylenes (1,1-, and 1,2-dichloroethylene)28. 2,4-dichlorophenol29. Dichloropropane and dichloropropene30. 2,4-dimethylphenol31. Dinitrotoluene32. Diphenylhydrazine33. Endosulfan and metabolites34. Endrin and metabolites 135. Ethylbenzene36. Fluoranthene37. Haloethers (other than those listed elsewhere; includes chlorophenylphenyl ethers, bromophenylphenyl ether, bis(dichloroisopropyl) ether, bis-(chloroethoxy) methane and polychlorinated diphenyl ethers)38. Halomethanes (other than those listed elsewhere; includes methylene chloride, methylchloride, methylbromide, bromoform, dichlorobromomethane39. Heptachlor and metabolites40. Hexachlorobutadiene41. Hexachlorocyclohexane42. Hexachlorocyclopentadiene43. Isophorone44. Lead and compounds45. Mercury and compounds46. Naphthalene47. Nickel and compounds48. Nitrobenzene49. Nitrophenols (including 2,4-dinitrophenol, dinitrocresol)50. Nitrosamines51. Pentachlorophenol52. Phenol53. Phthalate esters54. Polychlorinated biphenyls (PCBs) 155. Polynuclear aromatic hydrocarbons (including benzanthracenes, benzopyrenes, benzofluoranthene, chrysenes, dibenz-anthracenes, and indenopyrenes)56. Selenium and compounds57. Silver and compounds58. 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)59. Tetrachloroethylene60. Thallium and compounds61. Toluene62. Toxaphene 163. Trichloroethylene64. Vinyl chloride65. Zinc and compounds[44 FR 44502, July 30, 1979, as amended at 46 FR 2266, Jan. 8, 1981; 46 FR 10724, Feb. 4, 1981]