| Ethylene oxide | 25.63 |
| Chromium | 12.59 |
| 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.) | 12.45 |
| Trichloroethylene | 9.48 |
| Formaldehyde | 2.46 |
| Nickel | 1.90 |
| Maleic anhydride | 1.30 |
| Dicyclopentadiene | 0.85 |
| Antimony compounds | 0.31 |
| Diisocyanates | 0.19 |
| Acrylonitrile | 0.11 |
| Peracetic acid | 0.09 |
| Acrylic acid | 0.06 |
| N,N-Dimethylformamide | 0.04 |
| Polycyclic aromatic compounds | 0.03 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Lead compounds | 0.01 |
| Butyl acrylate | 0.01 |
| Nitric acid | 0.01 |
| Lead | 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) | 0.00 |
| Phenol | 0.00 |
| Phthalic anhydride | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| Styrene | 0.00 |
| Vinyl acetate | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Certain glycol ethers | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Ethylene glycol | 0.00 |
| Zinc compounds | 0.00 |
| Manganese compounds | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Toluene | 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 |
| Acetonitrile | 0.00 |
| Methyl methacrylate | 0.00 |
| Ethyl acrylate | 0.00 |
| Ethylbenzene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Tetrachloroethylene | 0.00 |
| Manganese | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Copper | 0.00 |
| 2,4-D | 0.00 |
| Formic acid | 0.00 |
| Diethanolamine | 0.00 |
| Cyanide 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 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |