| Ethylene oxide | 37.71 |
| 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.) | 20.81 |
| Chromium | 11.78 |
| Nickel | 3.53 |
| Maleic anhydride | 2.59 |
| Diisocyanates | 1.71 |
| Dicyclopentadiene | 0.53 |
| Antimony compounds | 0.44 |
| Acrylonitrile | 0.22 |
| Peracetic acid | 0.18 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.07 |
| Formaldehyde | 0.04 |
| Nickel compounds | 0.04 |
| Nitric acid | 0.03 |
| Polycyclic aromatic compounds | 0.03 |
| Dichloromethane (Methylene chloride) | 0.02 |
| 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) | 0.02 |
| N,N-Dimethylformamide | 0.02 |
| Acetonitrile | 0.02 |
| Butyl acrylate | 0.01 |
| Lead | 0.01 |
| Pyridine | 0.01 |
| Phthalic anhydride | 0.01 |
| Lead compounds | 0.01 |
| Xylene (mixed isomers) | 0.01 |
| Phenol | 0.01 |
| Certain glycol ethers | 0.00 |
| Zinc compounds | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Vinyl acetate | 0.00 |
| Chlorine | 0.00 |
| Copper | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Styrene | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Toluene | 0.00 |
| Ethylene glycol | 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 |
| Acetophenone | 0.00 |
| Acrylic acid | 0.00 |
| Methanol | 0.00 |
| Methyl methacrylate | 0.00 |
| Ethyl acrylate | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Silver | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Formic acid | 0.00 |
| Cyanide compounds | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Mercury | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
