| Nickel compounds | 1,107.21 |
| Cobalt | 237.75 |
| Chromium | 45.61 |
| Diisocyanates | 6.49 |
| Nickel | 5.63 |
| 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.) | 5.23 |
| Cadmium compounds | 2.88 |
| Benzene | 1.84 |
| Formaldehyde | 0.75 |
| Toluene diisocyanate (mixed isomers) | 0.62 |
| Chlorine | 0.27 |
| Di(2-ethylhexyl) phthalate | 0.18 |
| Acrylonitrile | 0.17 |
| Copper | 0.11 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.09 |
| Manganese | 0.08 |
| Antimony compounds | 0.08 |
| Polycyclic aromatic compounds | 0.05 |
| Nitric acid | 0.05 |
| Butyl acrylate | 0.05 |
| Ethylbenzene | 0.04 |
| Maleic anhydride | 0.02 |
| Naphthalene | 0.02 |
| Lead compounds | 0.02 |
| Lead | 0.02 |
| Dichloromethane (Methylene chloride) | 0.01 |
| Zinc compounds | 0.01 |
| Triethylamine | 0.01 |
| Acrylic acid | 0.01 |
| Xylene (mixed isomers) | 0.01 |
| Acetonitrile | 0.01 |
| Styrene | 0.01 |
| Cyanide compounds | 0.01 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.01 |
| Methyl isobutyl ketone | 0.01 |
| N,N-Dimethylformamide | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Zinc (fume or dust) | 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 |
| Methyl methacrylate | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Vinyl acetate | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| Phenol | 0.00 |
| Silver compounds | 0.00 |
| Toluene | 0.00 |
| Mercury compounds | 0.00 |
| Biphenyl | 0.00 |
| Silver | 0.00 |
| Ethyl acrylate | 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 |
| Methanol | 0.00 |
| Propylene oxide | 0.00 |
| Certain glycol ethers | 0.00 |
| Mercury | 0.00 |
| Cumene | 0.00 |
| Cyclohexane | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Ethylene glycol | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Formic acid | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Acetophenone | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
