| Ethylene oxide | 30.73 |
| 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.) | 21.26 |
| Chromium | 17.55 |
| Trichloroethylene | 7.84 |
| Nickel | 2.25 |
| Maleic anhydride | 2.09 |
| Dicyclopentadiene | 1.79 |
| Antimony compounds | 0.37 |
| Acrylonitrile | 0.18 |
| Diisocyanates | 0.17 |
| Peracetic acid | 0.14 |
| Dichloromethane (Methylene chloride) | 0.06 |
| Polycyclic aromatic compounds | 0.04 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.04 |
| N,N-Dimethylformamide | 0.03 |
| Nitric acid | 0.02 |
| Butyl acrylate | 0.01 |
| Lead compounds | 0.01 |
| Formaldehyde | 0.01 |
| Acetonitrile | 0.01 |
| Phthalic anhydride | 0.01 |
| Lead | 0.01 |
| Phenol | 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) | 0.01 |
| Pyridine | 0.00 |
| Styrene | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Zinc compounds | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Ethylene glycol | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| o-Xylene | 0.00 |
| Acrylic acid | 0.00 |
| Methyl methacrylate | 0.00 |
| Vinyl acetate | 0.00 |
| Ethyl acrylate | 0.00 |
| Toluene | 0.00 |
| Methanol | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Certain glycol ethers | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Manganese | 0.00 |
| Formic acid | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Cyanide compounds | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
