| Ethylene oxide | 228.34 |
| 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.) | 114.92 |
| Chromium | 27.31 |
| Nickel | 5.53 |
| Maleic anhydride | 5.16 |
| Dicyclopentadiene | 4.26 |
| Lead | 2.44 |
| Antimony compounds | 2.26 |
| Diisocyanates | 1.95 |
| Trichloroethylene | 1.79 |
| Acrylonitrile | 0.78 |
| Peracetic acid | 0.66 |
| Formaldehyde | 0.25 |
| Polycyclic aromatic compounds | 0.22 |
| Zinc compounds | 0.18 |
| Di(2-ethylhexyl) phthalate | 0.17 |
| Butyl acrylate | 0.06 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.06 |
| Dichloromethane (Methylene chloride) | 0.05 |
| Nickel compounds | 0.04 |
| Nitric acid | 0.03 |
| Lead compounds | 0.03 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.02 |
| Phthalic anhydride | 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 |
| Hydrogen cyanide | 0.01 |
| Phenol | 0.01 |
| Acetonitrile | 0.01 |
| Toluene diisocyanate (mixed isomers) | 0.01 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.01 |
| Copper | 0.01 |
| Pyridine | 0.01 |
| Styrene | 0.01 |
| N,N-Dimethylformamide | 0.01 |
| Toluene | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Ethylene glycol | 0.00 |
| Certain glycol ethers | 0.00 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Methanol | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| o-Xylene | 0.00 |
| Acrylic acid | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Ethyl acrylate | 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 |
| Methyl methacrylate | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Vinyl acetate | 0.00 |
| Mercury | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Silver | 0.00 |
| Formic acid | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Cyanide compounds | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| Tetrabromobisphenol A | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
