| Chromium | 46.57 |
| Cobalt | 11.89 |
| Trichloroethylene | 5.95 |
| Nickel | 4.54 |
| 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.) | 2.90 |
| Maleic anhydride | 1.29 |
| Dicyclopentadiene | 1.03 |
| Dichloromethane (Methylene chloride) | 0.34 |
| Antimony compounds | 0.14 |
| Acrylonitrile | 0.13 |
| Peracetic acid | 0.11 |
| Polycyclic aromatic compounds | 0.10 |
| Formaldehyde | 0.09 |
| Lead | 0.03 |
| Butyl acrylate | 0.01 |
| Phthalic anhydride | 0.00 |
| Copper | 0.00 |
| Styrene | 0.00 |
| Nitric acid | 0.00 |
| Diisocyanates | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| 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 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Lead compounds | 0.00 |
| Certain glycol ethers | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Zinc compounds | 0.00 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Ethylbenzene | 0.00 |
| Phenol | 0.00 |
| Toluene | 0.00 |
| Acrylic acid | 0.00 |
| Acetonitrile | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Ethyl acrylate | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| Ethylene glycol | 0.00 |
| Methyl methacrylate | 0.00 |
| Methanol | 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 compounds | 0.00 |
| N,N-Dimethylformamide | 0.00 |
| Manganese | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Acetophenone | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
Political Economy Research Institute
