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List of 177 Pollutants in the Assessment

Information provided for informational purposes onlyNote: EPA no longer updates this information, but it may be useful as a reference or resource.
Pollutant Name CAS Number Overall Confidence Rating Exposure/Risk Assessment Assessed as Carcinogen? Assessed as Noncancer Hazard?
Acetaldehyde 75070 lower Y X X
Acetamide 60355 lower Y X
Acetonitrile 75058 higher Y X
Acetophenone 98862
N
2-Acetylaminofluorene 53963
N
Acrolein 107028 lower Y X
Acrylamide 79061 lower Y X X
Acrylic acid 79107 medium Y X
Acrylonitrile 107131 higher Y X X
Allyl chloride 107051 medium Y X X
4-Aminobiphenyl 92671
N
Aniline 62533 lower Y X X
o-Anisidine 90040
N
Antimony compounds N/A lower Y X
Arsenic compounds (inorganic, may include arsine) N/A lower Y X X
Arsine 7784421 lower Y X
Asbestos 1332214
N
Benzene 71432 higher Y X X
Benzidine 92875 lower Y X X
Benzotrichloride 98077 medium Y X
Benzyl chloride 100447 higher Y X
Beryllium compounds N/A lower Y X X
Biphenyl 92524
N
Bis(2-ethylhexyl)phthalate 117817 higher Y X X
Bis(chloromethyl)ether 542881 medium Y X
Bromoform 75252 medium Y X
1,3-Butadiene 106990 lower Y X X
Cadmium compounds N/A lower Y X X
Calcium cyanamide 156627
N
Captan 133062 lower Y X
Carbaryl 63252
N
Carbon disulfide 75150 higher Y X
Carbon tetrachloride 56235 medium Y X X
Carbonyl sulfide 463581
N
Catechol 120809
N
Chlordane 57749 medium Y X X
Chlorine 7782505 lower Y X
Chloroacetic acid 79118
N
2-Chloroacetophenone 532274 medium Y X
Chlorobenzene 108907 higher Y X
Chlorobenzilate 510156 medium Y X
Chloroform 67663 medium Y X
Chloromethyl methyl ether 107302
N
Chloroprene 126998 lower Y X
Chromium III 10105831
N
Chromium VI 18540299 lower Y X X
Cobalt compounds N/A lower Y X
Coke Oven Emissions N/A medium Y X
Cresols_Cresylic acid (isomers and mixture) 1319773 lower Y X
Cumene 98828 higher Y X
Cyanide compounds N/A higher Y X
Diazomethane 334883
N
Dibenzofurans 132649
N
1,2-Dibromo-3-chloropropane 96128 medium Y X X
Dibutylphthalate 84742
N
p-Dichlorobenzene 106467 higher Y X X
3,3-Dichlorobenzidene 91941 medium Y X
Dichloroethyl ether 111444 medium Y X
1,3-Dichloropropene 542756 medium Y X X
Dichlorvos 62737 medium Y X X
Diesel particulate matter N/A medium Y X
Diethanolamine 111422 lower Y X
Diethyl sulfate 64675
N
3,3-Dimethoxybenzidine 119904 lower Y X
p-Dimethylaminoazobenzene 60117 lower Y X
Dimethyl carbamoyl chloride 79447
N
Dimethyl formamide 68122 lower Y X
1,1-Dimethyl hydrazine 57147
N
Dimethyl phthalate 131113
N
Dimethyl sulfate 77781
N
3,3-Dimethyl benzidine 119937 lower Y X
4,6-Dinitro-o-cresol, and salts 534521
N
2,4-Dinitrophenol 51285
N
2,4-Dinitrotoluene 121142 medium Y X X
1,4-Dioxane 123911 medium Y X X
1,2-Diphenylhydrazine 122667 lower Y X
Epichlorohydrin 106898 medium Y X X
1,2-Epoxybutane 106887 medium Y X
Ethyl acrylate 140885 medium Y X
Ethyl benzene 100414 medium Y X
Ethyl carbamate 51796 medium Y X
Ethyl chloride 75003 medium Y X
Ethylene dibromide 106934 medium Y X X
Ethylene dichloride 107062 medium Y X X
Ethylene glycol 107211 higher Y X
Ethylene imine (Aziridine) 151564
N
Ethylene oxide 75218 higher Y X X
Ethylene thiourea 96457 lower Y X X
Ethylidene dichloride 75343 medium Y X X
Fine mineral fibers N/A
N
Formaldehyde 50000 medium Y X X
Glycol ethers N/A medium Y X
Heptachlor 76448
N
Hexachlorobenzene 118741 medium Y X X
Hexachlorobutadiene 87683 medium Y X X
Hexachlorocyclopentadiene 77474 medium Y X
Hexachloroethane 67721 medium Y X X
Hexamethylene-1,6-diisocyanate 822060 medium Y X
Hexamethylphosphoramide 680319
N
Hexane 110543 higher Y X
Hydrazine 302012 lower Y X X
Hydrochloric acid 7647010 lower Y X
Hydrofluoric acid 7664393 higher Y X
Hydroquinone 123319
N
Isophorone 78591 lower Y X X
Lead compounds N/A lower Y X
Lindane (all isomers) 58899 medium Y X X
Maleic anhydride 108316 lower Y X
Manganese compounds N/A lower Y X
Mercury compounds N/A lower Y X
Methanol 67561 higher Y X
Methoxychlor 72435
N
Methyl bromide 74839 higher Y X
Methyl chloride 74873 higher Y X
Methyl chloroform 71556 higher Y X
Methyl ethyl ketone 78933 higher Y X
Methyl hydrazine 60344
N
Methyl iodide 74884
N
Methyl isobutyl ketone 108101 medium Y X
Methyl isocyanate 624839 medium Y X
Methyl methacrylate 80626 lower Y X
Methyl tert butyl ether 1634044 higher Y X
Methylene chloride 75092 medium Y X X
4,4'-Methylene bis(2-chloroaniline) 101144 lower Y X
4,4'-Methylenedianiline 101779 medium Y X X
Methylene diphenyl diisocyanate 101688
Y X
N,N-Dimethyl aniline 121697
N
Naphthalene 91203 medium Y X X
Nickel compounds N/A lower Y X X
Nitrobenzene 98953 lower Y X
4-Nitrobiphenyl 92933
N
4-Nitrophenol 100027
N
2-Nitropropane 79469 medium Y X
Nitrosodimethylamine 62759 lower Y X
N-Nitrosomorpholine 59892 lower Y X
N-Nitroso-N-methylurea 684935
N
Parathion 56382
N
Pentachloronitrobenzene 82688 medium Y X
Pentachlorophenol 87865 medium Y X X
Perchloroethylene 127184 medium Y X X
Phenol 108952 lower Y X
p-Phenylenediamine 106503
N
Phosgene 75445 medium Y X
Phosphine 7803512 medium Y X
Phthalic anhydride 85449 medium Y X
Polychlorinated biphenyls (PCBs) 1336363 medium Y X
Polycyclic Organic Matter (POM) N/A
POM Group 1: Unspeciated N/A medium Y X
POM Group 2: no URE data N/A medium Y X
POM Group 3 N/A medium Y X
POM Group 4 N/A medium Y X
POM Group 5 N/A medium Y X
POM Group 6 N/A medium Y X
POM Group 7 N/A medium Y X
POM Group 8 N/A medium Y X
1,3-Propane sultone 1120714 lower Y X
beta-Propiolactone 57578
N
Propionaldehyde 123386
N
Propoxur 114261
N
Propylene dichloride 78875 lower Y X X
Propylene oxide 75569 higher Y X X
1,2-Propylenimine 75558
N
Quinoline 91225 lower Y X
Quinone 106514
N
2,4-D, salts and esters 94757
N
Selenium Compounds N/A lower Y X
Styrene 100425 lower Y X
Styrene oxide 96093 medium Y X
1,1,2,2-Tetrachloroethane 79345 medium Y X
Titanium tetrachloride 7550450 lower Y X
Toluene 108883 medium Y X
2,4-Toluene diamine 95807 lower Y X
2,4-Toluene diisocyanate 584849 lower Y X X
o-Toluidine 95534 lower Y X
Toxaphene 8001352 medium Y X
1,2,4-Trichlorobenzene 120821 medium Y X
1,1,2-Trichloroethane 79005 medium Y X X
Trichloroethylene 79016 medium Y X X
2,4,5-Trichlorophenol 95954
N
2,4,6-Trichlorophenol 88062 medium Y X
Triethylamine 121448 lower Y X
Trifluralin 1582098 lower Y X
2,2,4-Trimethylpentane 540841
N
Vinyl acetate 108054 medium Y X
Vinyl bromide 593602 medium Y X X
Vinyl chloride 75014 medium Y X X
Vinylidene chloride 75354 medium Y X
Xylenes (isomers and mixture) 1330207 medium Y X






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