| Chromium | 46.92 |
| Ethylene oxide | 18.95 |
| Trichloroethylene | 17.34 |
| 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.) | 7.71 |
| Formaldehyde | 5.39 |
| Nickel | 4.41 |
| Maleic anhydride | 1.07 |
| Dicyclopentadiene | 0.76 |
| Diisocyanates | 0.25 |
| Antimony compounds | 0.14 |
| Acrylonitrile | 0.09 |
| Acrylic acid | 0.08 |
| Dichloromethane (Methylene chloride) | 0.07 |
| Peracetic acid | 0.07 |
| N,N-Dimethylformamide | 0.06 |
| Polycyclic aromatic compounds | 0.04 |
| Ethylbenzene | 0.01 |
| Butyl acrylate | 0.01 |
| Nitric acid | 0.01 |
| Di(2-ethylhexyl) phthalate | 0.01 |
| Lead compounds | 0.01 |
| Copper | 0.00 |
| Vinyl acetate | 0.00 |
| Lead | 0.00 |
| Phthalic anhydride | 0.00 |
| Xylene (mixed isomers) | 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 |
| Benzene | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Manganese compounds | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Zinc compounds | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Ethylene glycol | 0.00 |
| Toluene | 0.00 |
| Certain glycol ethers | 0.00 |
| Methanol | 0.00 |
| Methyl methacrylate | 0.00 |
| Ethyl acrylate | 0.00 |
| Acetonitrile | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Hydrogen sulfide | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Tetrachloroethylene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Manganese | 0.00 |
| 2,4-D | 0.00 |
| Diethanolamine | 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 |
