| Cobalt | 286.04 |
| Nickel compounds | 165.30 |
| 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.) | 83.75 |
| Chromium | 81.19 |
| Nickel | 10.95 |
| Diisocyanates | 3.75 |
| Cadmium compounds | 3.38 |
| Benzene | 2.59 |
| Acetaldehyde | 1.38 |
| Formaldehyde | 0.81 |
| Toluene diisocyanate (mixed isomers) | 0.72 |
| Chlorine | 0.35 |
| Di(2-ethylhexyl) phthalate | 0.30 |
| Acrylonitrile | 0.25 |
| Manganese | 0.22 |
| Copper | 0.16 |
| Butyl acrylate | 0.15 |
| Antimony compounds | 0.14 |
| Polycyclic aromatic compounds | 0.10 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.07 |
| Ethylbenzene | 0.06 |
| Maleic anhydride | 0.05 |
| Xylene (mixed isomers) | 0.05 |
| Manganese compounds | 0.04 |
| Nitric acid | 0.03 |
| Acrylic acid | 0.03 |
| Lead | 0.03 |
| Styrene | 0.03 |
| Triethylamine | 0.02 |
| Lead compounds | 0.02 |
| Naphthalene | 0.02 |
| Certain glycol ethers | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Zinc compounds | 0.01 |
| Acetonitrile | 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 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.01 |
| Cyanide compounds | 0.01 |
| N,N-Dimethylformamide | 0.01 |
| Vinyl acetate | 0.01 |
| Methyl methacrylate | 0.01 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.00 |
| Mercury compounds | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Phenol | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Acetophenone | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| Toluene | 0.00 |
| Silver compounds | 0.00 |
| Ethylene glycol | 0.00 |
| Silver | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Mercury | 0.00 |
| Ethyl acrylate | 0.00 |
| Biphenyl | 0.00 |
| Methanol | 0.00 |
| Propylene oxide | 0.00 |
| Cyclohexane | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Cumene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Formic acid | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
