| Cobalt | 703.43 |
| Formaldehyde | 411.39 |
| Chromium | 294.71 |
| Nickel | 18.76 |
| Antimony compounds | 1.90 |
| Acrylic acid | 1.88 |
| Lead compounds | 1.77 |
| Epichlorohydrin | 1.22 |
| Certain glycol ethers | 0.84 |
| Vinyl acetate | 0.46 |
| Diisocyanates | 0.45 |
| Trichloroethylene | 0.32 |
| Lead | 0.24 |
| 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.) | 0.12 |
| Ethylbenzene | 0.12 |
| Dichloromethane (Methylene chloride) | 0.09 |
| n-Butyl alcohol (1-Butanol) | 0.08 |
| 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) | 0.06 |
| Xylene (mixed isomers) | 0.06 |
| Nitric acid | 0.05 |
| Zinc compounds | 0.04 |
| N,N-Dimethylformamide | 0.04 |
| Ozone | 0.04 |
| Diethanolamine | 0.01 |
| Benzene | 0.01 |
| Copper | 0.01 |
| Manganese compounds | 0.00 |
| Tetrachloroethylene | 0.00 |
| Methanol | 0.00 |
| Toluene | 0.00 |
| Polycyclic aromatic compounds | 0.00 |
| Ethylene glycol | 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 |
