| Nickel compounds | 157.44 |
| Cobalt | 116.74 |
| Ethylene oxide | 81.78 |
| Chromium | 56.12 |
| 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.) | 18.17 |
| Cadmium compounds | 5.73 |
| Nickel | 3.42 |
| Benzene | 2.77 |
| Acetaldehyde | 2.06 |
| Diisocyanates | 1.36 |
| Toluene diisocyanate (mixed isomers) | 0.44 |
| Chlorine | 0.40 |
| Manganese | 0.28 |
| Acrylonitrile | 0.26 |
| Ethylbenzene | 0.16 |
| Di(2-ethylhexyl) phthalate | 0.14 |
| Butyl acrylate | 0.08 |
| Copper | 0.08 |
| Manganese compounds | 0.07 |
| Antimony compounds | 0.06 |
| Polycyclic aromatic compounds | 0.06 |
| Styrene | 0.04 |
| Formaldehyde | 0.04 |
| Nitric acid | 0.03 |
| Xylene (mixed isomers) | 0.03 |
| Maleic anhydride | 0.03 |
| Triethylamine | 0.03 |
| Naphthalene | 0.02 |
| Lead | 0.02 |
| Acrylic acid | 0.02 |
| Cyanide compounds | 0.01 |
| Lead 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 |
| Methyl methacrylate | 0.01 |
| Mercury compounds | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.01 |
| Acetonitrile | 0.01 |
| Zinc compounds | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Vinyl acetate | 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 |
| n-Hexane (Hexane) | 0.00 |
| Silver compounds | 0.00 |
| Acetophenone | 0.00 |
| Phenol | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| Ethylene glycol | 0.00 |
| Toluene | 0.00 |
| Silver | 0.00 |
| Biphenyl | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Ethyl acrylate | 0.00 |
| Certain glycol ethers | 0.00 |
| Cyclohexane | 0.00 |
| Mercury | 0.00 |
| Cumene | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Methanol | 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 |
