{"data":{"id":"us/40-cfr-116.4","jurisdiction":"us","citation":"40 CFR 116.4","heading":"Designation of hazardous substances.","body":"The elements and compounds appearing in Tables 116.4 A and B are designated as hazardous substances in accordance with section 311(b)(2)(A) of the Act. This designation includes any isomers and hydrates, as well as any solutions and mixtures containing these substances. Synonyms and Chemical Abstract System (CAS) numbers have been added for convenience of the user only. In case of any disparity the common names shall be considered the designated substance.\nTable 116.4A—List of Hazardous Substances\nCommon name CAS No. Synonyms Isomers CAS No.\nAcetaldehyde 75070 Ethanal, ethyl aldehyde, acetic aldehyde\nAcetic acid 64197 Glacial acetic acid, vinegar acid\nAcetic anhydride 108247 Acetic oxide, acetyl oxide\nAcetone cyanohydrin 75865 2-methyllactonitrile, alpha-hydroxyisobutyronitrile\nAcetyl bromide 506967\nAcetyl chloride 79367\nAcrolein 107028 2-propenal, acrylic aldehyde, acrylaldehyde, acraldehyde\nAcrylonitrile 107131 Cyanoethylene, Fumigrain, Ventox, propeneitrile, vinyl cyanide\nAdipic acid 124049 Hexanedioic acid\nAldrin 309002 Octalene, HHDN\nAllyl alcohol 107186 2-propen-1-ol, 1-propenol-3, vinyl carbinol\nAllyl chloride 107051 3-chloropropene, 3-chloropropylene, Chlorallylene\nAluminum sulfate 10043013 Alum\nAmmonia 7664417\nAmmonium acetate 631618 Acetic acid ammonium, salt\nAmmonium benzoate 1863634\nAmmonium bicarbonate 1066337 Acid ammonium carbonate, ammonium hydrogen carbonate\nAmmonium bichromate 7789095\nAmmonium bifluoride 1341497 Acid ammonium fluoride, ammonium hydrogen fluoride\nAmmonium bisulfite 10192300\nAmmonium carbamate 1111780 Ammonium aminoformate\nAmmonium carbonate 506876\nAmmonium chloride 12125029 Ammonium muriate, sal ammoniac, salmiac, Amchlor\nAmmonium chromate 7788989\nAmmonium citrate dibasic 3012655 Diammonium citrate, citric acid diammonium salt\nAmmonium fluoborate 13826830 Ammonium fluoroborate, ammonium borofluoride\nAmmonium fluoride 12125018 Neutral ammonium fluoride\nAmmonium hydroxide 1336216\nAmmonium oxalate 6009707\n5972736\n14258492\nAmmonium silicofluoride 16919190 Ammonium fluosilicate\nAmmonium sulfamate 7773060 Ammate, AMS, ammonium amidosulfate\nAmmonium sulfide 12135761\nAmmonium sulfite 10196040\n10192300\nAmmonium tartrate 3164292 Tartaric acid ammonium salt\n14307438\nAmmonium thiocyanate 1762954 Ammonium rhodanide, ammonium sulfocyanate, ammonium sulfocyanide\nAmly acetate 628637 Amylacetic ester iso- 123922\nPear oil sec- 626380\nBanana oil tert- 625161\nAniline 62533 Aniline oil, phenylamine, aminobenzene, aminophen, kyanol\nAntimony pentachloride 7647189\nAntimony potassium tartrate 28300745 Tartar emetic, tartrated antimony, tartarized antimony, potassium antimonyltartrate\nAntimony tribromide 7789619\nAntimony trichloride 10025919 Butter of antimony\nAntimony trifluoride 7783564 Antimony fluoride\nAntimony trioxide 1309644 Diantimony trioxide, flowers of antimony\nArsenic disulfide 1303328 Red arsenic sulfide\nArsenic pentoxide 1303282 Arsenic acid anhydride, arsenic oxide\nArsenic trichloride 7784341 Arsenic chloride, arsenious chloride, arsenous chloride, butter of arsenic\nArsenic trioxide 1327533 Arsenious acid, arsenious oxide, white arsenic\nArsenic trisulfide 1303339 Arsenious sulfide, yellow arsenic sulfide\nBarium cyanide 542621\nBenzene 71432 Cyclohexatriene, benzol\nBenzoic acid 65850 Benzenecarboxylic acid, phenylformic acid, dracylic acid\nBenzonitrile 100470 Phenyl cyanide, cyanobenzene\nBenzoyl chloride 98884 Benzenecarbonyl chloride\nBenzyl chloride 100447\nBeryllium chloride 7787475\nBeryllium fluoride 7787497\nBeryllium nitrate 7787555\n13597994\nButyl acetate 123864 Acetic acid butyl ester iso- 110190\nsec- 105464\ntert- 540885\nButylamine 109739 1-aminobutane iso- 78819\nsec- 513495\nsec- 13952846\ntert- 75649\nn/butyl phthalate 84742 1.2-benzenedicarboxylic acid, dibutyl ester, dibutyl phthalate\nButyric acid 107926 Butanoic acid, ethylacetic acid iso- 79312\nCadmium acetate 543908\nCadmium bromide 7789426\nCadmium chloride 10108642\nCalcium arsenate 7778441 Tricalcium orthoarsenate\nCalcium arsenite 52740166\nCalcium carbide 75207 Carbide, acetylenogen\nCalcium chromate 13765190 Calcium chrome yellow, geblin, yellow ultramarine\nCalcium cyanide 592018\nCalcium dodecylbenzenesulfonate 26264062\nCalcium hypochlorite 7778543\nCaptan 133062 Orthocide-406, SR-406, Vancide-89\nCarbaryl 63252 Sevin\nCarbofuran 1563662 Furadan\nCarbon disulfide 75150 Carbon bisulfide, dithiocarbonic anhydride\nCarbon tetrachloride 56235 Tetrachloromethane Perchloromethane\nChlordane 57749 Toxichlor, chlordan\nChlorine 75003\nChlorobenzene 108907 Monochlorobenzene, benzene chloride\nChloroform 67663 Trichloromethane\nChlorpyrifos 2921882 Dursban\nChlorosulfonic acid 7790945 Sulfuric chlorohydrin\nChromic acetate 1066304\nChromic acid 11115745 Chromic anhydride, chromium trioxide\nChromic sulfate 10101538\nChromous chloride 10049055\nCobaltous bromide 7789437 Cobalt bromide\nCoabaltous formate 544183 Cobalt formate\nCobaltous sulfamate 14017415 Cobalt sulfamate\nCoumaphos 56724 Co-Ral\nCresol 1319773 Cresylic acid m- 108394\nHydroxytoluene o- 95487\np- 106445\nCrotonaldehyde 4170303 2-butenal propylene aldelhyde\nCupric acetate 142712 Copper acetate, crystalized verdigris\nCupric acetoarsenite 12002038 Copper acetoarsenite, copper acetate arsenite, Paris green\nCupric chloride 7447394 Copper chloride\nCupric nitrate 3251238 Copper nitrate\nCupric oxalate 5893663 Copper oxalate\nCupric sulfate 7758987 Copper sulfate\nCupric sulfate, ammoniated 10380297 Ammoniated copper sulfate\nCupric tartrate 815827 Copper tartrate\nCyanogen chloride 506774\nCyclohexane 110827 Hexahydrobenzene, hexamethylene, hexanaphthene\n2,4-D acid 94757 2,4-dichlorophenoxyacetic acid\n2,4-D ester 94111 2,4-dichlorophenoxyacetic acid ester\n94791\n94804\n1320189\n1928387\n1928616\n1929733\n2971382\n25168267\n53467111\nDDT 50293 p,p′-DDT\nDiazinon 333415 Dipofene, Diazitol, Basudin, Spectracide\nDicamba 1918009 2-methoxy-3,6-dichlorobenzoic acid\nDichlobenil 1194656 2,6-dichlorobenzonitrile, 2,6-DBN\nDichlone 117806 Phygon, dichloronaphthoquinone\nDichlorobenzene 25321226 Di-chloricide Ortho 95501\nParamoth (Para) Para 106467\nDichloropropane 26638197 Propylene dichloride 1,1 78999\n1,2 78875\n1,3 142289\nDichloropropene 26952238 1,3 542756\n2,3 78886\nDichloropropene-dichloropropane (mixture) 8003198 D-D mixture Vidden D\n2,2-Dichloropropionic acid 75990 Dalapon\nDichlorvos 62737 2,2-dichlorovinyl dimethyl phosphate, Vapona\nDicofol 115322 Di(p-chlorophenyl)-trichloromethylcarbinol, DTMC, dicofol\nDieldrin 60571 Alvit\nDiethylamine 109897\nDimethylamine 124403\nDinitrobenzene (mixed) 25154545 Dinitrobenzol m- 99650\no- 528290\np- 100254\nDinitrophenol 51285 Aldifen (2,5-) 329715\n(2,4-)\n(2,6-) 573568\nDinitrotoluene 25321146 DNT 2,4 121142\n2,6 606202\n3,4 610399\nDiquat 85007 Aquacide\n2764729 Dextrone, Reglone, Diquat dibromide\nDisulfoton 298044 Di-syston\nDiuron 330541 DCMU, DMU\nDodecylbenzenesulfonic acid 27176870\nEndosulfan 115297 Thiodan\nEndrin 72208 Mendrin, Compound 269\nEpichlorohydrin 106898 -chloropropylene oxide\nEthion 563122 Nialate, ethyl methylene, phosphorodithioate\nEthylbenzene 100414 Phenylethane\nEthylenediamine 107153 1,2-diaminoethane\nEthylenediamine-tetraacetic acid (EDTA) 60004 Edetic acid, Havidote, (ethylenedinitrilo)-tetraacetic acid\nEthylene dibromide 106934 1,2-dibromoethane acetylene dibromide sym-dibromoethylene\nEthylene dichloride 107062 1,2-dichloroethane sym-bichloroethane\nFerric ammonium citrate 1185575 Ammonium ferric citrate\nFerric ammonium oxalate 2944674 Ammonium ferric oxalate\n55488874\nFerric chloride 7705080 Flores martis, iron trichloride\nFerric fluoride 7783508\nFerric nitrate 10421484 Iron nitrate\nFerric sulfate 10028225 Ferric persulfate, ferric sesquisulfate, ferric tersulfate\nFerrous ammonium sulfate 10045893 Mohr's salt, iron ammonium sulfate\nFerrous chloride 7758943 Iron chloride, iron dichloride, iron protochloride\nFerrous sulfate 7720787 Green vitriol\n7782630 Iron vitriol, iron sulfate, iron protosulfate\nFormaldehyde 50000 Methyl aldehyde, methanal, formalin\nFormic acid 64186 Methanoic acid\nFumaric acid 110178 Trans-butenedioic acid, trans-1,2-ethylenedicarboxylic acid, boletic acid, allomaleic acid\nFurfural 98011 2-furaldehyde, pyromucic aldehyde\nGuthion 86500 Gusathion, azinphos-methyl\nHeptachlor 76448 Velsicol-104, Drinox, Heptagran\nHexachlorocyclopentadiene 77474 Perchlorocyclopentadiene\nHydrochloric acid 7647010 Hydrogen chloride, muriatic acid\nHydrofluoric acid 7664393 Fluohydric acid\nHydrogen cyanide 74908 Hydrocyanic acid\nHydrogen sulfide 7783064 Hydrosulfuric acid sulfur hydride\nIsoprene 78795 2-methyl-1,3-butadiene\nIsopropanolamine dodecylbenzenesulfonate 42504461\nKepone 143500 Chlordecone 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-1,3,4-metheno-2H-cyclobuta(cd)pentalen-2-one\nLead acetate 301042 Sugar of lead\nLead arsenate 7784409\n7645252\n10102484\nLead chloride 7758954\nLead fluoborate 13814965 Lead fluoroborate\nLead fluoride 7783462 Lead difluoride, plumbous fluoride\nLead iodide 10101630\nLead nitrate 10099748\nLead stearate 7428480 Stearic acid lead salt\n1072351\n52652592\nLead sulfate 7446142\nLead sulfide 1314870 Galena\nLead thiocyanate 592870 Lead sulfocyanate\nLindane 58899 Gamma-BHC, gamma-benzene hexachloride\nLithium chromate 14307358\nMalathion 121755 Phospothion\nMaleic acid 110167 Cis-butenedioic acid, cis-1,2-ethylenedicarboxylic acid, toxilic acid\nMaleic anhydride 108316 2,5-furandione, cis-butenedioic anhydride, toxilic anhydride\nMercaptodimethur 203657 Mesurol\nMercuric cyanide 592041 Mercury cyanide\nMercuric nitrate 10045940 Mercury nitrate, mercury pernitrate\nMercuric sulfate 7783359 Mercury sulfate, mercury persulfate\nMercuric thiocyanate 592858 Mercury thiocyanate, mercuric sulfocyanate, mercuric sulfocyanide\nMercurous nitrate 7782867\n10415755 Mercury protonitrate\nMethoxychlor 72435 DMDT, methoxy-DDT\nMethyl mercaptan 74931 Methanethiol, mercaptomethane, methyl sulfhydrate, thiomethyl alcohol\nMethyl methacrylate 80626 Methacrylic acid methyl ester, methyl-2-methyl-2-propenoate\nMethyl parathion 298000 Nitrox-80\nMevinphos 7786347 Phosdrin\nMexacarbate 315184 Zectran\nMonoethylamine 75047 Ethylamine, aminoethane\nMonomethylamine 74895 Methylamine, aminomethane\nNaled 300765 Dibrom\nNaphthalene 91203 White tar, tar camphor, naphthalin\nNaphthenic acid 1338245 Cyclohexanecarboxylic acid, hexahydrobenzoic acid\nNickel ammonium sulfate 15699180 Ammonium nickel sulfate\nNickel chloride 37211055 Nickelous chloride\n7718549\nNickel hydroxide 12054487 Nickelous hydroxide\nNickel nitrate 14216752\nNickel sulfate 7786814 Nickelous sulfate\nNitric acid 7697372 Aqua fortis\nNitrobenzene 98953 Nitrobenzol, oil of mirbane\nNitrogen dioxide 10102440 Nitrogen tetraoxide\nNitrophenol (mixed) 25154556 Mononitrophenol m- 554847\no- 88755\np- 100027\nNitrotoluene 1321126 Ortho 88722\nMeta 99081\nPara 99990\nParaformaldehyde 30525894 Paraform, Formagene, Triformol, polymerized formaldehyde, polyoxymethylene\nParathion 56382 DNTP, Niran\nPentachlorophenol 87865 PCP, Penta\nPhenol 108952 Carbolic acid, phenyl hydroxide, hydroxybenzene, oxybenzene\nPhosgene 75445 Diphosgene, carbonyl chloride, chloroformyl chloride\nPhosphoric acid 7664382 Orthophosphoric acid\nPhosphorus 7723140 Black phosphorus, red phosphorus, white phosphorus, yellow phosphorus\nPhosphorus oxychloride 10025873 Phosphoryl chloride, phosphorus chloride\nPhosphorus pentasulfide 1314803 Phosphoric sulfide, thiophosphoric anhydride, phosphorus persulfide\nPhosphorus trichloride 7719122 Phosphorous chloride\nPolychorinated biphenyls 1336363 PCB, Aroclor, polychlorinated diphenyls\nPotassium arsenate 7784410\nPotassium arsenite 10124502 Potassium metaarsenite\nPotassium bichromate 7778509 Potassium dichromate\nPotassium chromate 7789006\nPotassium cyanide 151508\nPotassium hydroxide 1310583 Potassium hydrate, caustic potash, potassa\nPotassium permanganate 7722647 Chameleon mineral\nPropargite 2312358 Omite\nPropionic acid 79094 Propanoic acid, methylacetic acid, ethylformic acid\nPropionic anhydride 123626 Propanoic anhydride, methylacetic anhydride\nPropylene oxide 75569 Propene oxide\nPyrethrins 121299 Pyrethrin I\n121211 Pyrethrin II\nQuinoline 91225 1-benzazine, benzo(b)pyridine, leuocoline, chinoleine, leucol\nResorcinol 108463 Resorcin, 1,3-benzenediol, meta-dihydroxybenzene\nSelenium oxide 7446084 Selenium dioxide\nSilver nitrate 7761888 Nitric acid silver (1 + ) salt lunar caustic\nSodium 7440235 Natrium\nSodium arsenate 7631892 Disodium arsenate\nSodium arsenite 7784465 Sodium metaarsenite\nSodium bichromate 10588019 Sodium dichromate\nSodium bifluoride 1333831\nSodium bisulfite 7631905 Sodium acid sulfite, sodium hydrogen sulfite\nSodium chromate 7775113\nSodium cyanide 143339\nSodium dodecylbenzene-sulfonate 25155300\nSodium fluoride 7681494 Villiaumite\nSodium hydrosulfide 16721805 Sodium hydrogen sulfide\nSodium hydroxide 1310732 Caustic soda, soda lye, sodium hydrate\nSodium hypochlorite 7681529 Bleach\n10022705\nSodium methylate 124414 Sodium methoxide\nSodium nitrite 7632000\nSodium phosphate, dibasic 7558794\n10039324\n10140655\nSodium phosphate, tribasic 7601549\n10101890\n10361894\nSodium selenite 10102188\n7782823\nStrontium chromate 7789062\nStrychnine 57249\nStyrene 100425 Vinylbenzene, phenylethylene, styrol, styrolene, cinnamene, cinnamol\nSulfuric acid 7664939 Oil of vitriol, oleum\nSulfur monochloride 12771083 Sulfur chloride\n2,4,5-T acid 93765 2,4,5-trichlorophenoxyacetic acid\n2,4,5-T amines 6369966 Acetic acid (2,4,5-trichlorophenoxy)-compound with N,N-dimethylmethanamine (1:1)\n6369977 Acetic acid (2,4,5-trichlorophenoxy)-compound with N-methylmethanamine (1:1)\n1319728 Acetic acid (2,4,5-trichlorophenoxy)-compound with 1-amino-2-propanol (1:1)\n3813147 Acetic acid (2,4,5-trichlorophenoxy)-compound with 2,2'2”-nitrilotris [ethanol] (1:1)\n2,4,5-T esters 2545597 2,4,5-trichlorophenoxyacetic esters\n93798\n61792072\n1928478\n25168154\n2,4,5-T salts 13560991 Acetic acid (2,4,5-trichlorophenoxy)-sodium salt\nTDE 72548 DDD\n2,4,5-TP acid 93721 Propanoic acid 2-(2,4,5-trichlorophenoxy)\n2,4,5-TP esters 32534955 Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, isooctyl ester\nTetraethyl lead 78002 Lead tetraethyl, TEL\nTetraethyl pyrophosphate 107493 TEPP\nThallium sulfate 10031591\n7446186\nToluene 108883 Toluol, methylbenzene, phenylmethane, Methacide\nToxaphene 8001352 Camphechlor\nTrichlorfon 52686 Dipterex Dylox\nTrichlorethylene 79016 Ethylene trichloride\nTrichlorophenol 25167822 Collunosol, Dowicide 2 or 2S, Omal, Phenachlor (2,3,4-) (2,3,5-) (2,3,6-) (2,4,5-) (2,4,6-) (3,4,5-) 15950660 933788 933755 95954 88062 609198\nTriethanolamine dodecylbenzenesulfonate 27323417\nTriethylamine 121448\nTrimethylamine 75503 TMA\nUranyl acetate 541093\nUranyl nitrate 10102064\n36478769\nVanadium pentoxide 1314621 Vanadic anhydride, vanadic acid anhydride\nVanadyl sulfate 27774136 Vanadic sulfate, vanadium sulfate\nVinyl acetate 108054 Acetic acid ethylene ether\nVinylidene chloride 75354 1,1-dichlorethylene\n1,1-dichloroethene\nXylene (mixed) 1330207 Dimethylbenzene m- 108383\nXylol o- 95476\np- 106423\nXylenol 1300716 Dimethylphenol, hydroxydimethylbenzene\nZinc acetate 557346\nZinc ammonium chloride 14639975\n14639986\n52628258\nZinc borate 1332076\nZinc bromide 7699458\nZinc carbonate 3486359\nZinc chloride 7646857 Butter of zinc\nZinc cyanide 557211\nZinc fluoride 7783495\nZinc formate 557415\nZinc hydrosulfite 7779864\nZinc nitrate 7779886\nZinc phenolsulfonate 127822 Zinc sulfocarbolate\nZinc phosphide 1314847\nZinc silicofluoride 16871719 Zinc fluosilicate\nZinc sulfate 7733020 White vitriol, zinc vitriol, white copperas\nZirconium nitrate 13746899\nZirconium potassium fluoride 16923958\nZirconium sulfate 14644612 Disulfatozirconic acid\nZirconium tetrachloride 10026116\nTable 116.4B—List of Hazardous Substances by CAS Number\nCAS No. Common name\n50000 Formaldehyde\n50293 DDT\n51285 2,4-Dinitrophenol\n52686 Trichlorfon\n56382 Parathion\n56724 Coumaphos\n57249 Strychnine\n57749 Chlordane\n58899 Lindane\n60004 Ethylenediaminetetraacetic\nacid (EDTA)\n60571 Dieldrin\n62533 Aniline\n62737 Dichlorvos\n63252 Carbaryl\n64186 Formic acid\n64197 Acetic acid\n65850 Benzoic acid\n67663 Chloroform\n71432 Benzene\n72208 Endrin\n72435 Methoxychlor\n72548 TDE\n74895 Monomethylamine\n74908 Hydrogen cyanide\n74931 Methyl mercaptan\n75047 Monoethylamine\n75070 Acetaldehyde\n75150 Carbon disulfide\n75207 Calcium carbide\n75445 Phosgene\n75503 Trimethylamine\n75649 tert-Butylamine\n75865 Acetone cyanohydrin\n75990 2,2-Dichloropropionic acid\n76448 Heptachlor\n78002 Tetraethyl lead\n78795 Isoprene\n78819 iso-Butylamine\n79094 Propionic acid\n79312 iso-Butyric acid\n79367 Acetyl chloride\n80626 Methyl methacrylate\n85007 Diquat\n86500 Guthion\n87865 Pentachlorophenol\n88755 o-Nitrophenol\n91203 Naphthalene\n91225 Quinoline\n93765 2,4,5-T acid\n93798 2,4,5-T ester\n94111 2,4-D ester\n94757 2,4-D acid\n94791 2,4-D ester\n94804 2,4-D Butyl ester\n95476 o-Xylene\n95487 o-Cresol\n98011 Furfural\n98884 Benzoyl chloride\n98953 Nitrobenzene\n99650 m-Dinitrobenzene\n100027 p-Nitrophenol\n100254 p-Dinitrobenzene\n100414 Ethylbenzene\n100425 Styrene\n100447 Benzyl chloride\n100470 Benzonitrile\n105464 sec-Butyl acetate\n106423 p-Xylene\n106445 p-Cresol\n107028 Acrolein\n107051 Allyl chloride\n107131 Acrylonitrile\n107153 Ethylenediamine\n107186 Allyl alcohol\n107493 Tetraethyl pyrophosphate\n107926 n-Butyric acid\n108054 Vinyl acetate\n108247 Acetic anhydride\n108316 Maleic anhydride\n108383 m-Xylene\n108394 m-Cresol\n108463 Resorcinol\n108883 Toluene\n108907 Chlorobenzene\n108952 Phenol\n109739 n-Butylamine\n109897 Diethylamine\n110167 Maleic acid\n110178 Fumaric acid\n110190 iso-Butyl acetate\n110827 Cyclohexane\n115297 Endosulfan\n115322 Dicofol\n117806 Dichlone\n121211 Pyrethrin\n121299 Pyrethrin\n121448 Triethylamine\n121755 Malathion\n123626 Propionic anhydride\n123864 n-Butyl acetate\n123922 iso-Amyl acetate\n124403 Dimethylamine\n124414 Sodium methylate\n127822 Zinc phenolsulfonate\n133062 Captan\n142712 Cupric acetate\n143339 Sodium cyanide\n151508 Potassium cyanide\n298000 Methyl parathion\n298044 Disulfoton\n300765 Naled\n301042 Lead acetate\n309002 Aldrin\n315184 Mexacarbate\n329715 2,5-Dinitrophenol\n330541 Diuron\n333415 Diazinon\n506774 Cyanogen chloride\n506876 Ammonium carbonate\n506967 Acetyl bromide\n513495 sec-Butylamine\n528290 o-Dinitrobenzene\n540885 tert-Butyl acetate\n541093 Uranyl acetate\n542621 Barium cyanide\n543908 Cadmium acetate\n544183 Cobaltous formate\n554847 m-Nitrophenol\n557211 Zinc cyanide\n557346 Zinc acetate\n557415 Zinc formate\n563122 Ethion\n573568 2,6-Dinitrophenol\n592018 Calcium cyanide\n592041 Mercuric cyanide\n592858 Mercuric thiocyanate\n592870 Lead thiocyanate\n625161 tert-Amyl acetate\n626380 sec-Amyl acetate\n628637 n-Amyl acetate\n631618 Ammonium acetate\n815827 Cupric tartrate\n1066304 Chromic acetate\n1066337 Ammonium bicarbonate\n1072351 Lead stearate\n1111780 Ammonium carbamate\n1185575 Ferric ammonium citrate\n1194656 Dichlobenil\n1300716 Xylenol\n1303282 Arsenic pentoxide\n1303328 Arsenic disulfide\n1303339 Arsenic trisulfide\n1309644 Antimony trioxide\n1310583 Potassium hydroxide\n1310732 Sodium hydroxide\n1314621 Vanadium pentoxide\n1314803 Phosphorus pentasulfide\n1314847 Zinc phosphide\n1314870 Lead sulfide\n1319773 Cresol (mixed)\n1320189 2,4-D ester\n1327533 Arsenic trioxide\n1330207 Xylene\n1332076 Zinc borate\n1333831 Sodium bifluoride\n1336216 Ammonium hydroxide\n1336363 Polychlorinated biphenyls\n1338245 Naphthenic acid\n1341497 Ammonium bifluoride\n1762954 Ammonium thiocyanate\n1863634 Ammonium benzoate\n1918009 Dicamba\n1928387 2,4-D esters\n1928478 2,4,5-T ester\n1928616 2,4-D ester\n1929733 2,4-D ester\n2545597 2,4,5-T ester\n2764729 Diquat\n2921882 Chlorpyrifos\n2944674 Ferric ammonium oxalate\n2971382 2,4-D ester\n3012655 Ammonium citrate, dibasic\n3164292 Ammonium tartrate\n3251238 Cupric nitrate\n3486359 Zinc carbonate\n5893663 Cupric oxalate\n5972736 Ammonium oxalate\n6009707 Ammonium oxalate\n6369966 2,4,5-T ester\n7428480 Lead stearate\n7440235 Sodium\n7446084 Selenium oxide\n7446142 Lead sulfate\n7447394 Cupric chloride\n7558794 Sodium phosphate, dibasic\n7601549 Sodium phosphate, tribasic\n7631892 Sodium arsenate\n7631905 Sodium bisulfite\n7632000 Sodium nitrite\n7645252 Lead arsenate\n7646857 Zinc chloride\n7647010 Hydrochloric acid\n7647189 Antimony pentachloride\n7664382 Phosphoric acid\n7664393 Hydrofluoric acid\n7664417 Ammonia\n7664939 Sulfuric acid\n7681494 Sodium fluoride\n7681529 Sodium hypochlorite\n7697372 Nitric acid\n7699458 Zinc bromide\n7705080 Ferric chloride\n7718549 Nickel chloride\n7719122 Phosphorus trichloride\n7720787 Ferrous sulfate\n7722647 Potassium permanganate\n7723140 Phosphorus\n7733020 Zinc sulfate\n7758943 Ferrous chloride\n7758954 Lead chloride\n7758987 Cupric sulfate\n7773060 Ammonium sulfamate\n7775113 Sodium chromate\n7778441 Calcium arsenate\n7778509 Potassium bichromate\n7778543 Calcium hypochlorite\n7779864 Zinc hydrosulfite\n7779886 Zinc nitrate\n7782505 Chlorine\n7782630 Ferrous sulfate\n7782823 Sodium selenite\n7782867 Mercurous nitrate\n7783359 Mercuric sulfate\n7783462 Lead fluoride\n7783495 Zinc fluoride\n7783508 Ferric fluoride\n7783564 Antimony trifluoride\n7784341 Arsenic trichloride\n7784409 Lead arsenate\n7784410 Potassium arsenate\n7784465 Sodium arsenite\n7786347 Mevinphos\n7786814 Nickel sulfate\n7787475 Beryllium chloride\n7787497 Beryllium fluoride\n7787555 Beryllium nitrate\n7788989 Ammonium chromate\n7789006 Potassium chromate\n7789062 Strontium chromate\n7789095 Ammonium bichromate\n7789426 Cadmium bromide\n7789437 Cobaltous bromide\n7789619 Antimony tribromide\n7790945 Chlorosulfonic acid\n8001352 Toxaphene\n10022705 Sodium hypochlorite\n10025873 Phosphorus oxychloride\n10025919 Antimony trichloride\n10026116 Zirconium tetrachloride\n10028225 Ferric sulfate\n10028247 Sodium phosphate, dibasic\n10039324 Sodium phosphate, dibasic\n10043013 Aluminum sulfate\n10045893 Ferrous ammonium sulfate\n10045940 Mercuric nitrate\n10049055 Chromous chloride\n10099748 Lead nitrate\n10101538 Chromic sulfate\n10101630 Lead iodide\n10101890 Sodium phosphate, tribasic\n10102064 Uranyl nitrate\n10102188 Sodium selenite\n10102440 Nitrogen dioxide\n10102484 Lead arsenate\n10108642 Cadmium chloride\n10124502 Potassium arsenite\n10140655 Sodium phosphate, dibasic\n10192300 Ammonium bisulfite\n10196040 Ammonium sulfite\n10361894 Sodium phosphate, tribasic\n10380297 Cupric sulfate, ammoniated\n10415755 Mercurous nitrate\n10421484 Ferric nitrate\n10588019 Sodium bichromate\n11115745 Chromic acid\n12002038 Cupric acetoarsenite\n12054487 Nickel hydroxide\n12125018 Ammonium fluoride\n12125029 Ammonium chloride\n12135761 Ammonium sulfide\n12771083 Sulfur chloride\n13597994 Beryllium nitrate\n13746899 Zirconium nitrate\n13765190 Calcium chromate\n13814965 Lead fluoborate\n13826830 Ammonium fluoborate\n13952846 sec-Butylamine\n14017415 Cobaltous sulfamate\n14216752 Nickel nitrate\n14258492 Ammonium oxalate\n14307358 Lithium chromate\n14307438 Ammonium tartrate\n14639975 Zinc ammonium chloride\n14639986 Zinc ammonium chloride\n14644612 Zirconium sulfate\n15699180 Nickel ammonium sulfate\n16721805 Sodium hydrosulfide\n16871719 Zinc silicofluoride\n16919190 Ammonium silicofluoride\n16923958 Zirconium potassium fluoride\n25154545 Dinitrobenzene\n25154556 Nitrophenol\n25155300 Sodium dodecylbenzenesulfonate\n25167822 Trichlorophenol\n25168154 2,4,5-T ester\n25168267 2,4-D ester\n26264062 Calcium dodecylbenzenesulfonate\n27176870 Dodecylbenzenesulfonic acid\n27323417 Triethanolamine dodecylbenzenesulfonate\n27774136 Vanadyl sulfate\n28300745 Antimony potassium tartrate\n30525894 Paraformaldehyde\n36478769 Uranyl nitrate\n37211055 Nickel chloride\n42504461 Dodecylbenzenesulfonate isopropanolamine\n52628258 Zinc ammonium chloride\n52740166 Calcium arsenite\n53467111 2,4-D ester\n55488874 Ferric ammonium oxalate\n61792072 2,4,5-T ester","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"67f90db650fd64a80458cec7a3bbdb9eb9d51e325dfa572cbae403d7b49823a9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-116.3","next":"us/40-cfr-117.1"},"notice":"GroundRules: Original legal text. Not legal advice."}