Cal. Code Regs. Tit. 22, div. 4.5, ch. 51 app I to Section 69021
Current through Register 2024 Notice Reg. No. 24, June 14, 2024
| Table A | Cancer Potency Values | Non-cancer Health-Hazard Values | |||||||||
Oral Slope Factor (CSFo) | Inhalation Unit Risk (IUR) | Oral Reference Dose (RfDo) | Chronic Reference Exposure Level (REL) | ||||||||
| CAS Registry | CSFo | IUR | RfDo | REL | |||||||
| Analyte | Number | (mk/kg-d)-1 | Reference | (µg/m3)-1 | Reference | (mk/kg-d)-1 | Reference | (µg/m3)-1 | Reference | ||
| 1 | Acetaldehyde | 75-07-0 | -- | -- | 2.70E-06 | OEHHA | -- | -- | -- | -- | |
| 2 | Ammonia | 7664-41-7 | -- | -- | -- | -- | -- | -- | 2.00E+02 | OEHHA | |
| 3 | Arsenic | 7440-38-2 | 9.50E+00 | OEHHA PHG | -- | -- | 3.50E-06 | OEHHA | 1.50E-02 | OEHHA | |
| 4 | Arsine | 7784-42-1 | -- | -- | -- | -- | 3.50E-06 | OEHHA | 1.50E-02 | OEHHA | |
| 5 | Benzene | 71-43-2 | 1.00E-01 | OEHHA | 2.90E-05 | OEHHA | -- | -- | 3.00E+00 | OEHHA | |
| 6 | Benzidine | 92-87-5 | 5.00E+02 | OEHHA | 1.40E-01 | OEHHA | -- | -- | -- | -- | |
| 7 | Benzo[a]anthracene | 56-55-3 | -- | -- | 1.10E-04 | OEHHA | -- | -- | -- | -- | |
| 8 | Benzo[a]pyrene | 50-32-8 | -- | -- | 1.10E-03 | OEHHA | -- | -- | -- | -- | |
| 9 | Benzo[b]fluoranthene | 205-99-2 | -- | -- | 1.10E-04 | OEHHA | -- | -- | -- | -- | |
| 10 | Benzo[k]fluoranthene | 207-08-9 | -- | -- | 1.10E-04 | OEHHA | -- | -- | -- | -- | |
| 11 | Beryllium | 7440-41-7 | -- | -- | -- | -- | 2.00E-04 | OEHHA PHG | 7.00E-03 | OEHHA | |
| 12 | Beryllium oxide | 1304-56-9 | -- | -- | -- | -- | 2.00E-04 | OEHHA PHG | 7.00E-03 | OEHHA | |
| 13 | Beryllium sulfate | 13510-49-1 | -- | -- | -- | -- | 2.00E-04 | OEHHA PHG | 7.00E-03 | OEHHA | |
| 14 | Boron Trifluoride | 7637-07-2 | -- | -- | -- | -- | 4.00E-02 | OEHHA (Fluorides) | -- | -- | |
| 15 | 1,3-Butadiene | 106-99-0 | 6.00E-01 | OEHHA | 1.70E-04 | OEHHA | -- | -- | 2.00E+00 | OEHHA | |
| 16 | Cadmium | 7440-43-9 | -- | -- | 4.20E-03 | OEHHA | -- | -- | -- | -- | |
| 17 | Carbon tetrachloride | 56-23-5 | -- | -- | -- | -- | -- | -- | 4.00E+01 | OEHHA | |
| 18 | Carbonyl sulfide | 463-58-1 | -- | -- | -- | -- | -- | -- | 1.00E+01 | OEHHA | |
| 19 | Chromium (VI) | 18540-29-9 | 5.00E-01 | OEHHA PHG | 1.50E-01 | OEHHA | -- | -- | -- | -- | |
| 20 | Chrysene | 218-01-9 | -- | -- | 1.10E-05 | OEHHA | -- | -- | -- | -- | |
| 21 | Dibenz[a,h]anthracene | 53-70-3 | 4.10E+00 | OEHHA | 1.20E-03 | OEHHA | -- | -- | -- | -- | |
| 22 | 3,3'-Dichlorobenzidine | 91-94-1 | 1.20E+00 | OEHHA | 3.40E-04 | OEHHA | -- | -- | -- | -- | |
| 23 | 1,1-Dichloroethene | 75-35-4 | -- | -- | -- | -- | -- | -- | 7.00E+01 | OEHHA | |
| 24 | Epichlorohydrin | 106-89-8 | 8.00E-02 | OEHHA | 2.30E-05 | OEHHA | -- | -- | -- | -- | |
| 25 | bis(2-Chloroethyl) ether | 111-44-4 | 2.50E+00 | OEHHA | 7.10E-04 | OEHHA | -- | -- | -- | -- | |
| 26 | Ethylene dibromide | 106-93-4 | -- | -- | -- | -- | -- | -- | 8.00E-01 | OEHHA | |
| 27 | Formaldehyde | 50-00-0 | -- | -- | -- | -- | -- | -- | 9.00E+00 | OEHHA | |
| 28 | HCH (mixed isomers) | 608-73-1 | 4.00E+00 | OEHHA | 1.10E-03 | OEHHA | -- | -- | -- | -- | |
| 29 | Hexachlorobenzene | 118-74-1 | 1.80E+00 | OEHHA | 5.10E-04 | OEHHA | -- | -- | -- | -- | |
| 30 | Hexachloro dibenzo-p-dioxin Mixture (2:1 1,2,3,7,8,9- and 1,2,3,6,7,8-) | Hexachloro- dibenzo-p-dioxin Mixture | -- | -- | 3.80E+00 | OEHHA (WHO-05 TEF) | -- | -- | -- | -- | |
| 31 | Hydrochloric acid | 7647-01-0 | -- | -- | -- | -- | -- | -- | 9.00E+00 | OEHHA | |
| 32 | Indeno[1,2,3-cd]pyrene | 193-39-5 | -- | -- | 1.10E-04 | OEHHA | -- | -- | -- | -- | |
| 33 | Lead and compounds# | 7439-92-1 | -- | -- | -- | -- | See Table B | OEHHA | -- | -- | |
| 34 | Lead subacetate | 1335-32-6 | 3.80E-02 | OEHHA | 1.10E-05 | OEHHA | -- | -- | -- | -- | |
| 35 | Mercuric Chloride | 7487-94-7 | -- | -- | -- | -- | 1.60E-04 | OEHHA REL | 3.00E-02 | OEHHA | |
| 36 | Mercury | 7439-97-6 | -- | -- | -- | -- | 1.60E-04 | OEHHA REL | 3.00E-02 | OEHHA | |
| 37 | Methylene Chloride | 75-09-2 | -- | -- | 1.00E-06 | OEHHA | -- | -- | 4.00E+02 | OEHHA | |
| 38 | 4,4'-Methylene-bis(2-chloroaniline) | 101-14-4 | 1.50E+00 | OEHHA | -- | -- | -- | -- | -- | -- | |
| 39 | Methylene diphenyl diisocyanate | 101-68-8 | -- | -- | -- | -- | -- | -- | 8.00E-02 | OEHHA | |
| 40 | Polymeric methylenediphenyl diisocyanate | 9016-87-9 | -- | -- | -- | -- | -- | -- | 8.00E-02 | OEHHA | |
| 41 | Nickel | 7440-02-0 | -- | -- | 2.60E-04 | OEHHA | 1.10E-02 | OEHHA | 1.40E-02 | OEHHA | |
| 42 | Nickel Hydroxide | 12054-48-7 | -- | -- | 2.60E-04 | OEHHA | 1.10E-02 | OEHHA | 1.40E-02 | OEHHA | |
| 43 | Nickel Oxide | 1313-99-1 | -- | -- | 2.60E-04 | OEHHA | 1.10E-02 | OEHHA | 2.00E-02 | OEHHA | |
| 44 | Nickel refinery dust | Nickel refinery dust | -- | -- | 2.60E-04 | OEHHA | 1.10E-02 | OEHHA | 1.40E-02 | OEHHA | |
| 45 | Nickel subsulfide | 12035-72-2 | -- | -- | -- | -- | 1.10E-02 | OEHHA | 1.40E-02 | OEHHA | |
| 46 | N-Nitroso-di-n-butylamine | 924-16-3 | 1.10E+01 | OEHHA | 3.10E-03 | OEHHA | -- | -- | -- | -- | |
| 47 | Styrene | 100-42-5 | -- | -- | -- | -- | -- | -- | 9.00E+02 | OEHHA | |
| 48 | Tetrachloroethene | 127-18-4 | 5.40E-01 | OEHHA PHG | 6.10E-06 | OEHHA | -- | -- | -- | -- | |
| 49 | Toluene | 108-88-3 | -- | -- | -- | -- | -- | -- | 3.00E+02 | OEHHA | |
| 50 | Toluene 2,4/2,6-Diisocyanates | 26471-62-5 | 3.90E-02 | OEHHA | -- | -- | -- | -- | 8.00E-03 | OEHHA | |
| 51 | Toluene-2,4-diisocyanate | 584-84-9 | 3.90E-02 | OEHHA (toluene diisocyantes) | -- | -- | -- | -- | 8.00E-03 | OEHHA (toluene diisocyantes) | |
| 52 | Toluene-2,6-diisocyanate | 91-08-7 | 3.90E-02 | OEHHA (toluene diisocyantes) | -- | -- | -- | -- | 8.00E-03 | OEHHA (toluene diisocyantes) | |
| 53 | Toxaphene | 8001-35-2 | 1.20E+00 | OEHHA | -- | -- | -- | -- | -- | -- | |
| 54 | 1,1,1-Trichloroethane | 71-55-6 | -- | -- | -- | -- | -- | -- | 1.00E+03 | OEHHA | |
| 55 | 2,4,6-Trichlorophenol | 88-06-2 | 7.00E-02 | OEHHA | 2.00E-05 | OEHHA | -- | -- | -- | -- | |
| 56 | Vinyl chloride | 75-01-4 | -- | -- | 7.80E-05 | OEHHA | -- | -- | -- | -- | |
| FOOTNOTES: | |||||||||||
| CAS = Chemical Abstracts Service | |||||||||||
| CSFo = oral cancer slope factor | |||||||||||
| IUR = inhalation unit risk factor | |||||||||||
| OEHHA = California Office of Environmental Health Hazard Assessment | |||||||||||
| PHG = Public Health Goal | |||||||||||
| RfD = chronic oral referen | |||||||||||
| REL = chronic reference exposure level | |||||||||||
| WHO-05 TEF = 2005 World Health Organization, Toxicity Equivalency | |||||||||||
| Factor | |||||||||||
| Table B | Non-Cancer Health-Hazard Values | |||
| Line # | Analyte | CAS Registry Number | Benchmark Incremental Change in Blood Lead ([MICRO]g/dL) | Reference |
| 1 | Lead and compounds# | 7439-92-1 | 1.0 | OEHHA |
| FOOTNOTES: | ||||
| # The toxicity criterion for lead represents a benchmark incremental change in blood lead concentration. The units are in microgram per deciliter ([MICRO]g/dL). | ||||
| CAS = Chemical Abstracts Service | ||||
| OEHHA = California Office of Environmental Health Hazard Assessment | ||||
Cal. Code Regs. Tit. 22, div. 4.5, ch. 51 app I to Section 69021