| Cobalt | 2,252.28 |
| Chromium | 156.93 |
| Epichlorohydrin | 84.41 |
| Formaldehyde | 82.53 |
| Nickel | 11.20 |
| Certain glycol ethers | 8.46 |
| Diisocyanates | 3.69 |
| Antimony compounds | 2.03 |
| Acrylic acid | 1.99 |
| Lead compounds | 1.84 |
| n-Butyl alcohol (1-Butanol) | 0.51 |
| 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.) | 0.15 |
| Ethylbenzene | 0.14 |
| Lead | 0.11 |
| Vinyl acetate | 0.09 |
| Nitric acid | 0.06 |
| Trichloroethylene | 0.05 |
| Xylene (mixed isomers) | 0.04 |
| 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) | 0.04 |
| Ozone | 0.04 |
| N,N-Dimethylformamide | 0.02 |
| Benzene | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Formic acid | 0.01 |
| Manganese compounds | 0.01 |
| Copper | 0.01 |
| Toluene | 0.00 |
| Zinc compounds | 0.00 |
| Hydrogen sulfide | 0.00 |
| Tetrachloroethylene | 0.00 |
| Diethanolamine | 0.00 |
| Methyl methacrylate | 0.00 |
| Methanol | 0.00 |
| Styrene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Ethylene glycol | 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 |
| 2,4-D | 0.00 |
| Cyanide compounds | 0.00 |
| Polycyclic aromatic compounds | 0.00 |
| Methyl isobutyl ketone | 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 |
