| Ethylene oxide | 82,805.06 |
| Polycyclic aromatic compounds | 12,325.59 |
| Benzene | 3,235.65 |
| 1,3-Butadiene | 2,919.78 |
| Nickel compounds | 2,432.36 |
| Hydrogen cyanide | 535.07 |
| Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 499.38 |
| Cobalt compounds | 262.55 |
| Hydrogen sulfide | 238.86 |
| Naphthalene | 135.89 |
| Propylene oxide | 69.09 |
| Acrylonitrile | 63.60 |
| Chloroform | 62.02 |
| Dicyclopentadiene | 55.04 |
| Ethylbenzene | 29.13 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 28.67 |
| Benzidine | 25.88 |
| Formaldehyde | 20.64 |
| Butyl acrylate | 18.63 |
| Nitrobenzene | 18.50 |
| Chlorine | 17.98 |
| Acetaldehyde | 14.45 |
| Chromium | 12.13 |
| 1,2-Dichloroethane | 11.91 |
| Chlorophenols | 11.13 |
| Xylene (mixed isomers) | 5.21 |
| Thioacetamide | 4.50 |
| Molybdenum trioxide | 4.23 |
| Acrolein | 4.21 |
| Acrylic acid | 3.49 |
| 1,4-Dioxane | 3.03 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3.00 |
| Lead compounds | 2.74 |
| Hydroquinone | 2.71 |
| Hexachlorobenzene | 2.47 |
| Diisocyanates | 2.31 |
| 1,2,4-Trimethylbenzene | 2.29 |
| Methyl tert-butyl ether | 1.84 |
| Manganese compounds | 1.80 |
| 1,1-Dimethylhydrazine | 1.76 |
| 1,1,2,2-Tetrachloroethane | 1.54 |
| Aldrin | 1.49 |
| Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 1.39 |
| n-Hexane (Hexane) | 1.34 |
| Urethane | 0.91 |
| Aniline | 0.78 |
| 3,3'-Dimethylbenzidine | 0.78 |
| 2,4,6-Trichlorophenol | 0.77 |
| Thiourea | 0.70 |
| 4-Dimethylaminoazobenzene | 0.56 |
| Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) | 0.55 |
| 2,4-Diaminotoluene (2,4-Toluenediamine) | 0.55 |
| Diethanolamine | 0.53 |
| Nickel | 0.50 |
| Chloromethane | 0.50 |
| Amitrole | 0.48 |
| Carbonyl sulfide | 0.42 |
| Acrylamide | 0.39 |
| Mercury compounds | 0.35 |
| Propylene | 0.32 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.32 |
| Methyl acrylate | 0.31 |
| 1,1,2-Trichloroethane | 0.30 |
| Zinc compounds | 0.30 |
| Benzo[g,h,i]perylene | 0.24 |
| Methyl hydrazine | 0.22 |
| Lindane | 0.22 |
| 4,4'-Methylenedianiline | 0.20 |
| Chlorobenzilate | 0.20 |
| Copper | 0.19 |
| 1,2-Diphenylhydrazine | 0.19 |
| Vanadium compounds | 0.17 |
| Ethylene | 0.17 |
| Ethylene glycol | 0.17 |
| Heptachlor | 0.15 |
| Polychlorinated biphenyls | 0.14 |
| Lead | 0.13 |
| Vinyl acetate | 0.13 |
| Biphenyl | 0.11 |
| Tetrachloroethylene | 0.11 |
| Trichloroethylene | 0.11 |
| Chlordane | 0.11 |
| Toluene | 0.10 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.09 |
| Boron trifluoride | 0.09 |
| Benzyl chloride | 0.09 |
| Carbon tetrachloride | 0.09 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.07 |
| Toluene diisocyanate (mixed isomers) | 0.07 |
| Styrene | 0.06 |
| 2-Methyllactonitrile (Acetone cyanohydrin) | 0.06 |
| Manganese | 0.06 |
| Toluene-2,4-diisocyanate | 0.06 |
| Pentachlorophenol | 0.05 |
| Cyclohexane | 0.05 |
| Sodium fluoroacetate | 0.04 |
| Malononitrile | 0.04 |
| Nitric acid | 0.04 |
| Acetonitrile | 0.03 |
| Cyanide compounds | 0.03 |
| Propionaldehyde | 0.03 |
| 1,2,4-Trichlorobenzene | 0.03 |
| 2-Methoxyethanol | 0.03 |
| Pyridine | 0.03 |
| Cumene | 0.03 |
| Antimony compounds | 0.03 |
| Certain glycol ethers | 0.03 |
| Toxaphene | 0.03 |
| Allyl chloride | 0.03 |
| o-Toluidine | 0.03 |
| Phenol | 0.02 |
| Epichlorohydrin | 0.02 |
| 2-Nitropropane | 0.02 |
| Aldicarb | 0.01 |
| Catechol | 0.01 |
| Methyl methacrylate | 0.01 |
| 1,1,1,2-Tetrachloroethane | 0.01 |
| Maleic anhydride | 0.01 |
| o-Xylene | 0.01 |
| 1,2-Phenylenediamine | 0.01 |
| Methanol | 0.01 |
| Hexachloro-1,3-butadiene (Hexachlorobutadiene) | 0.01 |
| p-Xylene | 0.01 |
| m-Xylene | 0.01 |
| 1,4-Dichlorobenzene (p-Dichlorobenzene) | 0.01 |
| tert-Butyl alcohol (tert-Butanol) | 0.01 |
| m-Dinitrobenzene | 0.01 |
| Hexachloroethane | 0.01 |
| Carbon disulfide | 0.01 |
| Freon 113 (CFC-113) | 0.01 |
| Mercury | 0.00 |
| Allyl alcohol | 0.00 |
| Hexachlorophene | 0.00 |
| Permethrin | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| 3,3'-Dimethoxybenzidine | 0.00 |
| Warfarin and salts | 0.00 |
| Ethylenebisdithiocarbamic acid, salts and esters | 0.00 |
| Chlorobenzene | 0.00 |
| 2,4-Dichlorophenol | 0.00 |
| Cresol (mixed isomers) | 0.00 |
| Dichloromethane (Methylene chloride) | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| 2,4-Dinitrophenol | 0.00 |
| Anthracene | 0.00 |
| Captan | 0.00 |
| Cumene hydroperoxide | 0.00 |
| Triethylamine | 0.00 |
| Phthalic anhydride | 0.00 |
| Ethyl acrylate | 0.00 |
| Propargyl alcohol | 0.00 |
| 2,4-D | 0.00 |
| Sodium azide | 0.00 |
| Dicamba | 0.00 |
| Dimethoate | 0.00 |
| Sodium dicamba | 0.00 |
| m-Cresol | 0.00 |
| Isobutyraldehyde | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| p-Cresol | 0.00 |
| Pentachlorobenzene | 0.00 |
| 1,2-Dichlorobenzene (o-Dichlorobenzene) | 0.00 |
| 2,4,5-Trichlorophenol | 0.00 |
| 2-Ethoxyethanol | 0.00 |
| 1,3-Dichlorobenzene (m-Dichlorobenzene) | 0.00 |
| Methoxychlor | 0.00 |
| Formic acid | 0.00 |
| 1,1,1-Trichloroethane | 0.00 |
| o-Cresol | 0.00 |
| 4,4'-Isopropylidenediphenol | 0.00 |
| Trichlorofluoromethane (CFC-11) | 0.00 |
| Dichlorodifluoromethane (CFC-12) | 0.00 |
| Sodium nitrite | 0.00 |
| Thiram | 0.00 |
| sec-Butyl alcohol (2-Butanol) | 0.00 |
| Pendimethalin | 0.00 |
| Chloroethane | 0.00 |
| Chlorodifluoromethane (HCFC-22) | 0.00 |
| Acetamide | 0.00 |
| Acetophenone | 0.00 |
| Aluminum oxide (fibrous forms) (Alumina) | 0.00 |
| 4-Aminoazobenzene | 0.00 |
| 4-Aminobiphenyl | 0.00 |
| Atrazine | 0.00 |
| C.I. Solvent Yellow 34 (Auramine) | 0.00 |
| Benzal chloride | 0.00 |
| Bis(2-chloroethyl) ether | 0.00 |
| 1,2-Butylene oxide | 0.00 |
| Butyraldehyde | 0.00 |
| 3-Chloropropionitrile | 0.00 |
| Cyclohexanol | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| 1,2-Dibromoethane (Ethylene dibromide) | 0.00 |
| Dibutyl phthalate | 0.00 |
| 2,2-Dichloro-1,1,1-trifluoroethane (HCFC-123) | 0.00 |
| 1,4-Dichloro-2-butene | 0.00 |
| Dichlorobenzene (mixed isomers) | 0.00 |
| 1,2-Dichloroethylene | 0.00 |
| 1,3-Dichloropropylene (1,3-Dichloropropene) | 0.00 |
| Diepoxybutane | 0.00 |
| Dimethyl phthalate | 0.00 |
| Dimethyl sulfate | 0.00 |
| Dimethylamine | 0.00 |
| Dimethylcarbamoyl chloride | 0.00 |
| 2,4-Dimethylphenol | 0.00 |
| Dinitrobutyl phenol (Dinoseb) | 0.00 |
| Diphenylamine | 0.00 |
| Ethylidene dichloride (1,1-Dichloroethane) | 0.00 |
| Hydrazine | 0.00 |
| Lithium carbonate | 0.00 |
| Methyl chlorocarbonate | 0.00 |
| 2-Methylpyridine | 0.00 |
| Mustard gas | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| N-Methylolacrylamide | 0.00 |
| beta-Naphthylamine (2-Naphthalenamine) | 0.00 |
| alpha-Naphthylamine (1-Naphthalenamine) | 0.00 |
| Nicotine and salts | 0.00 |
| Osmium tetroxide | 0.00 |
| Paraldehyde | 0.00 |
| Paraquat dichloride | 0.00 |
| Pentachloroethane | 0.00 |
| p-Phenylenediamine | 0.00 |
| Piperonyl butoxide | 0.00 |
| Quinoline | 0.00 |
| Quinone | 0.00 |
| Simazine | 0.00 |
| Titanium tetrachloride | 0.00 |
| Trichloroacetyl chloride | 0.00 |
| Trypan blue | 0.00 |
| Vinyl chloride | 0.00 |
| Vinylidene chloride (1,1-Dichloroethylene) | 0.00 |
| p-Chloroaniline | 0.00 |
| trans-1,4-Dichloro-2-butene | 0.00 |
| Isoprene | 0.00 |
| Nonylphenol | 0.00 |
| 2-Propenoic acid, esters, 2-methyl-, dodecyl ester, polymer with α-fluoro-ω-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl]poly(difluoromethylene) | 0.00 |
