Each substance in Table 117.3 that is listed in Table 302.4, 40 CFR part 302, is assigned the reportable quantity listed in Table 302.4 for that substance.
Table 117.3-Reportable Quantities of Hazardous Substances Designated Pursuant to Section 311 of the Clean Water Act
Note: The first number under the column headed "RQ" is the reportable quantity in pounds. The number in parentheses is the metric equivalent in kilograms. For convenience, the table contains a column headed "Category" which lists the code letters "X", "A", "B", "C", and "D" associated with reportable quantities of 1, 10, 100, 1000, and 5000 pounds, respectively.
Table 117.3-Reportable Quantities of Hazardous Substances Designated Pursuant to Section 311 of the Clean Water Act
Material | Category | RQ in pounds (kilograms) |
Acetaldehyde | C | 1,000 (454) |
Acetic acid | D | 5,000 (2,270) |
Acetic anhydride | D | 5,000 (2,270) |
Acetone cyanohydrin | A | 10 (4.54) |
Acetyl bromide | D | 5,000 (2,270) |
Acetyl chloride | D | 5,000 (2,270) |
Acrolein | X | 1 (0.454) |
Acrylonitrile | B | 100 (45.4) |
Adipic acid | D | 5,000 (2,270) |
Aldrin | X | 1 (0.454) |
Allyl alcohol | B | 100 (45.4) |
Allyl chloride | C | 1,000 (454) |
Aluminum sulfate | D | 5,000 (2,270) |
Ammonia | B | 100 (45.4) |
Ammonium acetate | D | 5,000 (2,270) |
Ammonium benzoate | D | 5,000 (2,270) |
Ammonium bicarbonate | D | 5,000 (2,270) |
Ammonium bichromate | A | 10 (4.54) |
Ammonium bifluoride | B | 100 (45.4) |
Ammonium bisulfite | D | 5,000 (2,270) |
Ammonium carbamate | D | 5,000 (2,270) |
Ammonium carbonate | D | 5,000 (2,270) |
Ammonium chloride | D | 5,000 (2,270) |
Ammonium chromate | A | 10 (4.54) |
Ammonium citrate dibasic | D | 5,000 (2,270) |
Ammonium fluoborate | D | 5,000 (2,270) |
Ammonium fluoride | B | 100 (45.4) |
Ammonium hydroxide | C | 1,000 (454) |
Ammonium oxalate | D | 5,000 (2,270) |
Ammonium silicofluoride | C | 1,000 (454) |
Ammonium sulfamate | D | 5,000 (2,270) |
Ammonium sulfide | B | 100 (45.4) |
Ammonium sulfite | D | 5,000 (2,270) |
Ammonium tartrate | D | 5,000 (2,270) |
Ammonium thiocyanate | D | 5,000 (2,270) |
Amyl acetate | D | 5,000 (2,270) |
Aniline | D | 5,000 (2,270) |
Antimony pentachloride | C | 1,000 (454) |
Antimony potassium tartrate | B | 100 (45.4) |
Antimony tribromide | C | 1,000 (454) |
Antimony trichloride | C | 1,000 (454) |
Antimony trifluoride | C | 1,000 (454) |
Antimony trioxide | C | 1,000 (454) |
Arsenic disulfide | X | 1 (0.454) |
Arsenic pentoxide | X | 1 (0.454) |
Arsenic trichloride | X | 1 (0.454) |
Arsenic trioxide | X | 1 (0.454) |
Arsenic trisulfide | X | 1 (0.454) |
Barium cyanide | A | 10 (4.54) |
Benzene | A | 10 (4.54) |
Benzoic acid | D | 5,000 (2,270) |
Benzonitrile | D | 5,000 (2,270) |
Benzoyl chloride | C | 1,000 (454) |
Benzyl chloride | B | 100 (45.4) |
Beryllium chloride | X | 1 (0.454) |
Beryllium fluoride | X | 1 (0.454) |
Beryllium nitrate | X | 1 (0.454) |
Butyl acetate | D | 5,000 (2,270) |
Butylamine | C | 1,000 (454) |
n-Butyl phthalate | A | 10 (4.54) |
Butyric acid | D | 5,000 (2,270) |
Cadmium acetate | A | 10 (4.54) |
Cadmium bromide | A | 10 (4.54) |
Cadmium chloride | A | 10 (4.54) |
Calcium arsenate | X | 1 (0.454) |
Calcium arsenite | X | 1 (0.454) |
Calcium carbide | A | 10 (4.54) |
Calcium chromate | A | 10 (4.54) |
Calcium cyanide | A | 10 (4.54) |
Calcium dodecylbenzenesulfonate | C | 1,000 (454) |
Calcium hypochlorite | A | 10 (4.54) |
Captan | A | 10 (4.54) |
Carbaryl | B | 100 (45.4) |
Carbofuran | A | 10 (4.54) |
Carbon disulfide | B | 100 (45.4) |
Carbon tetrachloride | A | 10 (4.54) |
Chlordane | X | 1 (0.454) |
Chlorine | A | 10 (4.54) |
Chlorobenzene | B | 100 (45.4) |
Chloroform | A | 10 (4.54) |
Chlorosulfonic acid | C | 1,000 (454) |
Chlorpyrifos | X | 1 (0.454) |
Chromic acetate | C | 1,000 (454) |
Chromic acid | A | 10 (4.54) |
Chromic sulfate | C | 1,000 (454) |
Chromous chloride | C | 1,000 (454) |
Cobaltous bromide | C | 1,000 (454) |
Cobaltous formate | C | 1,000 (454) |
Cobaltous sulfamate | C | 1,000 (454) |
Coumaphos | A | 10 (4.54) |
Cresol | B | 100 (45.4) |
Crotonaldehyde | B | 100 (45.4) |
Cupric acetate | B | 100 (45.4) |
Cupric acetoarsenite | X | 1 (0.454) |
Cupric chloride | A | 10 (4.54) |
Cupric nitrate | B | 100 (45.4) |
Cupric oxalate | B | 100 (45.4) |
Cupric sulfate | A | 10 (4.54) |
Cupric sulfate, ammoniated | B | 100 (45.4) |
Cupric tartrate | B | 100 (45.4) |
Cyanogen chloride | A | 10 (4.54) |
Cyclohexane | C | 1,000 (454) |
2,4-D Acid | B | 100 (45.4) |
2,4-D Esters | B | 100 (45.4) |
DDT | X | 1 (0.454) |
Diazinon | X | 1 (0.454) |
Dicamba | C | 1,000 (454) |
Dichlobenil | B | 100 (45.4) |
Dichlone | X | 1 (0.454) |
Dichlorobenzene | B | 100 (45.4) |
Dichloropropane | C | 1,000 (454) |
Dichloropropene | B | 100 (45.4) |
Dichloropropene-Dichloropropane (mixture) | B | 100 (45.4) |
2,2-Dichloropropionic acid | D | 5,000 (2,270) |
Dichlorvos | A | 10 (4.54) |
Dicofol | A | 10 (4.54) |
Dieldrin | X | 1 (0.454) |
Diethylamine | B | 100 (45.4) |
Dimethylamine | C | 1,000 (454) |
Dinitrobenzene (mixed) | B | 100 (45.4) |
Dinitrophenol | A | 10 (45.4) |
Dinitrotoluene | A | 10 (4.54) |
Diquat | C | 1,000 (454) |
Disulfoton | X | 1 (0.454) |
Diuron | B | 100 (45.4) |
Dodecylbenzenesulfonic acid | C | 1,000 (454) |
Endosulfan | X | 1 (0.454) |
Endrin | X | 1 (0.454) |
Epichlorohydrin | B | 100 (45.4) |
Ethion | A | 10 (4.54) |
Ethylbenzene | C | 1,000 (454) |
Ethylenediamine | D | 5,000 (2,270) |
Ethylenediamine-tetraacetic acid (EDTA) | D | 5,000 (2,270) |
Ethylene dibromide | X | 1 (0.454) |
Ethylene dichloride | B | 100 (45.4) |
Ferric ammonium citrate | C | 1,000 (454) |
Ferric ammonium oxalate | C | 1,000 (454) |
Ferric chloride | C | 1,000 (454) |
Ferric fluoride | B | 100 (45.4) |
Ferric nitrate | C | 1,000 (454) |
Ferric sulfate | C | 1,000 (454) |
Ferrous ammonium sulfate | C | 1,000 (454) |
Ferrous chloride | B | 100 (45.4) |
Ferrous sulfate | C | 1,000 (454) |
Formaldehyde | B | 100 (45.4) |
Formic acid | D | 5,000 (2,270) |
Fumaric acid | D | 5,000 (2,270) |
Furfural | D | 5,000 (2,270) |
Guthion | X | 1 (0.454) |
Heptachlor | X | 1 (0.454) |
Hexachlorocyclopentadiene | A | 10 (4.54) |
Hydrochloric acid | D | 5,000 (2,270) |
Hydrofluoric acid | B | 100 (45.4) |
Hydrogen cyanide | A | 10 (4.54) |
Hydrogen sulfide | B | 100 (45.4) |
Isoprene | B | 100 (45.4) |
Isopropanolamine dodecylbenzenesulfonate | C | 1,000 (454) |
Kepone | X | 1 (0.454) |
Lead acetate | A | 10 (4.54) |
Lead arsenate | X | 1 (0.454) |
Lead chloride | A | 10 (4.54) |
Lead fluoborate | A | 10 (4.54) |
Lead fluoride | A | 10 (4.54) |
Lead iodide | A | 10 (4.54) |
Lead nitrate | A | 10 (4.54) |
Lead stearate | A | 10 (4.54) |
Lead sulfate | A | 10 (4.54) |
Lead sulfide | A | 10 (4.54) |
Lead thiocyanate | A | 10 (4.54) |
Lindane | X | 1 (0.454) |
Lithium chromate | A | 10 (4.54) |
Malathion | B | 100 (45.4) |
Maleic acid | D | 5,000 (2,270) |
Maleic anhydride | D | 5,000 (2,270) |
Mercaptodimethur | A | 10 (4.54) |
Mercuric cyanide | X | 1 (0.454) |
Mercuric nitrate | A | 10 (4.54) |
Mercuric sulfate | A | 10 (4.54) |
Mercuric thiocyanate | A | 10 (4.54) |
Mercurous nitrate | A | 10 (4.54) |
Methoxychlor | X | 1 (0.454) |
Methyl mercaptan | B | 100 (45.4) |
Methyl methacrylate | C | 1,000 (454) |
Methyl parathion | B | 100 (45.4) |
Mevinphos | A | 10 (4.54) |
Mexacarbate | C | 1,000 (454) |
Monoethylamine | B | 100 (45.4) |
Monomethylamine | B | 100 (45.4) |
Naled | A | 10 (4.54) |
Naphthalene | B | 100 (45.4) |
Naphthenic acid | B | 100 (45.4) |
Nickel ammonium sulfate | B | 100 (45.4) |
Nickel chloride | B | 100 (45.4) |
Nickel hydroxide | A | 10 (4.54) |
Nickel nitrate | B | 100 (45.4) |
Nickel sulfate | B | 100 (45.4) |
Nitric acid | C | 1,000 (454) |
Nitrobenzene | C | 1,000 (454) |
Nitrogen dioxide | A | 10 (4.54) |
Nitrophenol (mixed) | B | 100 (45.4) |
Nitrotoluene | C | 1,000 (454) |
Paraformaldehyde | C | 1,000 (454) |
Parathion | A | 10 (4.54) |
Pentachlorophenol | A | 10 (4.54) |
Phenol | C | 1,000 (454) |
Phosgene | A | 10 (4.54) |
Phosphoric acid | D | 5,000 (2,270) |
Phosphorus | X | 1 (0.454) |
Phosphorus oxychloride | C | 1,000 (454) |
Phosphorus pentasulfide | B | 100 (45.4) |
Phosphorus trichloride | C | 1,000 (454) |
Polychlorinated biphenyls | X | 1 (0.454) |
Potassium arsenate | X | 1 (0.454) |
Potassium arsenite | X | 1 (0.454) |
Potassium bichromate | A | 10 (4.54) |
Potassium chromate | A | 10 (4.54) |
Potassium cyanide | A | 10 (4.54) |
Potassium hydroxide | C | 1,000 (454) |
Potassium permanganate | B | 100 (45.4) |
Propargite | A | 10 (4.54) |
Propionic acid | D | 5,000 (2,270) |
Propionic anhydride | D | 5,000 (2,270) |
Propylene oxide | B | 100 (45.4) |
Pyrethrins | X | 1 (0.454) |
Quinoline | D | 5,000 (2,270) |
Resorcinol | D | 5,000 (2,270) |
Selenium oxide | A | 10 (4.54) |
Silver nitrate | X | 1 (0.454) |
Sodium | A | 10 (4.54) |
Sodium arsenate | X | 1 (0.454) |
Sodium arsenite | X | 1 (0.454) |
Sodium bichromate | A | 10 (4.54) |
Sodium bifluoride | B | 100 (45.4) |
Sodium bisulfite | D | 5,000 (2,270) |
Sodium chromate | A | 10 (4.54) |
Sodium cyanide | A | 10 (4.54) |
Sodium dodecylbenzenesulfonate | C | 1,000 (454) |
Sodium fluoride | C | 1,000 (454) |
Sodium hydrosulfide | D | 5,000 (2,270) |
Sodium hydroxide | C | 1,000 (454) |
Sodium hypochlorite | B | 100 (45.4) |
Sodium methylate | C | 1,000 (454) |
Sodium nitrite | B | 100 (45.4) |
Sodium phosphate, dibasic | D | 5,000 (2,270) |
Sodium phosphate, tribasic | D | 5,000 (2,270) |
Sodium selenite | B | 100 (45.4) |
Strontium chromate | A | 10 (4.54) |
Strychnine | A | 10 (4.54) |
Styrene | C | 1,000 (454) |
Sulfuric acid | C | 1,000 (454) |
Sulfur monochloride | C | 1,000 (454) |
2,4,5-T acid | C | 1,000 (454) |
2,4,5-T amines | D | 5,000 (2,270) |
2,4,5-T esters | C | 1,000 (454) |
2,4,5-T salts | C | 1,000 (454) |
TDE | X | 1 (0.454) |
2,4,5-TP acid | B | 100 (45.4) |
2,4,5-TP acid esters | B | 100 (45.4) |
Tetraethyl lead | A | 10 (4.54) |
Tetraethyl pyrophosphate | A | 10 (4.54) |
Thallium sulfate | B | 100 (45.4) |
Toluene | C | 1,000 (454) |
Toxaphene | X | 1 (0.454) |
Trichlorfon | B | 100 (45.4) |
Trichloroethylene | B | 100 (45.4) |
Trichlorophenol | A | 10 (4.54) |
Triethanolamine dodecylbenzenesulfonate | C | 1,000 (454) |
Triethylamine | D | 5,000 (2,270) |
Trimethylamine | B | 100 (45.4) |
Uranyl acetate | B | 100 (45.4) |
Uranyl nitrate | B | 100 (45.4) |
Vanadium pentoxide | C | 1,000 (454) |
Vanadyl sulfate | C | 1,000 (454) |
Vinyl acetate | D | 5,000 (2,270) |
Vinylidene chloride | B | 100 (45.4) |
Xylene (mixed) | B | 100 (45.4) |
Xylenol | C | 1,000 (454) |
Zinc acetate | C | 1,000 (454) |
Zinc ammonium chloride | C | 1,000 (454) |
Zinc borate | C | 1,000 (454) |
Zinc bromide | C | 1,000 (454) |
Zinc carbonate | C | 1,000 (454) |
Zinc chloride | C | 1,000 (454) |
Zinc cyanide | A | 10 (4.54) |
Zinc fluoride | C | 1,000 (454) |
Zinc formate | C | 1,000 (454) |
Zinc hydrosulfite | C | 1,000 (454) |
Zinc nitrate | C | 1,000 (454) |
Zinc phenolsulfonate | D | 5,000 (2,270) |
Zinc phosphide | B | 100 (45.4) |
Zinc silicofluoride | D | 5,000 (2,270) |
Zinc sulfate | C | 1,000 (454) |
Zirconium nitrate | D | 5,000 (2,270) |
Zirconium potassium fluoride | C | 1,000 (454) |
Zirconium sulfate | D | 5,000 (2,270) |
Zirconium tetrachloride | D | 5,000 (2,270) |
40 C.F.R. §117.3