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National
United States Regulations
40 CFR PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES



Title 40: Protection of Environment



PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES




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Authority: Secs. 311(b)(2)(A) and 501(a), Federal Water Pollution Control Act (33 U.S.C. 1251 et seq.).

§ 116.1 Applicability.
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This regulation designates hazardous substances under section 311(b)(2)(A) of the Federal Water Pollution Control Act (the Act). The regulation applies to discharges of substances designated in Table 116.4.

[43 FR 10474, Mar. 13, 1978]

§ 116.2 Abbreviations.
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ppm=parts per million

mg=milligram(s)

kg=kilogram(s)

mg/l=milligrams(s) per liter= (approx.) ppm

mg/kg=milligram(s) per kilogram= (approx.) ppm


[43 FR 10474, Mar. 13, 1978]

§ 116.3 Definitions.
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As used in this part, all terms shall have the meaning defined in the Act and as given below:

The Act means the Federal Water Pollution Control Act, as amended by the Federal Water Pollution Control Act Amendments of 1972 (Pub. L. 92–500), and as further amended by the Clean Water Act of 1977 (Pub. L. 95–217), 33 U.S.C. 1251 et seq.; and as further amended by the Clean Water Act Amendments of 1978 (Pub. L. 95–676);

Animals means appropriately sensitive animals which carry out respiration by means of a lung structure permitting gaseous exchange between air and the circulatory system;

Aquatic animals means appropriately sensitive wholly aquatic animals which carry out respiration by means of a gill structure permitting gaseous exchange between the water and the circulatory system;

Aquatic flora means plant life associated with the aquatic eco-system including, but not limited to, algae and higher plants;

Contiguous zone means the entire zone established or to be established by the United States under article 24 of the Convention of the Territorial Sea and the Contiguous Zone;

Discharge includes, but is not limited to, any spilling, leaking, pumping, pouring, emitting, emptying or dumping, but excludes (A) discharges in compliance with a permit under section 402 of this Act, (B) discharges resulting from circumstances identified and reviewed and made a part of the public record with respect to a permit issued or modified under section 402 of this Act, and subject to a condition in such permit, and (C) continuous or anticipated intermittent discharges from a point source, identified in a permit or permit application under section 402 of this Act, which are caused by events occurring within the scope of relevant operating or treatment systems;

LC50 means that concentration of material which is lethal to one-half of the test population of aquatic animals upon continuous exposure for 96 hours or less.

Mixture means any combination of two or more elements and/or compounds in solid, liquid, or gaseous form except where such substances have undergone a chemical reaction so as to become inseparable by physical means.

Navigable waters is defined in section 502(7) of the Act to mean “waters of the United States, including the territorial seas,” and includes, but is not limited to:

(1) All waters which are presently used, or were used in the past, or may be susceptible to use as a means to transport interstate or foreign commerce, including all waters which are subject to the ebb and flow of the tide, and including adjacent wetlands; the term wetlands as used in this regulation shall include those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevelance of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs and similar areas; the term adjacent means bordering, contiguous or neighboring;

(2) Tributaries of navigable waters of the United States, including adjacent wetlands;

(3) Interstate waters, including wetlands; and

(4) All other waters of the United States such as intrastate lakes, rivers, streams, mudflats, sandflats and wetlands, the use, degradation or destruction of which affect interstate commerce including, but not limited to:

(i) Intrastate lakes, rivers, streams, and wetlands which are utilized by interstate travelers for recreational or other purposes; and

(ii) Intrastate lakes, rivers, streams, and wetlands from which fish or shellfish are or could be taken and sold in interstate commerce; and

(iii) Intrastate lakes, rivers, streams, and wetlands which are utilized for industrial purposes by industries in interstate commerce.

Navigable waters do not include prior converted cropland. Notwithstanding the determination of an area's status as prior converted cropland by any other federal agency, for the purposes of the Clean Water Act, the final authority regarding Clean Water Act jurisdiction remains with EPA.

Offshore facility means any facility of any kind located in, on, or under, any of the navigable waters of the United States, and any facility of any kind which is subject to the jurisdiction of the United States and is located in, on, or under any other waters, other than a vessel or a public vessel;

Onshore facility means any facility (including, but not limited to, motor vehicles and rolling stock) of any kind located in, on, or under, any land within the United States other than submerged land;

Otherwise subject to the jurisdiction of the United States means subject to the jurisdiction of the United States by virtue of United States citizenship, United States vessel documentation or numbering, or as provided for by international agreement to which the United States is a party.

A discharge in connection with activities under the Outer Continental Shelf Lands Act or the Deepwater Port Act of 1974, or which may affect natural resources belonging to, appertaining to, or under the exclusive management authority of the United States (including resources under the Fishery Conservation and Management Act of 1976), means: (1) A discharge into any waters beyond the contiguous zone from any vessel or onshore or offshore facility, which vessel or facility is subject to or is engaged in activities under the Outer Continental Shelf Lands Act or the Deepwater Port Act of 1974, and (2) any discharge into any waters beyond the contiguous zone which contain, cover, or support any natural resource belonging to, appertaining to, or under the exclusive management authority of the United States (including resources under the Fishery Conservation and Management Act of 1976).

Public vessel means a vessel owned or bareboat-chartered and operated by the United States, or a State or political subdivision thereof, or by a foreign nation, except when such vessel is engaged in commerce.

Territorial seas means the belt of the seas measured from the line of ordinary low water along that portion of the coast which is in direct contact with the open sea and the line marking the seaward limit of inland waters, and extending seaward a distance of 3 miles.

Vessel means every description of watercraft or other artificial contrivance used, or capable of being used, as a means of transportation on water other than a public vessel;

[43 FR 10474, Mar. 13, 1978; 43 FR 27533, June 26, 1978, as amended at 44 FR 10266, Feb. 16, 1979; 58 FR 45039, Aug. 25, 1993]

§ 116.4 Designation of hazardous substances.
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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.


Table 116.4A_List of Hazardous Substances
----------------------------------------------------------------------------------------------------------------
Common name CAS No. Synonyms Isomers CAS No.
----------------------------------------------------------------------------------------------------------------
Acetaldehyde....................... 75070 Ethanal, ethyl aldehyde,
acetic aldehyde.
Acetic acid........................ 64197 Glacial acetic acid,
vinegar acid.
Acetic anhydride................... 108247 Acetic oxide, acetyl oxide.
Acetone cyanohydrin................ 75865 2-methyllactonitrile, alpha-
hydroxyisobutyronitrile.
Acetyl bromide..................... 506967
Acetyl chloride.................... 79367
Acrolein........................... 107028 2-propenal, acrylic
aldehyde, acrylaldehyde,
acraldehyde.
Acrylonitrile...................... 107131 Cyanoethylene, Fumigrain,
Ventox, propeneitrile,
vinyl cyanide.
Adipic acid........................ 124049 Hexanedioic acid...........
Aldrin............................. 309002 Octalene, HHDN.............
Allyl alcohol...................... 107186 2-propen-1-ol, 1-propenol-
3, vinyl carbinol.
Allyl chloride..................... 107051 3-chloropropene, 3-
chloropropylene,
Chlorallylene.
Aluminum sulfate................... 10043013 Alum.......................
Ammonia............................ 7664417
Ammonium acetate................... 631618 Acetic acid ammonium, salt.
Ammonium benzoate.................. 1863634
Ammonium bicarbonate............... 1066337 Acid ammonium carbonate,
ammonium hydrogen
carbonate.
Ammonium bichromate................ 7789095
Ammonium bifluoride................ 1341497 Acid ammonium fluoride,
ammonium hydrogen fluoride.
Ammonium bisulfite................. 10192300
Ammonium carbamate................. 1111780 Ammonium aminoformate......
Ammonium carbonate................. 506876
Ammonium chloride.................. 12125029 Ammonium muriate, sal
ammoniac, salmiac, Amchlor.
Ammonium chromate.................. 7788989
Ammonium citrate dibasic........... 3012655 Diammonium citrate, citric
acid diammonium salt.
Ammonium fluoborate................ 13826830 Ammonium fluoroborate,
ammonium borofluoride.
Ammonium fluoride.................. 12125018 Neutral ammonium fluoride..
Ammonium hydroxide................. 1336216
Ammonium oxalate................... 6009707
5972736
14258492
Ammonium silicofluoride............ 16919190 Ammonium fluosilicate......
Ammonium sulfamate................. 7773060 Ammate, AMS, ammonium
amidosulfate.
Ammonium sulfide................... 12135761
Ammonium sulfite................... 10196040
10192300
Ammonium tartrate.................. 3164292 Tartaric acid ammonium salt
14307438
Ammonium thiocyanate............... 1762954 Ammonium rhodanide,
ammonium sulfocyanate,
ammonium sulfocyanide.
Amly acetate....................... 628637 Amylacetic ester........... iso-.................. 123922
Pear oil................... sec-.................. 626380
Banana oil................. tert-................. 625161
Aniline............................ 62533 Aniline oil, phenylamine,
aminobenzene, aminophen,
kyanol.
Antimony pentachloride............. 7647189
Antimony potassium tartrate........ 28300745 Tartar emetic, tartrated
antimony, tartarized
antimony, potassium
antimonyltartrate.
Antimony tribromide................ 7789619
Antimony trichloride............... 10025919 Butter of antimony.........
Antimony trifluoride............... 7783564 Antimony fluoride..........
Antimony trioxide.................. 1309644 Diantimony trioxide,
flowers of antimony.
Arsenic disulfide.................. 1303328 Red arsenic sulfide........
Arsenic pentoxide.................. 1303282 Arsenic acid anhydride,
arsenic oxide.
Arsenic trichloride................ 7784341 Arsenic chloride, arsenious
chloride, arsenous
chloride, butter of
arsenic.
Arsenic trioxide................... 1327533 Arsenious acid, arsenious
oxide, white arsenic.
Arsenic trisulfide................. 1303339 Arsenious sulfide, yellow
arsenic sulfide.
Barium cyanide..................... 542621
Benzene............................ 71432 Cyclohexatriene, benzol....
Benzoic acid....................... 65850 Benzenecarboxylic acid,
phenylformic acid,
dracylic acid.
Benzonitrile....................... 100470 Phenyl cyanide,
cyanobenzene.
Benzoyl chloride................... 98884 Benzenecarbonyl chloride...
Benzyl chloride.................... 100447
Beryllium chloride................. 7787475
Beryllium fluoride................. 7787497
Beryllium nitrate.................. 7787555
13597994
Butyl acetate...................... 123864 Acetic acid butyl ester.... iso-.................. 110190
sec-.................. 105464
tert-................. 540885
Butylamine......................... 109739 1-aminobutane.............. iso-.................. 78819
sec-.................. 513495
sec-.................. 13952846
tert-................. 75649
n/butyl phthalate.................. 84742 1.2-benzenedicarboxylic
acid, dibutyl ester,
dibutyl phthalate.
Butyric acid....................... 107926 Butanoic acid, ethylacetic iso-.................. 79312
acid.
Cadmium acetate.................... 543908
Cadmium bromide.................... 7789426
Cadmium chloride................... 10108642
Calcium arsenate................... 7778441 Tricalcium orthoarsenate...
Calcium arsenite................... 52740166
Calcium carbide.................... 75207 Carbide, acetylenogen......
Calcium chromate................... 13765190 Calcium chrome yellow,
geblin, yellow ultramarine.
Calcium cyanide.................... 592018
Calcium dodecylbenzenesulfonate.... 26264062
Calcium hypochlorite............... 7778543
Captan............................. 133062 Orthocide-406, SR-406,
Vancide-89.
Carbaryl........................... 63252 Sevin......................
Carbofuran......................... 1563662 Furadan....................
Carbon disulfide................... 75150 Carbon bisulfide,
dithiocarbonic anhydride.
Carbon tetrachloride............... 56235 Tetrachloromethane
Perchloromethane.
Chlordane.......................... 57749 Toxichlor, chlordan........
Chlorine........................... 75003
Chlorobenzene...................... 108907 Monochlorobenzene, benzene
chloride.
Chloroform......................... 67663 Trichloromethane...........
Chlorpyrifos....................... 2921882 Dursban....................
Chlorosulfonic acid................ 7790945 Sulfuric chlorohydrin......
Chromic acetate.................... 1066304
Chromic acid....................... 11115745 Chromic anhydride, chromium
trioxide.
Chromic sulfate.................... 10101538
Chromous chloride.................. 10049055
Cobaltous bromide.................. 7789437 Cobalt bromide.............
Coabaltous formate................. 544183 Cobalt formate.............
Cobaltous sulfamate................ 14017415 Cobalt sulfamate...........
Coumaphos.......................... 56724 Co-Ral.....................
Cresol............................. 1319773 Cresylic acid.............. m-.................... 108394
Hydroxytoluene............. o-.................... 95487
p-.................... 106445
Crotonaldehyde..................... 4170303 2-butenal propylene
aldelhyde.
Cupric acetate..................... 142712 Copper acetate, crystalized
verdigris.
Cupric acetoarsenite............... 12002038 Copper acetoarsenite,
copper acetate arsenite,
Paris green.
Cupric chloride.................... 7447394 Copper chloride............
Cupric nitrate..................... 3251238 Copper nitrate.............
Cupric oxalate..................... 5893663 Copper oxalate.............
Cupric sulfate..................... 7758987 Copper sulfate.............
Cupric sulfate, ammoniated......... 10380297 Ammoniated copper sulfate..
Cupric tartrate.................... 815827 Copper tartrate............
Cyanogen chloride.................. 506774
Cyclohexane........................ 110827 Hexahydrobenzene,
hexamethylene,
hexanaphthene.
2,4-D acid......................... 94757 2,4-dichlorophenoxyacetic
acid.
2,4-D ester........................ 94111 2,4-dichlorophenoxyacetic
acid ester.
94791
94804
1320189
1928387
1928616
1929733
2971382
25168267
53467111
DDT................................ 50293 p,p[prime]-DDT.............
Diazinon........................... 333415 Dipofene, Diazitol,
Basudin, Spectracide.
Dicamba............................ 1918009 2-methoxy-3,6-
dichlorobenzoic acid.
Dichlobenil........................ 1194656 2,6-dichlorobenzonitrile,
2,6-DBN.
Dichlone........................... 117806 Phygon,
dichloronaphthoquinone.
Dichlorobenzene.................... 25321226 Di-chloricide.............. Ortho................. 95501
Paramoth (Para)............ Para.................. 106467
Dichloropropane.................... 26638197 Propylene dichloride....... 1,1................... 78999
1,2................... 78875
1,3................... 142289
Dichloropropene.................... 26952238 ........................... 1,3................... 542756
2,3................... 78886
Dichloropropene-dichloropropane 8003198 D-D mixture Vidden D.......
(mixture).
2,2-Dichloropropionic acid......... 75990 Dalapon....................
Dichlorvos......................... 62737 2,2-dichlorovinyl dimethyl
phosphate, Vapona.
Dicofol............................ 115322 Di(p-chlorophenyl)-
trichloromethylcarbinol,
DTMC, dicofol.
Dieldrin........................... 60571 Alvit......................
Diethylamine....................... 109897
Dimethylamine...................... 124403
Dinitrobenzene (mixed)............. 25154545 Dinitrobenzol.............. m-.................... 99650
o-.................... 528290
p-.................... 100254
Dinitrophenol...................... 51285 Aldifen.................... (2,5-)................ 329715
(2,4-)................
(2,6-)................ 573568
Dinitrotoluene..................... 25321146 DNT........................ 2,4................... 121142
2,6................... 606202
3,4................... 610399
Diquat............................. 85007 Aquacide...................
2764729 Dextrone, Reglone, Diquat
dibromide.
Disulfoton......................... 298044 Di-syston..................
Diuron............................. 330541 DCMU, DMU..................
Dodecylbenzenesulfonic acid........ 27176870
Endosulfan......................... 115297 Thiodan....................
Endrin............................. 72208 Mendrin, Compound 269......
Epichlorohydrin.................... 106898 -chloropropylene oxide.....
Ethion............................. 563122 Nialate, ethyl methylene,
phosphorodithioate.
Ethylbenzene....................... 100414 Phenylethane...............
Ethylenediamine.................... 107153 1,2-diaminoethane..........
Ethylenediamine-tetraacetic acid 60004 Edetic acid, Havidote,
(EDTA). (ethylenedinitrilo)-
tetraacetic acid.
Ethylene dibromide................. 106934 1,2-dibromoethane acetylene
dibromide sym-
dibromoethylene.
Ethylene dichloride................ 107062 1,2-dichloroethane sym-
bichloroethane.
Ferric ammonium citrate............ 1185575 Ammonium ferric citrate....
Ferric ammonium oxalate............ 2944674 Ammonium ferric oxalate....
55488874
Ferric chloride.................... 7705080 Flores martis, iron
trichloride.
Ferric fluoride.................... 7783508
Ferric nitrate..................... 10421484 Iron nitrate...............
Ferric sulfate..................... 10028225 Ferric persulfate, ferric
sesquisulfate, ferric
tersulfate.
Ferrous ammonium sulfate........... 10045893 Mohr's salt, iron ammonium
sulfate.
Ferrous chloride................... 7758943 Iron chloride, iron
dichloride, iron
protochloride.
Ferrous sulfate.................... 7720787 Green vitriol..............
7782630 Iron vitriol, iron sulfate,
iron protosulfate.
Formaldehyde....................... 50000 Methyl aldehyde, methanal,
formalin.
Formic acid........................ 64186 Methanoic acid.............
Fumaric acid....................... 110178 Trans-butenedioic acid,
trans-1,2-
ethylenedicarboxylic acid,
boletic acid, allomaleic
acid.
Furfural........................... 98011 2-furaldehyde, pyromucic
aldehyde.
Guthion............................ 86500 Gusathion, azinphos-methyl.
Heptachlor......................... 76448 Velsicol-104, Drinox,
Heptagran.
Hexachlorocyclopentadiene.......... 77474 Perchlorocyclopentadiene...
Hydrochloric acid.................. 7647010 Hydrogen chloride, muriatic
acid.
Hydrofluoric acid.................. 7664393 Fluohydric acid............
Hydrogen cyanide................... 74908 Hydrocyanic acid...........
Hydrogen sulfide................... 7783064 Hydrosulfuric acid sulfur
hydride.
Isoprene........................... 78795 2-methyl-1,3-butadiene.....
Isopropanolamine 42504461
dodecylbenzenesulfonate.
Kepone............................. 143500 Chlordecone
1,1a,3,3a,4,5,5,5a,5b,6-
decachlorooctahydro-1,3,4-
metheno-2H-
cyclobuta(cd)pentalen-2-
one.
Lead acetate....................... 301042 Sugar of lead..............
Lead arsenate...................... 7784409
7645252
10102484
Lead chloride...................... 7758954
Lead fluoborate.................... 13814965 Lead fluoroborate..........
Lead fluoride...................... 7783462 Lead difluoride, plumbous
fluoride.
Lead iodide........................ 10101630
Lead nitrate....................... 10099748
Lead stearate...................... 7428480 Stearic acid lead salt.....
1072351
52652592
Lead sulfate....................... 7446142
Lead sulfide....................... 1314870 Galena.....................
Lead thiocyanate................... 592870 Lead sulfocyanate..........
Lindane............................ 58899 Gamma-BHC, gamma-benzene
hexachloride.
Lithium chromate................... 14307358
Malathion.......................... 121755 Phospothion................
Maleic acid........................ 110167 Cis-butenedioic acid, cis-
1,2-ethylenedicarboxylic
acid, toxilic acid.
Maleic anhydride................... 108316 2,5-furandione, cis-
butenedioic anhydride,
toxilic anhydride.
Mercaptodimethur................... 203657 Mesurol....................
Mercuric cyanide................... 592041 Mercury cyanide............
Mercuric nitrate................... 10045940 Mercury nitrate, mercury
pernitrate.
Mercuric sulfate................... 7783359 Mercury sulfate, mercury
persulfate.
Mercuric thiocyanate............... 592858 Mercury thiocyanate,
mercuric sulfocyanate,
mercuric sulfocyanide.
Mercurous nitrate.................. 7782867
10415755 Mercury protonitrate.......
Methoxychlor....................... 72435 DMDT, methoxy-DDT..........
Methyl mercaptan................... 74931 Methanethiol,
mercaptomethane, methyl
sulfhydrate, thiomethyl
alcohol.
Methyl methacrylate................ 80626 Methacrylic acid methyl
ester, methyl-2-methyl-2-
propenoate.
Methyl parathion................... 298000 Nitrox-80..................
Mevinphos.......................... 7786347 Phosdrin...................
Mexacarbate........................ 315184 Zectran....................
Monoethylamine..................... 75047 Ethylamine, aminoethane....
Monomethylamine.................... 74895 Methylamine, aminomethane..
Naled.............................. 300765 Dibrom.....................
Naphthalene........................ 91203 White tar, tar camphor,
naphthalin.
Naphthenic acid.................... 1338245 Cyclohexanecarboxylic acid,
hexahydrobenzoic acid.
Nickel ammonium sulfate............ 15699180 Ammonium nickel sulfate....
Nickel chloride.................... 37211055 Nickelous chloride.........
7718549
Nickel hydroxide................... 12054487 Nickelous hydroxide........
Nickel nitrate..................... 14216752
Nickel sulfate..................... 7786814 Nickelous sulfate..........
Nitric acid........................ 7697372 Aqua fortis................
Nitrobenzene....................... 98953 Nitrobenzol, oil of mirbane
Nitrogen dioxide................... 10102440 Nitrogen tetraoxide........
Nitrophenol (mixed)................ 25154556 Mononitrophenol............ m-.................... 554847
o-.................... 88755
p-.................... 100027
Nitrotoluene....................... 1321126 ........................... Ortho................. 88722
Meta.................. 99081
Para.................. 99990
Paraformaldehyde................... 30525894 Paraform, Formagene,
Triformol, polymerized
formaldehyde,
polyoxymethylene.
Parathion.......................... 56382 DNTP, Niran................
Pentachlorophenol.................. 87865 PCP, Penta.................
Phenol............................. 108952 Carbolic acid, phenyl
hydroxide, hydroxybenzene,
oxybenzene.
Phosgene........................... 75445 Diphosgene, carbonyl
chloride, chloroformyl
chloride.
Phosphoric acid.................... 7664382 Orthophosphoric acid.......
Phosphorus......................... 7723140 Black phosphorus, red
phosphorus, white
phosphorus, yellow
phosphorus.
Phosphorus oxychloride............. 10025873 Phosphoryl chloride,
phosphorus chloride.
Phosphorus pentasulfide............ 1314803 Phosphoric sulfide,
thiophosphoric anhydride,
phosphorus persulfide.
Phosphorus trichloride............. 7719122 Phosphorous chloride.......
Polychorinated biphenyls........... 1336363 PCB, Aroclor,
polychlorinated diphenyls.
Potassium arsenate................. 7784410
Potassium arsenite................. 10124502 Potassium metaarsenite.....
Potassium bichromate............... 7778509 Potassium dichromate.......
Potassium chromate................. 7789006
Potassium cyanide.................. 151508
Potassium hydroxide................ 1310583 Potassium hydrate, caustic
potash, potassa.
Potassium permanganate............. 7722647 Chameleon mineral..........
Propargite......................... 2312358 Omite......................
Propionic acid..................... 79094 Propanoic acid,
methylacetic acid,
ethylformic acid.
Propionic anhydride................ 123626 Propanoic anhydride,
methylacetic anhydride.
Propylene oxide.................... 75569 Propene oxide..............
Pyrethrins......................... 121299 Pyrethrin I................
121211 Pyrethrin II...............
Quinoline.......................... 91225 1-benzazine,
benzo(b)pyridine,
leuocoline, chinoleine,
leucol.
Resorcinol......................... 108463 Resorcin, 1,3-benzenediol,
meta-dihydroxybenzene.
Selenium oxide..................... 7446084 Selenium dioxide...........
Silver nitrate..................... 7761888 Nitric acid silver (1+)
salt lunar caustic.
Sodium............................. 7440235 Natrium....................
Sodium arsenate.................... 7631892 Disodium arsenate..........
Sodium arsenite.................... 7784465 Sodium metaarsenite........
Sodium bichromate.................. 10588019 Sodium dichromate..........
Sodium bifluoride.................. 1333831
Sodium bisulfite................... 7631905 Sodium acid sulfite, sodium
hydrogen sulfite.
Sodium chromate.................... 7775113
Sodium cyanide..................... 143339
Sodium dodecylbenzene-sulfonate.... 25155300
Sodium fluoride.................... 7681494 Villiaumite................
Sodium hydrosulfide................ 16721805 Sodium hydrogen sulfide....
Sodium hydroxide................... 1310732 Caustic soda, soda lye,
sodium hydrate.
Sodium hypochlorite................ 7681529 Bleach.....................
10022705
Sodium methylate................... 124414 Sodium methoxide...........
Sodium nitrite..................... 7632000
Sodium phosphate, dibasic.......... 7558794
10039324
10140655
Sodium phosphate, tribasic......... 7785844
7601549
10101890
10361894
7758294
10124568
Sodium selenite.................... 10102188
7782823
Strontium chromate................. 7789062
Strychnine......................... 57249
Styrene............................ 100425 Vinylbenzene,
phenylethylene, styrol,
styrolene, cinnamene,
cinnamol.
Sulfuric acid...................... 7664939 Oil of vitriol, oleum......
Sulfur monochloride................ 12771083 Sulfur chloride............
2,4,5-T acid....................... 93765 2,4,5-
trichlorophenoxyacetic
acid.
2,4,5-T amines..................... 6369966 Acetic acid (2,4,5-
trichlorophenoxy)-compound
with N,N-
dimethylmethanamine (1:1).
6369977 Acetic acid (2,4,5-
trichlorophenoxy)-compound
with N-methylmethanamine
(1:1).
1319728 Acetic acid (2,4,5-
trichlorophenoxy)-compound
with 1-amino-2-propanol
(1:1).
3813147 Acetic acid (2,4,5-
trichlorophenoxy)-compound
with 2,2'2''-nitrilotris
[ethanol] (1:1).
2,4,5-T esters..................... 2545597 2,4,5-
trichlorophenoxyacetic
esters.
93798
61792072
1928478
25168154
2,4,5-T salts...................... 13560991 Acetic acid (2,4,5-
trichlorophenoxy)-sodium
salt.
TDE................................ 72548 DDD........................
2,4,5-TP acid...................... 93721 Propanoic acid 2-(2,4,5-
trichlorophenoxy).
2,4,5-TP esters.................... 32534955 Propanoic acid, 2-(2,4,5-
trichlorophenoxy)-,
isooctyl ester.
Tetraethyl lead.................... 78002 Lead tetraethyl, TEL.......
Tetraethyl pyrophosphate........... 107493 TEPP.......................
Thallium sulfate................... 10031591
7446186
Toluene............................ 108883 Toluol, methylbenzene,
phenylmethane, Methacide.
Toxaphene.......................... 8001352 Camphechlor................
Trichlorfon........................ 52686 Dipterex...................
Dylox......................
Trichlorethylene................... 79016 Ethylene trichloride.......
Trichlorophenol.................... 25167822 Collunosol, Dowicide 2 or (2,3,4-).............. 15950660
2S, Omal, Phenachlor. (2,3,5-).............. 933788
(2,3,6-).............. 933755
(2,4,5-).............. 95954
(2,4,6-).............. 88062
(3,4,5-).............. 609198
Triethanolamine 27323417
dodecylbenzenesulfonate.
Triethylamine...................... 121448
Trimethylamine..................... 75503 TMA........................
Uranyl acetate..................... 541093
Uranyl nitrate..................... 10102064
36478769
Vanadium pentoxide................. 1314621 Vanadic anhydride, vanadic
acid anhydride.
Vanadyl sulfate.................... 27774136 Vanadic sulfate, vanadium
sulfate.
Vinyl acetate...................... 108054 Acetic acid ethylene ether.
Vinylidene chloride................ 75354 1,1-dichlorethylene........
1,1-dichloroethene.........
Xylene (mixed)..................... 1330207 Dimethylbenzene............ m-.................... 108383
Xylol...................... o-.................... 95476
p-.................... 106423
Xylenol............................ 1300716 Dimethylphenol,
hydroxydimethylbenzene.
Zinc acetate....................... 557346
Zinc ammonium chloride............. 14639975
14639986
52628258
Zinc borate........................ 1332076
Zinc bromide....................... 7699458
Zinc carbonate..................... 3486359
Zinc chloride...................... 7646857 Butter of zinc.............
Zinc cyanide....................... 557211
Zinc fluoride...................... 7783495
Zinc formate....................... 557415
Zinc hydrosulfite.................. 7779864
Zinc nitrate....................... 7779886
Zinc phenolsulfonate............... 127822 Zinc sulfocarbolate........
Zinc phosphide..................... 1314847
Zinc silicofluoride................ 16871719 Zinc fluosilicate..........
Zinc sulfate....................... 7733020 White vitriol, zinc
vitriol, white copperas.
Zirconium nitrate.................. 13746899
Zirconium potassium fluoride....... 16923958
Zirconium sulfate.................. 14644612 Disulfatozirconic acid.....
Zirconium tetrachloride............ 10026116 ........................... ...................... ..........
----------------------------------------------------------------------------------------------------------------




Table 116.4B_List of Hazardous Substances by CAS Number
------------------------------------------------------------------------
CAS No. Common name
------------------------------------------------------------------------
50000............................... Formaldehyde
50293............................... DDT
51285............................... 2,4-Dinitrophenol
52686............................... Trichlorfon
56382............................... Parathion
56724............................... Coumaphos
57249............................... Strychnine
57749............................... Chlordane
58899............................... Lindane
60004............................... Ethylenediaminetetraacetic
acid (EDTA)
60571............................... Dieldrin
62533............................... Aniline
62737............................... Dichlorvos
63252............................... Carbaryl
64186............................... Formic acid
64197............................... Acetic acid
65850............................... Benzoic acid
67663............................... Chloroform
71432............................... Benzene
72208............................... Endrin
72435............................... Methoxychlor
72548............................... TDE
74895............................... Monomethylamine
74908............................... Hydrogen cyanide
74931............................... Methyl mercaptan
75047............................... Monoethylamine
75070............................... Acetaldehyde
75150............................... Carbon disulfide
75207............................... Calcium carbide
75445............................... Phosgene
75503............................... Trimethylamine
75649............................... tert-Butylamine
75865............................... Acetone cyanohydrin
75990............................... 2,2-Dichloropropionic acid
76448............................... Heptachlor
78002............................... Tetraethyl lead
78795............................... Isoprene
78819............................... iso-Butylamine
79094............................... Propionic acid
79312............................... iso-Butyric acid
79367............................... Acetyl chloride
80626............................... Methyl methacrylate
85007............................... Diquat
86500............................... Guthion
87865............................... Pentachlorophenol
88755............................... o-Nitrophenol
91203............................... Naphthalene
91225............................... Quinoline
93765............................... 2,4,5-T acid
93798............................... 2,4,5-T ester
94111............................... 2,4-D ester
94757............................... 2,4-D acid
94791............................... 2,4-D ester
94804............................... 2,4-D Butyl ester
95476............................... o-Xylene
95487............................... o-Cresol
98011............................... Furfural
98884............................... Benzoyl chloride
98953............................... Nitrobenzene
99650............................... m-Dinitrobenzene
100027.............................. p-Nitrophenol
100254.............................. p-Dinitrobenzene
100414.............................. Ethylbenzene
100425.............................. Styrene
100447.............................. Benzyl chloride
100470.............................. Benzonitrile
105464.............................. sec-Butyl acetate
106423.............................. p-Xylene
106445.............................. p-Cresol
107028.............................. Acrolein
107051.............................. Allyl chloride
107131.............................. Acrylonitrile
107153.............................. Ethylenediamine
107186.............................. Allyl alcohol
107493.............................. Tetraethyl pyrophosphate
107926.............................. n-Butyric acid
108054.............................. Vinyl acetate
108247.............................. Acetic anhydride (continued)