| Cobalt | 147.96 |
| Ethylene oxide | 90.32 |
| Nickel compounds | 54.53 |
| Chromium | 39.14 |
| 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.) | 32.00 |
| Cadmium compounds | 8.00 |
| Benzene | 7.33 |
| Acetaldehyde | 3.97 |
| Nickel | 2.53 |
| Diisocyanates | 1.71 |
| Toluene diisocyanate (mixed isomers) | 0.77 |
| Acrylonitrile | 0.59 |
| Chlorine | 0.54 |
| Ethylbenzene | 0.43 |
| Di(2-ethylhexyl) phthalate | 0.27 |
| Polycyclic aromatic compounds | 0.14 |
| Manganese | 0.12 |
| Triethylamine | 0.11 |
| Copper | 0.10 |
| Antimony compounds | 0.10 |
| Butyl acrylate | 0.10 |
| Manganese compounds | 0.10 |
| Xylene (mixed isomers) | 0.09 |
| Styrene | 0.08 |
| Naphthalene | 0.06 |
| Methyl methacrylate | 0.05 |
| Nitric acid | 0.05 |
| Formaldehyde | 0.04 |
| Maleic anhydride | 0.04 |
| Lead | 0.03 |
| Cyanide compounds | 0.02 |
| Acrylic acid | 0.02 |
| Lead compounds | 0.02 |
| 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) | 0.02 |
| N,N-Dimethylformamide | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.01 |
| 1,2,4-Trimethylbenzene | 0.01 |
| Mercury compounds | 0.01 |
| Acetonitrile | 0.01 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.01 |
| Zinc compounds | 0.00 |
| Vinyl acetate | 0.00 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Phenol | 0.00 |
| Silver compounds | 0.00 |
| Acetophenone | 0.00 |
| Toluene | 0.00 |
| Ethylene glycol | 0.00 |
| Silver | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Ethyl acrylate | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Certain glycol ethers | 0.00 |
| Cyclohexane | 0.00 |
| Cumene | 0.00 |
| Methanol | 0.00 |
| Biphenyl | 0.00 |
| Mercury | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Formic acid | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
