| Cobalt | 251.19 |
| Chromium | 152.47 |
| Formaldehyde | 116.67 |
| Nickel | 10.68 |
| 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.) | 1.65 |
| Antimony compounds | 0.99 |
| Lead compounds | 0.88 |
| Acrylic acid | 0.50 |
| Diisocyanates | 0.47 |
| Epichlorohydrin | 0.36 |
| Certain glycol ethers | 0.31 |
| Vinyl acetate | 0.09 |
| Ethylbenzene | 0.06 |
| Trichloroethylene | 0.04 |
| N,N-Dimethylformamide | 0.04 |
| Nitric acid | 0.03 |
| 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) | 0.03 |
| n-Butyl alcohol (1-Butanol) | 0.03 |
| Ozone | 0.02 |
| Lead | 0.02 |
| Xylene (mixed isomers) | 0.02 |
| Dichloromethane (Methylene chloride) | 0.01 |
| Benzene | 0.01 |
| Manganese compounds | 0.00 |
| Copper | 0.00 |
| Styrene | 0.00 |
| Toluene | 0.00 |
| Zinc compounds | 0.00 |
| Methanol | 0.00 |
| Diethanolamine | 0.00 |
| Tetrachloroethylene | 0.00 |
| Hydrogen sulfide | 0.00 |
| Methyl methacrylate | 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 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Ethylene glycol | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Formic acid | 0.00 |
| 2,4-D | 0.00 |
| Cyanide compounds | 0.00 |
| Polycyclic aromatic compounds | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Manganese | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Butyraldehyde | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
