| Cobalt | 550.85 |
| Formaldehyde | 532.07 |
| Chromium | 304.20 |
| Nickel | 18.68 |
| Acrylic acid | 1.76 |
| Antimony compounds | 1.71 |
| Lead compounds | 1.59 |
| 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.) | 1.46 |
| Epichlorohydrin | 1.24 |
| Certain glycol ethers | 0.85 |
| Vinyl acetate | 0.56 |
| Diisocyanates | 0.51 |
| Trichloroethylene | 0.39 |
| Lead | 0.22 |
| Ethylbenzene | 0.12 |
| Dichloromethane (Methylene chloride) | 0.11 |
| n-Butyl alcohol (1-Butanol) | 0.09 |
| 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) | 0.05 |
| Nitric acid | 0.05 |
| Xylene (mixed isomers) | 0.05 |
| N,N-Dimethylformamide | 0.04 |
| Zinc compounds | 0.04 |
| Ozone | 0.03 |
| Diethanolamine | 0.01 |
| Benzene | 0.01 |
| Copper | 0.01 |
| Tetrachloroethylene | 0.01 |
| Methanol | 0.01 |
| Manganese compounds | 0.00 |
| Toluene | 0.00 |
| Ethylene glycol | 0.00 |
| Polycyclic aromatic compounds | 0.00 |
| Styrene | 0.00 |
| Methyl methacrylate | 0.00 |
| Hydrogen sulfide | 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 |
| Formic acid | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| 2,4-D | 0.00 |
| Cyanide compounds | 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 |
