| 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.) | 161.74 |
| Cobalt | 85.17 |
| Nickel | 69.37 |
| Chromium | 45.29 |
| Cadmium compounds | 21.09 |
| Ethylene oxide | 15.10 |
| Benzene | 4.14 |
| Toluene diisocyanate (mixed isomers) | 3.77 |
| Diisocyanates | 3.60 |
| Polycyclic aromatic compounds | 2.41 |
| Chlorine | 1.13 |
| Di(2-ethylhexyl) phthalate | 0.84 |
| Chloroform | 0.82 |
| Formaldehyde | 0.82 |
| Antimony compounds | 0.58 |
| Copper | 0.50 |
| Acrylonitrile | 0.36 |
| Nickel compounds | 0.35 |
| Xylene (mixed isomers) | 0.13 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.09 |
| Ethylbenzene | 0.07 |
| Nitric acid | 0.06 |
| Naphthalene | 0.06 |
| Certain glycol ethers | 0.05 |
| Lead compounds | 0.05 |
| Lead | 0.04 |
| 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) | 0.04 |
| Acetonitrile | 0.03 |
| Cyanide compounds | 0.03 |
| Triethylamine | 0.03 |
| Butyl acrylate | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| Maleic anhydride | 0.02 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.02 |
| Zinc compounds | 0.02 |
| N,N-Dimethylformamide | 0.01 |
| Pyridine | 0.01 |
| Phenol | 0.01 |
| Aluminum (fume or dust) | 0.01 |
| Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.01 |
| Acetophenone | 0.01 |
| 1,2,4-Trimethylbenzene | 0.01 |
| Acrylic acid | 0.01 |
| Silver compounds | 0.01 |
| Toluene | 0.00 |
| Methyl methacrylate | 0.00 |
| Styrene | 0.00 |
| Manganese | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| o-Xylene | 0.00 |
| Mercury compounds | 0.00 |
| Vinyl acetate | 0.00 |
| Silver | 0.00 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| Ethylene glycol | 0.00 |
| Mercury | 0.00 |
| Methanol | 0.00 |
| Ethyl acrylate | 0.00 |
| Propylene oxide | 0.00 |
| Cyclohexane | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Cumene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| Formic acid | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| Lithium carbonate | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
