| Nickel compounds | 218.79 |
| Cobalt | 213.30 |
| Chromium | 41.57 |
| 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.) | 33.12 |
| Nickel | 5.61 |
| Diisocyanates | 2.24 |
| Cadmium compounds | 1.77 |
| Formaldehyde | 1.51 |
| Benzene | 0.64 |
| Chlorine | 0.37 |
| Toluene diisocyanate (mixed isomers) | 0.36 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.10 |
| Copper | 0.10 |
| Polycyclic aromatic compounds | 0.08 |
| Manganese | 0.07 |
| Xylene (mixed isomers) | 0.04 |
| Dichloromethane (Methylene chloride) | 0.03 |
| Nitric acid | 0.03 |
| Ethylbenzene | 0.02 |
| Butyl acrylate | 0.02 |
| Lead | 0.02 |
| Lead compounds | 0.02 |
| Certain glycol ethers | 0.02 |
| Antimony compounds | 0.01 |
| Acetonitrile | 0.01 |
| Maleic anhydride | 0.01 |
| Zinc compounds | 0.01 |
| Styrene | 0.01 |
| Naphthalene | 0.00 |
| Acrylic acid | 0.00 |
| Triethylamine | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| n-Hexane (Hexane) | 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 |
| Cyanide compounds | 0.00 |
| Phenol | 0.00 |
| Methyl methacrylate | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Methyl isobutyl ketone | 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 |
| Vinyl acetate | 0.00 |
| Toluene | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| Silver compounds | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Biphenyl | 0.00 |
| Methanol | 0.00 |
| Mercury | 0.00 |
| Propylene oxide | 0.00 |
| Ethyl acrylate | 0.00 |
| Silver | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Ethylene glycol | 0.00 |
| Cumene | 0.00 |
| Cyclohexane | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 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 |
