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§ 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California.
(a) Scope. This section promulgates criteria for priority toxic pollutants in the State of California for inland surface waters and enclosed bays and estuaries. This section also contains a compliance schedule provision.
(b)
(1) Criteria for Priority Toxic Pollutants in the State of California as described in the following table:
| A | B Freshwater | C Saltwater | D Human health (10−6 risk for carcinogens) for consumption of: | ||||
|---|---|---|---|---|---|---|---|
| Number compound | CAS No. | Criterion maximum conc. d (µg/L) B1 | Criterion continuous conc. d (µg/L) B2 | Criterion maximum conc. d (µg/L) C1 | Criterion continuous conc. d (µg/L) C2 | Water and organisms (µg/L) D1 | Organisms only (µg/L) D2 |
| 1. Antimony | 7440360 | a s 14 | a t 4300 | ||||
| 2. Arsenic b | 7440382 | i m w 340 | i m w 150 | i m 69 | i m 36 | ||
| 3. Beryllium | 7440417 | ( n) | ( n) | ||||
| 4. Cadmium b | 7440439 | e i m w x 4.3 | e i m w 2.2 | i m 42 | i m 9.3 | ( n) | ( n) |
| 5a. Chromium (III) | 16065831 | e i m o 550 | e i m o 180 | ( n) | ( n) | ||
| 5b. Chromium (VI) b | 18540299 | i m w 16 | i m w 11 | i m 1100 | i m 50 | ( n) | ( n) |
| 6. Copper b | 7440508 | e i m w x 13 | e i m w 9.0 | i m 4.8 | i m 3.1 | 1300 | |
| 7. Lead b | 7439921 | e i m z 65 | e i m z 2.5 | i m 210 | i m 8.1 | ( n) | ( n) |
| 8. Mercury b | 7439976 | [Reserved] | [Reserved] | [Reserved] | [Reserved] | a 0.050 | a 0.051 |
| 9. Nickel b | 7440020 | e i m w 470 | e i m w 52 | i m 74 | i m 8.2 | a 610 | a 4600 |
| 10. Selenium b | 7782492 | p [Reserved] | q 5.0 | i m 290 | i m 71 | ( n) | ( n) |
| 11. Silver b | 7440224 | e i m 3.4 | i m 1.9 | ||||
| 12. Thallium | 7440280 | a s 1.7 | a t 6.3 | ||||
| 13. Zinc b | 7440666 | e i m w x 120 | e i m w 120 | i m 90 | i m 81 | ||
| 14. Cyanide b | 57125 | o 22 | o 5.2 | rthnsp;1 | r 1 | a 700 | a j 220,000 |
| 15. Asbestos | 1332214 | k s 7,000,000 fibers/l | |||||
| 16. 2,3,7,8-TCDD (Dioxin) | 1746016 | c> 0.000000013 | c> 0.000000014 | ||||
| 17. Acrolein | 107028 | s> 320 | t> 780 | ||||
| 18. Acrylonitrile | 107131 | a c s 0.059 | a c t 0.66 | ||||
| 19. Benzene | 71432 | a c 1.2 | a c 71 | ||||
| 20. Bromoform | 75252 | a c 4.3 | a c 360 | ||||
| 21. Carbon Tetrachloride | 56235 | a c s 0.25 | a c t 4.4 | ||||
| 22. Chlorobenzene | 108907 | a s 680 | a j t 21,000 | ||||
| 23. Chlorodibromomethane | 124481 | a c y 0.41 | a c 34 | ||||
| 24. Chloroethane | 75003 | ||||||
| 25. 2-Chloroethylvinyl Ether | 110758 | ||||||
| 26. Chloroform | 67663 | [Reserved] | [Reserved] | ||||
| 27. Dichlorobromomethane | 75274 | a c y 0.56 | a c 46 | ||||
| 28. 1,1-Dichloroethane | 75343 | ||||||
| 29. 1,2-Dichloroethane | 107062 | a c s 0.38 | a c t 99 | ||||
| 30. 1,1-Dichloroethylene | 75354 | a c s 0.057 | a c t 3.2 | ||||
| 31. 1,2-Dichloropropane | 78875 | a 0.52 | a 39 | ||||
| 32. 1,3-Dichloropropylene | 542756 | a s 10 | a t 1,700 | ||||
| 33. Ethylbenzene | 100414 | a s 3,100 | a t 29,000 | ||||
| 34. Methyl Bromide | 74839 | a 48 | a 4,000 | ||||
| 35. Methyl Chloride | 74873 | ( n) | ( n) | ||||
| 36. Methylene Chloride | 75092 | a c 4.7 | a c 1,600 | ||||
| 37. 1,1,2,2-Tetrachloroethane | 79345 | a c s 0.17 | a c t 11 | ||||
| 38. Tetrachloroethylene | 127184 | c s 0.8 | c t 8.85 | ||||
| 39. Toluene | 108883 | a 6,800 | a 200,000 | ||||
| 40. 1,2-Trans-Dichloroethylene | 156605 | a 700 | a 140,000 | ||||
| 41. 1,1,1-Trichloroethane | 71556 | ( n) | ( n) | ||||
| 42. 1,1,2-Trichloroethane | 79005 | a c s 0.60 | a c t 42 | ||||
| 43. Trichloroethylene | 79016 | c s 2.7 | c t 81 | ||||
| 44. Vinyl Chloride | 75014 | c s 2 | c t 525 | ||||
| 45. 2-Chlorophenol | 95578 | a 120 | a 400 | ||||
| 46. 2,4-Dichlorophenol | 120832 | a s 93 | a t 790 | ||||
| 47. 2,4-Dimethylphenol | 105679 | a 540 | a 2,300 | ||||
| 48. 2-Methyl-4,6-Dinitrophenol | 534521 | s> 13.4 | t> 765 | ||||
| 49. 2,4-Dinitrophenol | 51285 | a s 70 | a t 14,000 | ||||
| 50. 2-Nitrophenol | 88755 | ||||||
| 51. 4-Nitrophenol | 100027 | ||||||
| 52. 3-Methyl-4-Chlorophenol | 59507 | ||||||
| 53. Pentachlorophenol | 87865 | f w 19 | f w 15 | 13 | 7.9 | a c 0.28 | a c j 8.2 |
| 54. Phenol | 108952 | a 21,000 | a j t 4,600,000 | ||||
| 55. 2,4,6-Trichlorophenol | 88062 | a c 2.1 | a c 6.5 | ||||
| 56. Acenaphthene | 83329 | a 1,200 | a 2,700 | ||||
| 57. Acenaphthylene | 208968 | ||||||
| 58. Anthracene | 120127 | a 9,600 | a 110,000 | ||||
| 59. Benzidine | 92875 | a c s 0.00012 | a c t 0.00054 | ||||
| 60. Benzo(a)Anthracene | 56553 | a c 0.0044 | a c 0.049 | ||||
| 61. Benzo(a)Pyrene | 50328 | a c 0.0044 | a c 0.049 | ||||
| 62. Benzo(b)Fluoranthene | 205992 | a c 0.0044 | a c 0.049 | ||||
| 63. Benzo(ghi)Perylene | 191242 | ||||||
| 64. Benzo(k)Fluoranthene | 207089 | a c 0.0044 | a c 0.049 | ||||
| 65. Bis(2-Chloroethoxy)Methane | 111911 | ||||||
| 66. Bis(2-Chloroethyl)Ether | 111444 | a c s 0.031 | a c t 1.4 | ||||
| 67. Bis(2-Chloroisopropyl)Ether | 108601 | a 1,400 | a t 170,000 | ||||
| 68. Bis(2-Ethylhexyl)Phthalate | 117817 | a c s 1.8 | a c t 5.9 | ||||
| 69. 4-Bromophenyl Phenyl Ether | 101553 | ||||||
| 70. Butylbenzyl Phthalate | 85687 | a 3,000 | a 5,200 | ||||
| 71. 2-Chloronaphthalene | 91587 | a 1,700 | a 4,300 | ||||
| 72. 4-Chlorophenyl Phenyl Ether | 7005723 | ||||||
| 73. Chrysene | 218019 | a c 0.0044 | a c 0.049 | ||||
| 74. Dibenzo(a,h)Anthracene | 53703 | a c 0.0044 | a c 0.049 | ||||
| 75. 1,2 Dichlorobenzene | 95501 | a 2,700 | a 17,000 | ||||
| 76. 1,3 Dichlorobenzene | 541731 | 400 | 2,600 | ||||
| 77. 1,4 Dichlorobenzene | 106467 | 400 | 2,600 | ||||
| 78. 3,3′-Dichlorobenzidine | 91941 | a c s 0.04 | a c t 0.077 | ||||
| 79. Diethyl Phthalate | 84662 | a s 23,000 | a t 120,000 | ||||
| 80. Dimethyl Phthalate | 131113 | s> 313,000 | t> 2,900,000 | ||||
| 81. Di-n-Butyl Phthalate | 84742 | a s 2,700 | a t 12,000 | ||||
| 82. 2,4-Dinitrotoluene | 121142 | c s 0.11 | c t 9.1 | ||||
| 83. 2,6-Dinitrotoluene | 606202 | ||||||
| 84. Di-n-Octyl Phthalate | 117840 | ||||||
| 85. 1,2-Diphenylhydrazine | 122667 | a c s 0.040 | a c t 0.54 | ||||
| 86. Fluoranthene | 206440 | a 300 | a 370 | ||||
| 87. Fluorene | 86737 | a 1,300 | a 14,000 | ||||
| 88. Hexachlorobenzene | 118741 | a c 0.00075 | a c 0.00077 | ||||
| 89. Hexachlorobutadiene | 87683 | a c s 0.44 | a c t 50 | ||||
| 90. Hexachlorocyclopentadiene | 77474 | a s 240 | a j t 17,000 | ||||
| 91. Hexachloroethane | 67721 | a c s 1.9 | a c t 8.9 | ||||
| 92. Indeno(1,2,3-cd) Pyrene | 193395 | a c 0.0044 | a c 0.049 | ||||
| 93. Isophorone | 78591 | c s 8.4 | c t 600 | ||||
| 94. Naphthalene | 91203 | ||||||
| 95. Nitrobenzene | 98953 | a s 17 | a j t 1,900 | ||||
| 96. N-Nitrosodimethylamine | 62759 | a c s 0.00069 | a c t 8.1 | ||||
| 97. N-Nitrosodi-n-Propylamine | 621647 | a 0.005 | a 1.4 | ||||
| 98. N-Nitrosodiphenylamine | 86306 | a c s 5.0 | a c t 16 | ||||
| 99. Phenanthrene | 85018 | ||||||
| 100. Pyrene | 129000 | a 960 | a 11,000 | ||||
| 101. 1,2,4-Trichlorobenzene | 120821 | ||||||
| 102. Aldrin | 309002 | g> 3 | g> 1.3 | a c 0.00013 | a c 0.00014 | ||
| 103. alpha-BHC | 319846 | a c 0.0039 | a c 0.013 | ||||
| 104. beta-BHC | 319857 | a c 0.014 | a c 0.046 | ||||
| 105. gamma-BHC | 58899 | w> 0.95 | g> 0.16 | c> 0.019 | c> 0.063 | ||
| 106. delta-BHC | 319868 | ||||||
| 107. Chlordane | 57749 | g> 2.4 | g> 0.0043 | g> 0.09 | g> 0.004 | a c 0.00057 | a c 0.00059 |
| 108. 4,4′-DDT | 50293 | g> 1.1 | g> 0.001 | g> 0.13 | g> 0.001 | a c 0.00059 | a c 0.00059 |
| 109. 4,4′-DDE | 72559 | a c 0.00059 | a c 0.00059 | ||||
| 110. 4,4′-DDD | 72548 | a c 0.00083 | a c 0.00084 | ||||
| 111. Dieldrin | 60571 | w> 0.24 | w> 0.056 | g> 0.71 | g> 0.0019 | a c 0.00014 | a c 0.00014 |
| 112. alpha-Endosulfan | 959988 | g> 0.22 | g> 0.056 | g> 0.034 | g> 0.0087 | a 110 | a 240 |
| 113. beta-Endosulfan | 33213659 | g> 0.22 | g> 0.056 | g> 0.034 | g> 0.0087 | a 110 | a 240 |
| 114. Endosulfan Sulfate | 1031078 | a 110 | a 240 | ||||
| 115. Endrin | 72208 | w> 0.086 | w> 0.036 | g> 0.037 | g> 0.0023 | a 0.76 | a j 0.81 |
| 116. Endrin Aldehyde | 7421934 | a 0.76 | a j 0.81 | ||||
| 117. Heptachlor | 76448 | g> 0.52 | g> 0.0038 | g> 0.053 | g> 0.0036 | a c 0.00021 | a c 0.00021 |
| 118. Heptachlor Epoxide | 1024573 | g> 0.52 | g> 0.0038 | g> 0.053 | g> 0.0036 | a c 0.00010 | a c 0.00011 |
| 119–125. Polychlorinated biphenyls (PCBs) | ur> 0.014 | ur> 0.03 | c v 0.00017 | c v 0.00017 | |||
| 126. Toxaphene | 8001352 | 0.73 | 0.0002 | 0.21 | 0.0002 | a c 0.00073 | a c 0.00075 |
| Total Number of Criteria hr> | 22 | 21 | 22 | 20 | 92 | 90 | |
Footnotes to Table in Paragraph (b)(1):
a Criteria revised to reflect the Agency q1* or RfD, as contained in the Integrated Risk Information System (IRIS) as of October 1, 1996. The fish tissue bioconcentration factor (BCF) from the 1980 documents was retained in each case.