| Cobalt | 54.88 |
| Ethylene oxide | 23.30 |
| Chromium | 13.89 |
| 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.) | 11.28 |
| Trichloroethylene | 10.13 |
| Formaldehyde | 8.93 |
| Nickel | 1.64 |
| Diisocyanates | 0.83 |
| Maleic anhydride | 0.76 |
| Dicyclopentadiene | 0.23 |
| Antimony compounds | 0.10 |
| Certain glycol ethers | 0.08 |
| Epichlorohydrin | 0.08 |
| Acrylic acid | 0.08 |
| Acrylonitrile | 0.05 |
| N,N-Dimethylformamide | 0.05 |
| Peracetic acid | 0.04 |
| Polycyclic aromatic compounds | 0.01 |
| 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) | 0.01 |
| Nitric acid | 0.01 |
| Ethylbenzene | 0.01 |
| Lead | 0.01 |
| Xylene (mixed isomers) | 0.01 |
| Vinyl acetate | 0.01 |
| Lead compounds | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.01 |
| Butyl acrylate | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| Phenol | 0.00 |
| Phthalic anhydride | 0.00 |
| Benzene | 0.00 |
| Toluene | 0.00 |
| Manganese compounds | 0.00 |
| Dichloromethane (Methylene chloride) | 0.00 |
| Styrene | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Ethylene glycol | 0.00 |
| Zinc compounds | 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 |
| Methanol | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Acetonitrile | 0.00 |
| Methyl methacrylate | 0.00 |
| Hydrogen sulfide | 0.00 |
| Ethyl acrylate | 0.00 |
| Tetrachloroethylene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Manganese | 0.00 |
| Copper | 0.00 |
| Formic acid | 0.00 |
| 2,4-D | 0.00 |
| Diethanolamine | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Cyanide compounds | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Butyraldehyde | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
