Cal. Code Regs. Tit. 22, § 66261.24 - Characteristic of Toxicity
|
Contaminant | Chemical Abstracts Service Number | Regulatory Level Mg/l |
D004 | Arsenic | 7440-38-2 | 5.0 |
D005 | Barium | 7440-39-3 | 100.0 |
D018 | Benzene | 71-43-2 | 0.5 |
D006 | Cadmium | 7440-43-9 | 1.0 |
D019 | Carbon tetrachloride | 56-23-5 | 0.5 |
D020 | Chlordane | 57-74-9 | 0.03 |
D021 | Chlorobenzene | 108-90-7 | 100.0 |
D022 | Chloroform | 67-66-3 | 6.0 |
D007 | Chromium | 7440-47-3 | 5.0 |
D023 | o-Cresol | 95-48-7 | 200.01 |
D024 | m-Cresol | 108-39-4 | 200.01 |
D025 | p-Cresol | 106-44-5 | 200.01 |
D026 | Cresol | 200.01 | |
D016 | 2,4-D | 94-75-7 | 10.0 |
D027 | 1,4-Dichlorobenzene | 106-46-7 | 7.5 |
D028 | 1,2-Dichloroethane | 107-06-2 | 0.5 |
D029 | 1,1-Dichloroethylene | 75-35-4 | 0.7 |
D030 | 2,4-Dinitrotoluene | 121-14-2 | 0.13 |
D012 | Endrin | 72-20-8 | 0.02 |
D031 | Heptachlor (and its epoxide) | 76-44-8 | 0.008 |
D032 | Hexachlorobenzene | 118-74-1 | 0.13 |
D033 | Hexachlorobutadiene | 87-68-3 | 0.5 |
D034 | Hexachloroethane | 67-72-1 | 3.0 |
D008 | Lead | 7439-92-1 | 5.0 |
D013 | Lindane | 58-89-9 | 0.4 |
D009 | Mercury | 7439-97-6 | 0.2 |
D014 | Methoxychlor | 72-43-5 | 10.0 |
D035 | Methyl ethyl ketone | 78-93-3 | 200.0 |
D036 | Nitrobenzene | 98-95-3 | 2.0 |
D037 | Pentachlorophenol | 87-86-5 | 100.0 |
D038 | Pyridine | 110-86-1 | 5.02 |
D010 | Selenium | 7782-49-2 | 1.0 |
D011 | Silver | 7440-22-4 | 5.0 |
D039 | Tetrachloroethylene | 127-18-4 | 0.7 |
D015 | Toxaphene | 8001-35-2 | 0.5 |
D040 | Trichloroethylene | 79-01-6 | 0.5 |
D041 | 2,4,5-Trichlorophenol | 95-95-4 | 400.0 |
D042 | 2,4,6-Trichlorophenol | 88-06-2 | 2.0 |
D017 | 2,4,5-TP (Silvex) | 93-72-1 | 1.0 |
D043 | Vinyl chloride | 75-01-4 | 0.2 |
1 If o-, m- and p-Cresol concentrations cannot be differentiated, the total cresol (D026) concentration is used. The regulatory level of total cresol is 200 mg/l.
2 Quantitation limit is greater than the calculated regulatory level. The quantitation limit therefore becomes the regulatory level.
(
|
|
|
Substancea, b |
mg/l |
Wet-Weight mg/kg |
Antimony and/or antimony compounds | 15 | 500 |
Arsenic and/or arsenic compounds | 5.0 | 500 |
Asbestos | 1.0 | |
(as percent) | ||
Barium and/or barium compounds (excluding barite) | 100 | 10,000c |
Beryllium and/or beryllium compounds | 0.75 | 75 |
Cadmium and/or cadmium compounds | 1.0 | 100 |
Chromium (VI) compounds | 5 | 500 |
Chromium and/or chromium (III) compounds | 5d | 2,500 |
Cobalt and/or cobalt compounds | 80 | 8,000 |
Copper and/or copper compounds | 25 | 2,500 |
Fluoride salts | 180 | 18,000 |
Lead and/or lead compounds | 5.0 | 1,000 |
Mercury and/or mercury compounds | 0.2 | 20 |
Molybdenum and/or molybdenum compounds | 350 | 3,500e |
Nickel and/or nickel compounds | 20 | 2,000 |
Selenium and/or selenium compounds | 1.0 | 100 |
Silver and/or silver compounds | 5 | 500 |
Thallium and/or thallium compounds | 7.0 | 700 |
Vanadium and/or vanadium compounds | 24 | 2,400 |
Zinc and/or zinc compounds | 250 | 5,000 |
a
b In the case of asbestos and elemental metals, the specified concentration limits apply only if the substances are in a friable, powdered or finely divided state. Asbestos includes chrysotile, amosite, crocidolite, tremolite, anthophyllite, and actinolite.
c Excluding barium sulfate.
d If the soluble chromium, as determined by the TCLP set
forth in Appendix I of chapter 18 of this division, is less than 5 mg/l, and
the soluble chromium, as determined by the procedures set forth in Appendix II
of chapter 11, equals or exceeds 560 mg/l and the
e Excluding molybdenum disulfide.
|
|
|
Substance | mg/l | Wet-Weight mg/kg |
Aldrin | 0.14 | 1.4 |
Chlordane | 0.25 | 2.5 |
DDT, DDE, DDD | 0.1 | 1.0 |
2,4-Dichlorophenoxyacetic acid | 10 | 100 |
Dieldrin | 0.8 | 8.0 |
Dioxin (2,3,7,8-TCDD) | 0.001 | 0.01 |
Endrin | 0.02 | 0.2 |
Heptachlor | 0.47 | 4.7 |
Kepone | 2.1 | 21 |
Lead compounds, organic | -- | 13 |
Lindane | 0.4 | 4.0 |
Methoxychlor | 10 | 100 |
Mirex | 2.1 | 21 |
Pentachlorophenol | 1.7 | 17 |
Polychlorinated biphenyls (PCBs) | 5.0 | 50 |
Toxaphene | 0.5 | 5 |
Trichloroethylene | 204 | 2,040 |
2,4,5-Trichlorophenoxypropionic acid | 1.0 | 10 |
Click here to view image
where C (in parts per million) is the concentration of
Eight-hour LC50 = (t/8) x (t-hour LC50).
Click here to view image
where % Ax is the weight percent of
each
Notes
2. Amendment of table II filed 1-31-94; operative 1-31-94 (Register 94, No. 5).
3. Editorial correction of equation (Register 95, No. 36).
4. Amendment of subsection (a)(1) and NOTE filed 10-13-98; operative 11-12-98 (Register 98, No. 42).
5. Change without regulatory effect amending subsections (a)(3) and (c) filed 6-3-2004 pursuant to section 100, title 1, California Code of Regulations (Register 2004, No. 23).
6. Editorial correction redesignating subsection (a)(7)(0) as (a)(7)(O) (Register 2015, No. 33).
Note: Authority cited: Sections 25141, 25159, 58004 and 58012, Health and Safety Code. Reference: Sections 25117, 25120.2, 25141, 25159 and 25159.5, Health and Safety Code and 40 CFR Section 261.24.
2. Amendment of table II filed 1-31-94; operative 1-31-94 (Register 94, No. 5).
3. Editorial correction of equation (Register 95, No. 36).
4. Amendment of subsection (a)(1) and Note filed 10-13-98; operative 11-12-98 (Register 98, No. 42).
5. Change without regulatory effect amending subsections (a)(3) and (c) filed 6-3-2004 pursuant to section 100, title 1, California Code of Regulations (Register 2004, No. 23).
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.