§ 131.36 Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B). top (a) Scope. This section is not a general promulgation of the section 304(a) criteria for priority toxic pollutants but is restricted to specific pollutants in specific States.
(b)(1) EPA's Section 304(a) criteria for Priority Toxic Pollutants.
--------------------------------------------------------------------------------------------------------------------------------------------------- ----- A B Freshwater C Saltwater D Human Health (10-6 risk for ----------------------------------------------------------------------------------------------------------------------- carcinogens) For consumption of: Criterion Criterion --------------------------------- Criterion Continuous Criterion Continuous Water & (#) Compound CAS Number Maximum Conc. d Conc. d Maximum Conc. d Conc. d Organisms Organisms Only (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) ............... B1 B2 C1 C2 D1 D2 --------------------------------------------------------------------------------------------------------------------------------------------------- ----- 1 Antimony...................... 7440360 ............... ............... ............... ............... 14 a 4300 a 2 Arsenic....................... 7440382 360 m 190 m 69 m 36 m 0.018 abc 0.14 abc 3 Beryllium..................... 7440417 ............... ............... ............... ............... n n 4 Cadmium....................... 7440439 3.7 e 1.0 e 42 m 9.3 m n n 5a Chromium (III)............... 16065831 550 e 180 e ............... ............... n n b Chromium (VI)................. 18540299 15 m 10 m 1100 m 50 m n n 6 Copper........................ 7440508 17 e 11 e 2.4 m 2.4 m 7 Lead.......................... 7439921 65 e 2.5 e 210 m 8.1 m n n 8 Mercury....................... 7439976 2.1 m 0.012 ip 1.8 m 0.025 ip 0.14 0.15 9 Nickel........................ 7440020 1400 e 160 e 74 m 8.2 m 610 a 4600 a 10 Selenium..................... 7782492 20 p 5 p 290 m 71 m n n 11 Silver....................... 7440224 3.4 e ............... 1.9 m 12 Thallium..................... 7440280 ............... ............... ............... ............... 1.7 a 6.3 a 13 Zinc......................... 7440666 110 e 100 e 90 m 81 m 14 Cyanide...................... 57125 22 5.2 1 1 700 a 220000 aj 15 Asbestos..................... 1332214 ............... ............... ............... ............... 7,000,000 fibers/L k 16 2,3,7,8-TCDD (Dioxin)........ 1746016 ............... ............... ............... ............... 0.000000013 c 0.000000014 c 17 Acrolein..................... 107028 ............... ............... ............... ............... 320 780 18 Acrylonitrile................ 107131 ............... ............... ............... ............... 0.059 ac 0.66 ac 19 Benzene...................... 71432 ............... ............... ............... ............... 1.2 ac 71 ac 20 Bromoform.................... 75252 ............... ............... ............... ............... 4.3 ac 360 ac 21 Carbon Tetrachloride......... 56235 ............... ............... ............... ............... 0.25 ac 4.4 ac 22 Chlorobenzene................ 108907 ............... ............... ............... ............... 680 a 21000 aj 23 Chlorodibromomethane......... 124481 ............... ............... ............... ............... 0.41 ac 34 ac 24 Chloroethane................. 75003 25 2-Chloroethylvinyl Ether..... 110758 26 Chloroform................... 67663 ............... ............... ............... ............... 5.7 ac 470 ac 27 Dichlorobromomethane......... 75274 ............... ............... ............... ............... 0.27 ac 22 ac 28 1,1-Dichloroethane........... 75343 29 1,2-Dichloroethane........... 107062 ............... ............... ............... ............... 0.38 ac 99 ac 30 1,1-Dichloroethylene......... 75354 ............... ............... ............... ............... 0.057 ac 3.2 ac 31 1,2-Dichloropropane.......... 78875 32 1,3-Dichloropropylene........ 542756 ............... ............... ............... ............... 10 a 1700 a 33 Ethylbenzene................. 100414 ............... ............... ............... ............... 3100 a 29000 a 34 Methyl Bromide............... 74839 ............... ............... ............... ............... 48 a 4000 a 35 Methyl Chloride.............. 74873 ............... ............... ............... ............... n n 36 Methylene Chloride........... 75092 ............... ............... ............... ............... 4.7 ac 1600 ac 37 1,1,2,2-Tetrachloroethane.... 79345 ............... ............... ............... ............... 0.17 ac 11 ac 38 Tetrachloroethylene.......... 127184 ............... ............... ............... ............... 0.8 c 8.85 c 39 Toluene...................... 108883 ............... ............... ............... ............... 6800 a 200000 a 40 1,2-Trans-Dichloroethylene... 156605 41 1,1,1-Trichloroethane........ 71556 ............... ............... ............... ............... n n 42 1,1,2-Trichloroethane........ 79005 ............... ............... ............... ............... 0.60 ac 42 ac 43 Trichloroethylene............ 79016 ............... ............... ............... ............... 2.7 c 81 c 44 Vinyl Chloride............... 75014 ............... ............... ............... ............... 2 c 525 c 45 2-Chlorophenol............... 95578 46 2,4-Dichlorophenol........... 120832 ............... ............... ............... ............... 93 a 790 aj 47 2,4-Dimethylphenol........... 105679 48 2-Methyl-4,6-Dinitrophenol... 534521 ............... ............... ............... ............... 13.4 765 49 2,4-Dinitrophenol............ 51285 ............... ............... ............... ............... 70 a 14000 a 50 2-Nitrophenol................ 88755 51 4-Nitrophenol................ 100027 52 3-Methyl-4-Chlorophenol...... 59507 53 Pentachlorophenol............ 87865 20 f 13 f 13 7.9 0.28 ac 8.2 acj 54 Phenol....................... 108952 ............... ............... ............... ............... 21000 a 4600000 aj 55 2,4,6-Trichlorophenol........ 88062 ............... ............... ............... ............... 2.1 ac 6.5 ac 56 Acenaphthene................. 83329 57 Acenaphthylene............... 208968 58 Anthracene................... 120127 ............... ............... ............... ............... 9600 a 110000 a 59 Benzidine.................... 92875 ............... ............... ............... ............... 0.00012 ac 0.00054 ac 60 Benzo(a)Anthracene........... 56553 ............... ............... ............... ............... 0.0028 c 0.031 c 61 Benzo(a)Pyrene............... 50328 ............... ............... ............... ............... 0.0028 c 0.031 c 62 Benzo(b)Fluoranthene......... 205992 ............... ............... ............... ............... 0.0028 c 0.031 c 63 Benzo(ghi)Perylene........... 191242 64 Benzo(k)Fluoranthene......... 207089 ............... ............... ............... ............... 0.0028 c 0.031 c 65 Bis(2-Chloroethoxy)Methane... 111911 66 Bis(2-Chloroethyl)Ether...... 111444 ............... ............... ............... ............... 0.031 ac 1.4 ac 67 Bis(2-Chloroisopropyl)Ether.. 108601 ............... ............... ............... ............... 1400 a 170000 a 68 Bis(2-Ethylhexyl)Phthalate... 117817 ............... ............... ............... ............... 1.8 ac 5.9 ac 69 4-Bromophenyl Phenyl Ether... 101553 70 Butylbenzyl Phthalate........ 85687 71 2-Chloronaphthalene.......... 91587 72 4-Chlorophenyl Phenyl Ether.. 7005723 73 Chrysene..................... 218019 ............... ............... ............... ............... 0.0028 c 0.031 c 74 Dibenzo(ah)Anthracene........ 53703 ............... ............... ............... ............... 0.0028 c 0.031 c 75 1,2-Dichlorobenzene.......... 95501 ............... ............... ............... ............... 2700 a 17000 a 76 1,3-Dichlorobenzene.......... 541731 ............... ............... ............... ............... 400 2600 77 1,4-Dichlorobenzene.......... 106467 ............... ............... ............... ............... 400 2600 78 3,3[prime]-Dichlorobenzidine. 91941 ............... ............... ............... ............... 0.04 ac 0.077 ac 79 Diethyl Phthalate............ 84662 ............... ............... ............... ............... 23000 a 120000 a 80 Dimethyl Phthalate........... 131113 ............... ............... ............... ............... 313000 2900000 81 Di-n-Butyl Phthalate......... 84742 ............... ............... ............... ............... 2700 a 12000 a 82 2,4-Dinitrotoluene........... 121142 ............... ............... ............... ............... 0.11 c 9.1 c 83 2,6-Dinitrotoluene........... 606202 84 Di-n-Octyl Phthalate......... 117840 85 1,2-Diphenylhydrazine........ 122667 ............... ............... ............... ............... 0.040 ac 0.54 ac 86 Fluoranthene................. 206440 ............... ............... ............... ............... 300 a 370 a 87 Fluorene..................... 86737 ............... ............... ............... ............... 1300 a 14000 a 88 Hexachlorobenzene............ 118741 ............... ............... ............... ............... 0.00075 ac 0.00077 ac 89 Hexachlorobutadiene.......... 87683 ............... ............... ............... ............... 0.44 ac 50 ac 90 Hexachlorocyclopentadiene.... 77474 ............... ............... ............... ............... 240 a 17000 aj 91 Hexachloroethane............. 67721 ............... ............... ............... ............... 1.9 ac 8.9 ac 92 Indeno(1,2,3-cd)Pyrene....... 193395 ............... ............... ............... ............... 0.0028 c 0.031 c 93 Isophorone................... 78591 ............... ............... ............... ............... 8.4 ac 600 ac 94 Naphthalene.................. 91203 95 Nitrobenzene................. 98953 ............... ............... ............... ............... 17 a 1900 aj 96 N-Nitrosodimethylamine....... 62759 ............... ............... ............... ............... 0.00069 ac 8.1 ac 97 N-Nitrosodi-n-Propylamine.... 621647 98 N-Nitrosodiphenylamine....... 86306 ............... ............... ............... ............... 5.0 ac 16 ac 99 Phenanthrene................. 85018 100 Pyrene....................... 129000 ............... ............... ............... ............... 960 a 11000 a 101 1,2,4-Trichlorobenzene....... 120821 102 Aldrin....................... 309002 3 g ............... 1.3 g ............... 0.00013 ac 0.00014 ac 103 alpha-BHC.................... 319846 ............... ............... ............... ............... 0.0039 ac 0.013 ac 104 beta-BHC..................... 319857 ............... ............... ............... ............... 0.014 ac 0.046 ac 105 gamma-BHC.................... 58899 2 g 0.08 g 0.16 g ............... 0.019 c 0.063 c 106 delta-BHC.................... 319868 107 Chlordane.................... 57749 2.4 g 0.0043 g 0.09 g 0.004 g 0.00057 ac 0.00059 ac 108 4,4[prime]-DDT............... 50293 1.1 g 0.001 g 0.13 g 0.001 g 0.00059 ac 0.00059 ac 109 4,4[prime]-DDE............... 72559 ............... ............... ............... ............... 0.00059 ac 0.00059 ac 110 4,4[prime]-DDD............... 72548 ............... ............... ............... ............... 0.00083 ac 0.00084 ac 111 Dieldrin..................... 60571 2.5 g 0.0019 g 0.71 g 0.0019 g 0.00014 ac 0.00014 ac 112 alpha-Endosulfan............. 959988 0.22 g 0.056 g 0.034 g 0.0087 g 0.93 a 2.0 a 113 beta-Endosulfan.............. 33213659 0.22 g 0.056 g 0.034 g 0.0087 g 0.93 a 2.0 a 114 Endosulfan Sulfate........... 1031078 ............... ............... ............... ............... 0.93 a 2.0 a 115 Endrin....................... 72208 0.18 g 0.0023 g 0.037 g 0.0023 g 0.76 a 0.81 aj 116 Endrin Aldehyde.............. 7421934 ............... ............... ............... ............... 0.76 a 0.81 aj 117 Heptachlor................... 76448 0.52 g 0.0038 g 0.053 g 0.0036 g 0.00021 ac 0.00021 ac 118 Heptachlor Epoxide........... 1024573 0.52 g 0.0038 g 0.053 g 0.0036 g 0.00010 ac 0.00011 ac 119 PCB-1242..................... 53469219 ............... 0.014 g ............... 0.03 g 120 PCB-1254..................... 11097691 ............... 0.014 g ............... 0.03 g 121 PCB-1221..................... 11104282 ............... 0.014 g ............... 0.03 g 122 PCB-1232..................... 11141165 ............... 0.014 g ............... 0.03 g 123 PCB-1248..................... 12672296 ............... 0.014 g ............... 0.03 g 124 PCB-1260..................... 11096825 ............... 0.014 g ............... 0.03 g 125a PCB-1016.................... 12674112 ............... 0.014 g ............... 0.03 g 125b Polychlorinated biphenyls ............... ............... ............... ............... ............... 0.00017 q 0.00017 q (PCBs).......................... 126 Toxaphene.................... 8001352 0.73 0.0002 0.21 0.0002 0.00073 ac 0.00075 ac Total Number of Criteria (h) ............... 24 29 23 27 85 84 =........................... --------------------------------------------------------------------------------------------------------------------------------------------------- -----