| Cobalt | 153.15 |
| Nickel compounds | 133.98 |
| 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.) | 34.17 |
| Chromium | 29.71 |
| Nickel | 3.62 |
| Cadmium compounds | 1.33 |
| Diisocyanates | 1.21 |
| Formaldehyde | 1.09 |
| Chlorine | 0.82 |
| Chloroform | 0.33 |
| Toluene diisocyanate (mixed isomers) | 0.23 |
| Copper | 0.20 |
| Benzene | 0.17 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.12 |
| Polycyclic aromatic compounds | 0.08 |
| Nitric acid | 0.06 |
| Manganese | 0.04 |
| Lead compounds | 0.04 |
| Dichloromethane (Methylene chloride) | 0.04 |
| Xylene (mixed isomers) | 0.04 |
| Lead | 0.02 |
| Butyl acrylate | 0.01 |
| Certain glycol ethers | 0.01 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.01 |
| Antimony compounds | 0.01 |
| Acetonitrile | 0.01 |
| Maleic anhydride | 0.01 |
| Zinc compounds | 0.00 |
| Ethylbenzene | 0.00 |
| Styrene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Acrylic acid | 0.00 |
| 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) | 0.00 |
| Naphthalene | 0.00 |
| Cyanide compounds | 0.00 |
| Phenol | 0.00 |
| Zinc (fume or dust) | 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 |
| Methyl isobutyl ketone | 0.00 |
| Toluene | 0.00 |
| Vinyl acetate | 0.00 |
| Silver compounds | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Methanol | 0.00 |
| Biphenyl | 0.00 |
| Mercury | 0.00 |
| Propylene oxide | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Ethyl acrylate | 0.00 |
| Silver | 0.00 |
| Ethylene glycol | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Cumene | 0.00 |
| Methyl methacrylate | 0.00 |
| Cyclohexane | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
