California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 51 - Site Remediation › Appendix I to Section 69021 - California OEHHA Toxicity Criteria

Current through Register 2024 Notice Reg. No. 28, July 12, 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