| Cadmium compounds | 186.14 |
| Ethylene oxide | 118.12 |
| 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.) | 90.33 |
| Cobalt | 75.32 |
| Chromium | 42.43 |
| Nickel compounds | 33.62 |
| Nickel | 11.46 |
| Benzene | 6.93 |
| Diisocyanates | 6.52 |
| Chlorine | 3.88 |
| Polycyclic aromatic compounds | 3.01 |
| Toluene diisocyanate (mixed isomers) | 2.90 |
| Di(2-ethylhexyl) phthalate | 2.20 |
| Acetaldehyde | 1.77 |
| Antimony compounds | 1.02 |
| Acrylonitrile | 0.77 |
| Formaldehyde | 0.67 |
| Chloroform | 0.56 |
| Copper | 0.17 |
| Ethylbenzene | 0.09 |
| Cyanide compounds | 0.09 |
| Nitric acid | 0.09 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.09 |
| Triethylamine | 0.09 |
| Xylene (mixed isomers) | 0.07 |
| Naphthalene | 0.06 |
| 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) | 0.06 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.05 |
| Manganese compounds | 0.05 |
| Silver compounds | 0.05 |
| Lead compounds | 0.04 |
| Lead | 0.03 |
| Butyl acrylate | 0.03 |
| Acetonitrile | 0.03 |
| Certain glycol ethers | 0.03 |
| Manganese | 0.03 |
| Maleic anhydride | 0.03 |
| N,N-Dimethylformamide | 0.02 |
| Dichloromethane (Methylene chloride) | 0.02 |
| 1,2,4-Trimethylbenzene | 0.01 |
| Acetophenone | 0.01 |
| Zinc compounds | 0.01 |
| Phenol | 0.01 |
| Pyridine | 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 |
| Mercury compounds | 0.01 |
| Aluminum (fume or dust) | 0.01 |
| Acrylic acid | 0.01 |
| Styrene | 0.01 |
| Methyl methacrylate | 0.00 |
| n-Butyl alcohol (1-Butanol) | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Toluene | 0.00 |
| Silver | 0.00 |
| Vinyl acetate | 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 |
| Methanol | 0.00 |
| Ethyl acrylate | 0.00 |
| Mercury | 0.00 |
| Zinc (fume or dust) | 0.00 |
| Methyl isobutyl ketone | 0.00 |
| Cyclohexane | 0.00 |
| Cumene | 0.00 |
| Propylene oxide | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| Biphenyl | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| tert-Butyl alcohol (tert-Butanol) | 0.00 |
| Formic acid | 0.00 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| N-Methyl-2-pyrrolidone | 0.00 |
| MIXTURE | 0.00 |
| Nonylphenol Ethoxylates | 0.00 |
