| Chromium | 70.26 |
| Trichloroethylene | 20.12 |
| Ethylene oxide | 16.31 |
| Formaldehyde | 10.08 |
| 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.) | 6.79 |
| Nickel | 6.03 |
| Cobalt | 1.32 |
| Maleic anhydride | 0.69 |
| Diisocyanates | 0.50 |
| Dicyclopentadiene | 0.30 |
| N,N-Dimethylformamide | 0.12 |
| Acrylic acid | 0.10 |
| Antimony compounds | 0.10 |
| Certain glycol ethers | 0.10 |
| Epichlorohydrin | 0.06 |
| Acrylonitrile | 0.06 |
| Peracetic acid | 0.04 |
| Polycyclic aromatic compounds | 0.02 |
| Nitric acid | 0.01 |
| Ethylbenzene | 0.01 |
| Di(2-ethylhexyl) phthalate | 0.01 |
| n-Butyl alcohol (1-Butanol) | 0.01 |
| Vinyl acetate | 0.01 |
| Copper | 0.01 |
| Lead compounds | 0.01 |
| Butyl acrylate | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| Lead | 0.00 |
| Benzene | 0.00 |
| Phthalic anhydride | 0.00 |
| 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) | 0.00 |
| Styrene | 0.00 |
| Phenol | 0.00 |
| Dichloromethane (Methylene chloride) | 0.00 |
| Manganese compounds | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Toluene | 0.00 |
| Zinc compounds | 0.00 |
| Ethylene glycol | 0.00 |
| Methanol | 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 |
| Hydrogen sulfide | 0.00 |
| Methyl methacrylate | 0.00 |
| Acetonitrile | 0.00 |
| Ethyl acrylate | 0.00 |
| Tetrachloroethylene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Manganese | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Diethanolamine | 0.00 |
| 2,4-D | 0.00 |
| Formic acid | 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 |
