| 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.) | 66.90 |
| Ethylene oxide | 58.78 |
| Chromium | 22.18 |
| Nickel | 6.86 |
| Maleic anhydride | 3.89 |
| Cadmium compounds | 3.82 |
| Diisocyanates | 1.89 |
| Dicyclopentadiene | 1.12 |
| Antimony compounds | 0.84 |
| Acrylonitrile | 0.33 |
| Peracetic acid | 0.26 |
| Chlorine | 0.23 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.10 |
| Formaldehyde | 0.08 |
| Di(2-ethylhexyl) phthalate | 0.05 |
| Polycyclic aromatic compounds | 0.05 |
| Nickel compounds | 0.04 |
| Nitric acid | 0.04 |
| Dichloromethane (Methylene chloride) | 0.03 |
| 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) | 0.03 |
| Butyl acrylate | 0.02 |
| Lead | 0.02 |
| Acetonitrile | 0.02 |
| Lead compounds | 0.02 |
| Phenol | 0.01 |
| Phthalic anhydride | 0.01 |
| Pyridine | 0.01 |
| N,N-Dimethylformamide | 0.01 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.01 |
| Zinc compounds | 0.01 |
| Cyanide compounds | 0.01 |
| Xylene (mixed isomers) | 0.01 |
| Certain glycol ethers | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Styrene | 0.00 |
| Ethylene glycol | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Vinyl acetate | 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 |
| Copper | 0.00 |
| Toluene | 0.00 |
| Acetophenone | 0.00 |
| Methanol | 0.00 |
| Silver compounds | 0.00 |
| o-Xylene | 0.00 |
| Acrylic acid | 0.00 |
| Methyl methacrylate | 0.00 |
| Ethyl acrylate | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Mercury | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Silver | 0.00 |
| Formic acid | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
