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.
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.
Idaho Admin. Code r. 58.01.01.586