| Cobalt | 424.97 |
| Nickel compounds | 95.11 |
| 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.) | 88.18 |
| Chromium | 85.19 |
| Ethylene oxide | 47.58 |
| Cadmium compounds | 7.35 |
| Nickel | 6.05 |
| Benzene | 3.62 |
| Acetaldehyde | 2.71 |
| Diisocyanates | 2.65 |
| Toluene diisocyanate (mixed isomers) | 1.78 |
| Formaldehyde | 0.71 |
| Di(2-ethylhexyl) phthalate | 0.55 |
| Chlorine | 0.54 |
| Butyl acrylate | 0.43 |
| Acrylonitrile | 0.33 |
| Antimony compounds | 0.23 |
| Copper | 0.22 |
| Polycyclic aromatic compounds | 0.18 |
| Ethylbenzene | 0.14 |
| Maleic anhydride | 0.13 |
| Manganese | 0.09 |
| Acrylic acid | 0.09 |
| Manganese compounds | 0.07 |
| Xylene (mixed isomers) | 0.07 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.05 |
| Triethylamine | 0.04 |
| Nitric acid | 0.04 |
| Lead | 0.04 |
| Lead compounds | 0.03 |
| Naphthalene | 0.03 |
| Styrene | 0.03 |
| Certain glycol ethers | 0.03 |
| Vinyl acetate | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Acetonitrile | 0.02 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.01 |
| Cyanide compounds | 0.01 |
| Zinc compounds | 0.01 |
| N,N-Dimethylformamide | 0.01 |
| 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) | 0.01 |
| Methyl methacrylate | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.01 |
| 1,2,4-Trimethylbenzene | 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 |
| Mercury compounds | 0.00 |
| Phenol | 0.00 |
| Acetophenone | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Toluene | 0.00 |
| Silver compounds | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| Ethylene glycol | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Silver | 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 |
| Mercury | 0.00 |
| Methanol | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Biphenyl | 0.00 |
| Propylene oxide | 0.00 |
| Cyclohexane | 0.00 |
| Cumene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Formic acid | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
