| 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.) | 388.33 |
| Chromium | 191.40 |
| Ethylene oxide | 60.69 |
| Nickel | 8.11 |
| Maleic anhydride | 6.20 |
| Dicyclopentadiene | 4.50 |
| Trichloroethylene | 3.60 |
| Diisocyanates | 0.97 |
| Acrylonitrile | 0.62 |
| Antimony compounds | 0.56 |
| Peracetic acid | 0.48 |
| Polycyclic aromatic compounds | 0.06 |
| Hydrogen fluoride (Hydrofluoric acid) | 0.05 |
| Butyl acrylate | 0.05 |
| Lead | 0.04 |
| Lead compounds | 0.03 |
| Dichloromethane (Methylene chloride) | 0.03 |
| 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 |
| Phthalic anhydride | 0.02 |
| Nitric acid | 0.02 |
| Phenol | 0.02 |
| Formaldehyde | 0.02 |
| N,N-Dimethylformamide | 0.01 |
| Acetonitrile | 0.01 |
| Styrene | 0.01 |
| Pyridine | 0.01 |
| Zinc compounds | 0.00 |
| Ethylene glycol | 0.00 |
| Xylene (mixed isomers) | 0.00 |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| Aluminum (fume or dust) | 0.00 |
| Methyl tert-butyl ether | 0.00 |
| Acrylic acid | 0.00 |
| Vinyl acetate | 0.00 |
| Ethyl acrylate | 0.00 |
| Methyl methacrylate | 0.00 |
| o-Xylene | 0.00 |
| Toluene | 0.00 |
| Di(2-ethylhexyl) phthalate | 0.00 |
| Methanol | 0.00 |
| Certain glycol ethers | 0.00 |
| 1,2,4-Trimethylbenzene | 0.00 |
| Benzo[g,h,i]perylene | 0.00 |
| n-Hexane (Hexane) | 0.00 |
| Formic acid | 0.00 |
| Manganese | 0.00 |
| 3-Iodo-2-propynyl butylcarbamate | 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 |
| MIXTURE | 0.00 |
