| Cobalt | 330.03 |
| Nickel compounds | 91.00 |
| Chromium | 52.47 |
| 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.) | 42.74 |
| Nickel | 4.65 |
| Formaldehyde | 3.68 |
| Cadmium compounds | 2.35 |
| Benzene | 1.24 |
| Diisocyanates | 0.86 |
| Chloroform | 0.45 |
| Toluene diisocyanate (mixed isomers) | 0.43 |
| Chlorine | 0.31 |
| Polycyclic aromatic compounds | 0.23 |
| Di(2-ethylhexyl) phthalate | 0.12 |
| Copper | 0.10 |
| Xylene (mixed isomers) | 0.08 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.08 |
| Antimony compounds | 0.07 |
| Dichloromethane (Methylene chloride) | 0.05 |
| Ethylbenzene | 0.04 |
| Manganese | 0.04 |
| Butyl acrylate | 0.02 |
| Naphthalene | 0.02 |
| Certain glycol ethers | 0.02 |
| Lead | 0.02 |
| Nitric acid | 0.02 |
| Lead compounds | 0.02 |
| Acetonitrile | 0.01 |
| Maleic anhydride | 0.01 |
| Phenol | 0.01 |
| Zinc compounds | 0.01 |
| Triethylamine | 0.01 |
| Acrylic acid | 0.01 |
| Styrene | 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) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Cyanide compounds | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| Methyl methacrylate | 0.00 |
| 1,2,4-Trimethylbenzene | 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 |
| Toluene | 0.00 |
| Vinyl acetate | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Silver compounds | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Methanol | 0.00 |
| Mercury | 0.00 |
| Propylene oxide | 0.00 |
| Biphenyl | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Ethylene glycol | 0.00 |
| Ethyl acrylate | 0.00 |
| Silver | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 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 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
