| Cobalt | 878.10 |
| 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.) | 654.11 |
| Chromium | 434.77 |
| Formaldehyde | 183.66 |
| Nickel compounds | 148.51 |
| Nickel | 25.47 |
| Antimony compounds | 2.54 |
| Lead compounds | 2.29 |
| Certain glycol ethers | 1.14 |
| Acrylic acid | 1.09 |
| Epichlorohydrin | 0.84 |
| Diisocyanates | 0.41 |
| Lead | 0.29 |
| Vinyl acetate | 0.18 |
| 1-Bromopropane | 0.14 |
| Ethylbenzene | 0.10 |
| Trichloroethylene | 0.10 |
| 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) | 0.09 |
| Nitric acid | 0.07 |
| N,N-Dimethylformamide | 0.05 |
| Zinc compounds | 0.05 |
| n-Butyl alcohol (1-Butanol) | 0.05 |
| Ozone | 0.05 |
| Xylene (mixed isomers) | 0.03 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.03 |
| Dichloromethane (Methylene chloride) | 0.03 |
| 1,2-Dichloroethylene | 0.03 |
| Manganese | 0.02 |
| Copper | 0.01 |
| Benzene | 0.01 |
| Polycyclic aromatic compounds | 0.01 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.01 |
| Manganese compounds | 0.00 |
| Toluene | 0.00 |
| Methanol | 0.00 |
| Diethanolamine | 0.00 |
| Methyl methacrylate | 0.00 |
| Tetrachloroethylene | 0.00 |
| Styrene | 0.00 |
| Ethylene glycol | 0.00 |
| Hydrogen sulfide | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Phenol | 0.00 |
| Formic acid | 0.00 |
| Cyanide compounds | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| 2,4-D | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Cyclohexane | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Butyraldehyde | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
