| Cadmium compounds | 260.38 |
| Ethylene oxide | 101.98 |
| 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.) | 100.34 |
| Chromium | 85.59 |
| Cobalt | 67.58 |
| Nickel compounds | 36.19 |
| Nickel | 24.52 |
| Chlorine | 6.44 |
| Toluene diisocyanate (mixed isomers) | 6.11 |
| Benzene | 5.78 |
| Diisocyanates | 4.82 |
| Polycyclic aromatic compounds | 2.98 |
| Acetaldehyde | 1.63 |
| Di(2-ethylhexyl) phthalate | 1.34 |
| Antimony compounds | 0.75 |
| Formaldehyde | 0.75 |
| Chloroform | 0.64 |
| Acrylonitrile | 0.58 |
| Copper | 0.35 |
| Cyanide compounds | 0.15 |
| Xylene (mixed isomers) | 0.09 |
| Ethylbenzene | 0.09 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.08 |
| Lead compounds | 0.08 |
| Nitric acid | 0.08 |
| Silver compounds | 0.07 |
| Lead | 0.06 |
| Triethylamine | 0.06 |
| Naphthalene | 0.05 |
| 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) | 0.05 |
| Manganese compounds | 0.04 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.03 |
| Certain glycol ethers | 0.03 |
| Butyl acrylate | 0.03 |
| Acetonitrile | 0.03 |
| Maleic anhydride | 0.02 |
| Manganese | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| N,N-Dimethylformamide | 0.02 |
| 1,2,4-Trimethylbenzene | 0.01 |
| Zinc compounds | 0.01 |
| Pyridine | 0.01 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.01 |
| Phenol | 0.01 |
| Acetophenone | 0.01 |
| Mercury compounds | 0.01 |
| Acrylic acid | 0.01 |
| Methyl methacrylate | 0.01 |
| Styrene | 0.01 |
| Aluminum (fume or dust) | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Toluene | 0.00 |
| Vinyl acetate | 0.00 |
| Silver | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Ethylene glycol | 0.00 |
| Mercury | 0.00 |
| Methanol | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Ethyl acrylate | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Cyclohexane | 0.00 |
| Cumene | 0.00 |
| Propylene oxide | 0.00 |
| Biphenyl | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Formic acid | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
