| Cobalt | 1,671.01 |
| Chromium | 242.53 |
| Formaldehyde | 64.68 |
| Nickel | 18.25 |
| Epichlorohydrin | 17.27 |
| Certain glycol ethers | 4.56 |
| Diisocyanates | 2.25 |
| Antimony compounds | 1.79 |
| Lead compounds | 1.59 |
| Acrylic acid | 1.27 |
| n-Butyl alcohol (1-Butanol) | 0.32 |
| Ethylbenzene | 0.17 |
| 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.) | 0.14 |
| Lead | 0.08 |
| Vinyl acetate | 0.06 |
| Nitric acid | 0.06 |
| Xylene (mixed isomers) | 0.04 |
| Trichloroethylene | 0.04 |
| Benzene | 0.03 |
| Ozone | 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,N-Dimethylformamide | 0.02 |
| Copper | 0.02 |
| Manganese compounds | 0.01 |
| Dichloromethane (Methylene chloride) | 0.01 |
| Toluene | 0.00 |
| Formic acid | 0.00 |
| Hydrogen sulfide | 0.00 |
| Zinc compounds | 0.00 |
| Methyl methacrylate | 0.00 |
| Tetrachloroethylene | 0.00 |
| Methanol | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Diethanolamine | 0.00 |
| Styrene | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Polycyclic aromatic compounds | 0.00 |
| Cyanide compounds | 0.00 |
| Ethylene glycol | 0.00 |
| 2,4-D | 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 |
| 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 |
