Idaho Administrative Code › Title IDAPA 58 - Environmental Quality, Department of › Rule 58.01.01 - RULES FOR THE CONTROL OF AIR POLLUTION IN IDAHO › Section 58.01.01.586 - TOXIC AIR POLLUTANTS CARCINOGENIC INCREMENTS

Current through August 31, 2023
The screening emissions levels (EL) and acceptable ambient
				concentrations (AACC) for carcinogens are as provided in the following table.
				The AACC in this section are annual averages. (3-28-23)
CAS
							 NUMBER
SUBSTANCE
URF
EL lb/hr
AACC
							 ug/m3
75-07-0
Acetaldehyde
2.2E-06
3.0E-03
4.5E-01
79-06-1
Acrylamide
1.3E-03
5.1E-06
7.7E-04
107-13-1
Acrylonitrile
6.8E-05
9.8E-05
1.5E-02
309-00-2
Aldrin
4.9E-03
1.3E-06
2.0E-04
62-53-3
Aniline
7.4E-06
9.0E-04
1.4E-01
140-57-8
Aramite
7.1E-06
9.3E-04
1.4E-01
NA
Aroclor, all (PCB) (ID)
-
6.6E-05
1.0E-02
7440-38-2
Arsenic compounds
4.3E-03
1.5E-06
2.3E-04
1332-21-4
Asbestos (Fibers /M.L.)
2.3E-01
N/A
4.0E-06
71-43-2
Benzene
8.3E-06
8.0E-04
1.2E-01
92-87-5
Benzidine
6.7E-02
9.9E-08
1.5E-05
50-32-8
Benzo(a)pyrene
3.3E-03
2.0E-06
3.0E-04
7440-41-7
Beryllium & compounds
2.4E-04
2.8E-05
4.2E-03
106-99-0
1,3-Butadiene
2.8E-04
2.4E-05
3.6E-03
111-44-4
Bis (2-chloroethyl) ether
3.3E-04
2.0E-05
3.0E-03
542-88-1
Bis (chloromethyl) ether
6.2E-02
1.0E-07
1.6E-05
108-60-1
Bis (2-chloro-1-methyl- ethyl) ether
2.0E-05
3.3E-04
5.0E-02
117-81-7
Bis (2-ethylhexyl) phthalate
2.4E-07
2.8E-02
4.2E+00
7440-43-9
Cadmium and compounds
1.8E-03
3.7E-06
5.6E-04
56-23-5
Carbon tetrachloride
1.5E-05
4.4E-04
6.7E-02
57-74-9
Chlordane
3.7E-04
1.8E-04
2.7E-03
67-66-3
Chloroform
2.3E-05
2.8E-04
4.3E-02
18540-29-9
Chromium (VI) & compounds as Cr+6
1.2E-02
5.6E-07
8.3E-05
NA
Coal Tar Volitiles as benzene
NA
Coke oven emissions
6.2E-04
1.1E-05
1.6E-03
8001-58-9
Creosote (ID) See coal tar volatiles as benzene
							 extractables
50-29-3
DDT (Dichlorodi
							 phenyltrichloroethane)
9.7E-05
6.8E-05
1.0E-02
96-12-8
1,2-Dibromo-3-chloropropane
6.3E-03
1.0E-06
1.6E-04
75-34-3
1,1 dichloroethane
2.6E-05
2.5E-04
3.8E-02
107-06-2
1,2 dichloroethane
2.6E-05
2.5E-04
3.8E-02
75-35-4
1,1 dichloroethylene
5.0E-05
1.3E-04
2.0E-02
75-09-2
Dichloromethane (Methylenechloride)
4.1E-06
1.6E-03
2.4E-01
542-75-6
1,3 dichloropropene
4.0E-06
1.7E-03
2.5E-01
764-41-0
1,4-Dichloro-2-butene
2.6E-03
2.5E-06
3.8E-04
60-57-1
Dieldrin
4.6E-03
1.4E-06
2.1E-04
56-53-1
Diethylstilbestrol
1.4E-01
4.7E-08
7.1E-06
123-91-1
1,4 dioxane
1.4E-06
4.8E-03
7.1E-01
Dioxin and Furans (2,3,7,8,TCDD & mixtures)
							 Dioxin and Furan emissions are considered as one TAP and expressed as an
							 equivalent emission of 2,3,7,8, TCDD based on the relative potency of the
							 isomers in accordance with US EPA guidelines. U.S. EPA, (2010) Recommended
							 Toxicity Equivalence Factors (TEFs) for Human Health Risk Assessments of
							 2,3,7,8-Tetrachlorodibenzo-p-dioxin and Dioxin-Like Compounds. Risk Assessment
							 Forum, Washington, DC. EPA/600/R-10/005.
122-66-7
1,2-Diphenylhydrazine
2.2E-04
3.0E-05
4.5E-03
106-89-8
Epichlorohydrin
1.2E-06
5.6E-03
8.3E-01
106-93-4
Ethylene dibromide
2.2E-04
3.0E-05
4.5E-03
75-21-8
Ethylene oxide
1.0E-04
6.7E-05
1.0E-02
50-00-0
Formaldehyde
1.3E-05
5.1E-04
7.7E-02
76-44-8
Heptachlor
1.3E-03
5.1E-06
7.7E-04
1024-57-3
Heptachlor Epoxide
2.6E-03
2.5E-06
3.5E-04
118-74-1
Hexachlorobenzene
4.9E-04
1.3E-05
2.0E-03
87-68-3
Hexachlorobutadiene
2.0E-05
3.3E-04
5.0E-02
Hexachlorocyclo-hexane, Technical
5.1E-04
1.3E-05
1.9E-03
319-84-6
Hexachlorocyclohexane (Lindane) Alpha
							 (BHC)
1.8E-03
3.7E-06
5.6E-04
319-85-7
Hexachlorocyclohexane (Lindane) Beta
							 (BHC)
5.3E-04
1.3E-05
1.8E-03
58-89-9
Hexachlorocyclohexane (Lindane) Gamma
							 (BHC)
3.8E-04
1.7E-05
2.6E-03
67-72-1
Hexachloroethane
4.0E-06
1.7E-03
2.5E-01
302-01-2
Hydrazine
2.9E-03
2.3E-06
3.4E-04
10034-93-2
Hydrazine Sulfate
2.9E-03
2.2E-06
3.5E-04
56-49-5
3-methylcholanthrene
2.7E-03
2.5E-06
3.7E-04
75-09-2
Methylene Chloride
4.1E-06
1.6E-03
2.4E-01
74-87-3
Methyl chloride
3.6E-06
1.9E-03
2.8E-01
101-14-4
4,4-Methylene bis(2-Chloroaniline)
4.7E-05
1.4E-04
2.1E-02
60-34-4
Methyl hydrazine
3.1E-04
2.2E-05
3.2E-03
7440-02-0
Nickel
2.4E-04
2.7E-05
4.2E-03
12035-72-2
Nickel Subsulfide
4.8E-04
1.4E-05
2.1E-02
7440-02-0
Nickel Refinery Dust
2.4E-04
2.8E-05
4.2E-02
79-46-9
2-Nitropropane
2.7E-02
2.5E-07
3.7E-05
55-18-5
N-Nitrosodiethylamine (diethylnitrosoamine)
							 (DEN)
4.3E-02
1.5E-07
2.3E-05
62-75-9
N-Nitrosodimethylamine
1.4E-02
4.8E-07
7.1E-05
924-16-3
N-Nitrosodi-n-butylamine
1.6E-03
4.1E-06
6.3E-04
930-55-2
N-Nitrosopyrolidine
6.1E-04
1.1E-05
1.6E-03
684-93-5
N-Nitroso-N-methylurea (NMU)
3.5E-01
1.9E-08
2.9E-06
82-68-8
Pentachloronitrobenzene
7.3E-05
9.1E-05
1.4E-02
127-18-4
Perchloroethylene (see
							 tetrachloroethylene)
NA
Polyaromatic Hydrocarbons (except 7-PAH
							 group)
7.3E-05
9.1E-05
1.4E-02
(Polycyclic Organic Matter or 7-PAH group) For
							 emissions of the 7-PAH group, the following PAHs are considered together as one
							 TAP, equivalent in potency to benzo(a)pyrene: benzo(a)anthracene,
							 benzo(b)fluoranthene, benzo(k)fluoranthene, dibenzo(a,h)anthracene, chrysene,
							 indenol(1,2,3,-cd)pyrene, benzo(a)pyrene. (WA)
23950-58-5
Promanide
4.6E-06
1.5E-03
2.2E-01
50-55-5
Reserpine
3.0E-03
2.2E-06
3.3E-04
1746-01-6
2,3,7,8,-Tetrachlorodibenzo-p-dioxin (2,3,7,8,
							 -TCDD)
4.5.E+01
1.5E-10
2.2E-08
NA
Soots and Tars (ID) See coal tar volatiles as benzene
							 extractables.
79-34-5
1,1,2,2,Tetrachloro-ethane
5.8E-05
1.1E-05
1.7E-02
127-18-4
Tetrachloroethylene
4.8E-07
1.3E-02
2.1E+00
79-00-5
1,1,2 - trichloroethane
1.6E-05
4.2E-04
6.2E-02
62-56-6
Thiourea
5.5E-04
1.2E-05
1.8E-03
8001-35-2
Toxaphene
3.2E-04
2.0E-05
3.0E-03
79-01-6
Trichloroethylene
1.3E-06
5.1E-04
7.7E-01
88-06-2
2,4,6 - Trichlorophenol
5.7E-06
1.2E-03
1.8E-01
75-01-4
Vinyl chloride
7.1E-06
9.4E-04
1.4E-01
Note: ID
: Idaho Division of Environmental Quality.
				Not OEL based;
URF
: Unit Risk Factor from EPA.
WA
:
				From Washington Dept. of Ecology, Air Programs. Acceptable Source Impact Level
				based. (3-28-23)