| Ethylene oxide | 157,057.15 |
| 1,3-Butadiene | 5,184.49 |
| Benzene | 1,621.18 |
| Polycyclic aromatic compounds | 1,384.58 |
| 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.) | 638.93 |
| Nickel compounds | 494.02 |
| Cobalt compounds | 251.34 |
| Hydrogen cyanide | 185.63 |
| Propylene oxide | 129.03 |
| Hydrogen sulfide | 80.94 |
| Chloroform | 79.42 |
| Naphthalene | 57.32 |
| Chromium | 31.79 |
| Nitrobenzene | 27.47 |
| Butyl acrylate | 24.90 |
| Formaldehyde | 23.70 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 23.05 |
| Acetaldehyde | 20.56 |
| Chlorine | 16.99 |
| Acrylonitrile | 15.47 |
| Benzidine | 12.98 |
| Ethylbenzene | 12.79 |
| Dicyclopentadiene | 10.38 |
| 1,2-Dichloroethane | 8.47 |
| Chlorophenols | 7.91 |
| 1,4-Dioxane | 7.07 |
| Molybdenum trioxide | 5.80 |
| Acrolein | 5.62 |
| Acrylic acid | 4.71 |
| Hydroquinone | 3.71 |
| Thioacetamide | 3.01 |
| Methyl tert-butyl ether | 2.35 |
| Lead compounds | 2.25 |
| Manganese compounds | 2.23 |
| Hexachlorobenzene | 1.76 |
| Diisocyanates | 1.64 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1.57 |
| Xylene (mixed isomers) | 1.51 |
| 1,1-Dimethylhydrazine | 1.24 |
| 1,1,2,2-Tetrachloroethane | 1.09 |
| Aniline | 1.02 |
| n-Hexane (Hexane) | 0.92 |
| Aldrin | 0.90 |
| 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) | 0.87 |
| Diethanolamine | 0.75 |
| Nickel | 0.68 |
| Urethane | 0.63 |
| 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.) | 0.63 |
| 2,4,6-Trichlorophenol | 0.55 |
| 1,2,4-Trimethylbenzene | 0.54 |
| Chloromethane | 0.45 |
| Thiourea | 0.44 |
| Methyl acrylate | 0.41 |
| Mercury compounds | 0.41 |
| 3,3'-Dimethylbenzidine | 0.37 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.37 |
| Amitrole | 0.33 |
| Carbonyl sulfide | 0.32 |
| 4-Dimethylaminoazobenzene | 0.29 |
| Copper | 0.27 |
| Acrylamide | 0.27 |
| 2,4-Diaminotoluene (2,4-Toluenediamine) | 0.26 |
| Ethylene glycol | 0.25 |
| Zinc compounds | 0.24 |
| 1,1,2-Trichloroethane | 0.21 |
| Propylene | 0.21 |
| Ethylene | 0.20 |
| Vinyl acetate | 0.16 |
| Lindane | 0.16 |
| Biphenyl | 0.14 |
| Chlorobenzilate | 0.14 |
| Methyl hydrazine | 0.13 |
| Lead | 0.13 |
| 1,2-Diphenylhydrazine | 0.11 |
| Tetrachloroethylene | 0.10 |
| Polychlorinated biphenyls | 0.10 |
| Boron trifluoride | 0.10 |
| 4,4'-Methylenedianiline | 0.10 |
| 2-Methyllactonitrile (Acetone cyanohydrin) | 0.09 |
| Heptachlor | 0.09 |
| Styrene | 0.08 |
| Trichloroethylene | 0.08 |
| Chlordane | 0.08 |
| 2-Methoxyethanol | 0.07 |
| Benzyl chloride | 0.06 |
| Carbon tetrachloride | 0.06 |
| Vanadium compounds | 0.06 |
| Manganese | 0.06 |
| Certain glycol ethers | 0.05 |
| Cyanide compounds | 0.05 |
| m-Xylene | 0.05 |
| Toluene diisocyanate (mixed isomers) | 0.05 |
| Nitric acid | 0.05 |
| o-Xylene | 0.05 |
| Toluene | 0.04 |
| p-Xylene | 0.04 |
| Toluene-2,4-diisocyanate | 0.04 |
| Pyridine | 0.04 |
| Pentachlorophenol | 0.04 |
| Antimony compounds | 0.03 |
| Benzo[g,h,i]perylene | 0.03 |
| 1,2,4-Trichlorobenzene | 0.03 |
| Acetonitrile | 0.03 |
| Sodium fluoroacetate | 0.03 |
| Malononitrile | 0.03 |
| Cyclohexane | 0.02 |
| Propionaldehyde | 0.02 |
| Allyl chloride | 0.02 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.02 |
| Toxaphene | 0.02 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.02 |
| 1,2-Phenylenediamine | 0.02 |
| Methanol | 0.01 |
| o-Toluidine | 0.01 |
| tert-Butyl alcohol (tert-Butanol) | 0.01 |
| Phenol | 0.01 |
| Epichlorohydrin | 0.01 |
| 2-Nitropropane | 0.01 |
| Aldicarb | 0.01 |
| Catechol | 0.01 |
| 1,1,1,2-Tetrachloroethane | 0.01 |
| Maleic anhydride | 0.01 |
| Methyl methacrylate | 0.01 |
| Hexachloro-1,3-butadiene (Hexachlorobutadiene) | 0.01 |
| Cumene | 0.01 |
| Freon 113 (CFC-113) | 0.01 |
| Carbon disulfide | 0.01 |
| 1,4-Dichlorobenzene (p-Dichlorobenzene) | 0.01 |
| m-Dinitrobenzene | 0.01 |
| Hexachloroethane | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Hexachlorophene | 0.00 |
| Allyl alcohol | 0.00 |
| Permethrin | 0.00 |
| Chlorobenzene | 0.00 |
| Mercury | 0.00 |
| 3,3'-Dimethoxybenzidine | 0.00 |
| Warfarin and salts | 0.00 |
| 2,4-Dichlorophenol | 0.00 |
| Cresol (mixed isomers) | 0.00 |
| Ethylenebisdithiocarbamic acid, salts and esters | 0.00 |
| Dichloromethane (Methylene chloride) | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| 2,4-Dinitrophenol | 0.00 |
| Triethylamine | 0.00 |
| Ethyl acrylate | 0.00 |
| Captan | 0.00 |
| Cumene hydroperoxide | 0.00 |
| Phthalic anhydride | 0.00 |
| Propargyl alcohol | 0.00 |
| 2,4-D | 0.00 |
| Sodium azide | 0.00 |
| Dicamba | 0.00 |
| Isobutyraldehyde | 0.00 |
| Anthracene | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Sodium dicamba | 0.00 |
| Dimethoate | 0.00 |
| m-Cresol | 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 |
| Formic acid | 0.00 |
| Methoxychlor | 0.00 |
| 1,1,1-Trichloroethane | 0.00 |
| Sodium nitrite | 0.00 |
| o-Cresol | 0.00 |
| 4,4'-Isopropylidenediphenol | 0.00 |
| Trichlorofluoromethane (CFC-11) | 0.00 |
| Dichlorodifluoromethane (CFC-12) | 0.00 |
| sec-Butyl alcohol (2-Butanol) | 0.00 |
| Thiram | 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 |
