| Cobalt | 890.52 |
| 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.) | 668.05 |
| Chromium | 345.63 |
| Formaldehyde | 229.39 |
| Nickel compounds | 142.68 |
| Nickel | 21.48 |
| Antimony compounds | 2.33 |
| Lead compounds | 2.12 |
| Acrylic acid | 1.38 |
| Certain glycol ethers | 1.25 |
| Epichlorohydrin | 1.02 |
| Diisocyanates | 0.38 |
| Lead | 0.29 |
| Vinyl acetate | 0.27 |
| 1-Bromopropane | 0.15 |
| Trichloroethylene | 0.14 |
| Ethylbenzene | 0.11 |
| 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 |
| n-Butyl alcohol (1-Butanol) | 0.06 |
| Nitric acid | 0.06 |
| N,N-Dimethylformamide | 0.05 |
| Zinc compounds | 0.05 |
| Ozone | 0.05 |
| Xylene (mixed isomers) | 0.04 |
| Dichloromethane (Methylene chloride) | 0.04 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.03 |
| 1,2-Dichloroethylene | 0.03 |
| Copper | 0.01 |
| Benzene | 0.01 |
| Polycyclic aromatic compounds | 0.01 |
| Manganese compounds | 0.00 |
| Diethanolamine | 0.00 |
| Methanol | 0.00 |
| Toluene | 0.00 |
| Tetrachloroethylene | 0.00 |
| Methyl methacrylate | 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 |
| Phenol | 0.00 |
| n-Hexane (Hexane) | 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 |
