| Cobalt | 557.64 |
| Nickel compounds | 140.52 |
| Chromium | 92.65 |
| 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.) | 60.55 |
| Nickel | 6.49 |
| Cadmium compounds | 3.31 |
| Formaldehyde | 1.70 |
| Benzene | 1.69 |
| Diisocyanates | 1.61 |
| Toluene diisocyanate (mixed isomers) | 0.65 |
| Chlorine | 0.35 |
| Di(2-ethylhexyl) phthalate | 0.19 |
| Polycyclic aromatic compounds | 0.16 |
| Acrylonitrile | 0.15 |
| Copper | 0.14 |
| Antimony compounds | 0.10 |
| Manganese | 0.08 |
| Xylene (mixed isomers) | 0.06 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.06 |
| Butyl acrylate | 0.05 |
| Ethylbenzene | 0.04 |
| Lead | 0.03 |
| Nitric acid | 0.03 |
| Certain glycol ethers | 0.03 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Acetonitrile | 0.02 |
| Lead compounds | 0.02 |
| Maleic anhydride | 0.02 |
| Styrene | 0.01 |
| Zinc compounds | 0.01 |
| Naphthalene | 0.01 |
| Acrylic acid | 0.01 |
| Triethylamine | 0.01 |
| Cyanide compounds | 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 |
| N,N-Dimethylformamide | 0.00 |
| Phenol | 0.00 |
| Methyl methacrylate | 0.00 |
| n-Hexane (Hexane) | 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 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Vinyl acetate | 0.00 |
| Acetophenone | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Silver compounds | 0.00 |
| Toluene | 0.00 |
| Mercury compounds | 0.00 |
| Silver | 0.00 |
| Mercury | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Methanol | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Biphenyl | 0.00 |
| Propylene oxide | 0.00 |
| Ethyl acrylate | 0.00 |
| Cyclohexane | 0.00 |
| Cumene | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Ethylene glycol | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Formic acid | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
