40 CFR Appendix IX to Part 264 - Appendix IX to Part 264—Ground-Water Monitoring List
Ground-Water Monitoring List
Common name 1 | CAS RN 2 | Chemical abstracts service index name 3 |
---|---|---|
Acenaphthene | 83–32–9 | Acenaphthylene, 1,2-dihydro- |
Acenaphthylene | 208–96–8 | Acenaphthylene |
Acetone | 67–64–1 | 2-Propanone |
Acetophenone | 98–86–2 | Ethanone, 1-phenyl- |
Acetonitrile; Methyl cyanide | 75–05–8 | Acetonitrile |
2-Acetylaminofluorene; 2-AAF | 53–96–3 | Acetamide, N–9H-fluoren-2-yl- |
Acrolein | 107–02–8 | 2-Propenal |
Acrylonitrile | 107–13–1 | 2-Propenenitrile |
Aldrin | 309–00–2 | 1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-(1α,4α,4aβ,5α,8α,8aβ)- |
Allyl chloride | 107–05–1 | 1-Propene, 3-chloro- |
4-Aminobiphenyl | 92–67–1 | [1,1′-Biphenyl]-4-amine |
Aniline | 62–53–3 | Benzenamine |
Anthracene | 120–12–7 | Anthracene |
Antimony | (Total) | Antimony |
Aramite | 140–57–8 | Sulfurous acid, 2-chloroethyl 2-[4-(1,1-dimethylethyl) phenoxy]-1-methylethyl ester |
Arsenic | (Total) | Arsenic |
Barium | (Total) | Barium |
Benzene | 71–43–2 | Benzene |
Benzo[a]anthracene; Benzanthracene | 56–55–3 | Benz[a]anthracene |
Benzo[b]fluoranthene | 205–99–2 | Benz[e]acephenanthrylene |
Benzo[k]fluoranthene | 207–08–9 | Benzo[k]fluoranthene |
Benzo[ghi]perylene | 191–24–2 | Benzo[ghi]perylene |
Benzo[a]pyrene | 50–32–8 | Benzo[a]pyrene |
Benzyl alcohol | 100–51–6 | Benzenemethanol |
Beryllium | (Total) | Beryllium |
alpha-BHC | 319–84–6 | Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2α,3β,4β,5β,6β)- |
beta-BHC | 319–85–7 | Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2β,3α,4β,5α,6β)- |
delta-BHC | 319–86–8 | Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2α,3α,4β,5α,6β)- |
gamma-BHC; Lindane | 58–89–9 | Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2α,3β,4α,5α,6β)- |
Bis(2-chloroethoxy)methane | 111–91–1 | Ethane, 1,1′-[methylenebis(oxy)]bis [2-chloro- |
Bis(2-chloroethyl)ether | 111–44–4 | Ethane, 1,1′-oxybis[2-chloro- |
Bis(2-chloro-1-methylethyl) ether; 2,2′-Dichlorodiisopropyl ether | 108–60–1 | Propane, 2,2′-oxybis[1-chloro- |
Bis(2-ethylhexyl) phthalate | 117–81–7 | 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl)ester |
Bromodichloromethane | 75–27–4 | Methane, bromodichloro- |
Bromoform; Tribromomethane | 75–25–2 | Methane, tribromo- |
4-Bromophenyl phenyl ether | 101–55–3 | Benzene, 1-bromo-4-phenoxy- |
Butyl benzyl phthalate; Benzyl butyl phthalate | 85–68–7 | 1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester |
Cadmium | (Total) | Cadmium |
Carbon disulfide | 75–15–0 | Carbon disulfide |
Carbon tetrachloride | 56–23–5 | Methane, tetrachloro- |
Chlordane | 57–74–9 | 4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a -hexahydro- |
p-Chloroaniline | 106–47–8 | Benzenamine, 4-chloro- |
Chlorobenzene | 108–90–7 | Benzene, chloro- |
Chlorobenzilate | 510–15–6 | Benzeneacetic acid, 4-chloro-α-(4-chlorophenyl)-α-hydroxy-, ethyl ester |
p-Chloro-m-cresol | 59–50–7 | Phenol, 4-chloro-3-methyl- |
Chloroethane; Ethyl chloride | 75–00–3 | Ethane, chloro- |
Chloroform | 67–66–3 | Methane, trichloro- |
2-Chloronaphthalene | 91–58–7 | Naphthalene, 2-chloro- |
2-Chlorophenol | 95–57–8 | Phenol, 2-chloro- |
4-Chlorophenyl phenyl ether | 7005–72–3 | Benzene, 1-chloro-4-phenoxy- |
Chloroprene | 126–99–8 | 1,3-Butadiene,2-chloro- |
Chromium | (Total) | Chromium |
Chrysene | 218–01–9 | Chrysene |
Cobalt | (Total) | Cobalt |
Copper | (Total) | Copper |
m-Cresol | 108–39–4 | Phenol, 3-methyl- |
o-Cresol | 95–48–7 | Phenol, 2-methyl- |
p-Cresol | 106–44–5 | Phenol, 4-methyl- |
Cyanide | 57–12–5 | Cyanide |
2,4-D; 2,4-Dichlorophenoxyacetic acid | 94–75–7 | Acetic acid, (2,4-dichlorophenoxy)- |
4,4′-DDD | 72–54–8 | Benzene 1,1′-(2,2-dichloroethylidene) bis[4-chloro- |
4,4′-DDE | 72–55–9 | Benzene, 1,1′-(dichloroethenylidene) bis[4-chloro- |
4,4′-DDT | 50–29–3 | Benzene, 1,1′-(2,2,2-trichloroethylidene) bis[4-chloro- |
Diallate | 2303–16–4 | Carbamothioic acid, bis(1-methylethyl)- , S- (2,3-dichloro-2-propenyl) ester |
Dibenz[a,h]anthracene | 53–70–3 | Dibenz[a,h]anthracene |
Dibenzofuran | 132–64–9 | Dibenzofuran |
Dibromochloromethane; Chlorodibromomethane | 124–48–1 | Methane, dibromochloro- |
1,2-Dibromo-3-chloropropane; DBCP | 96–12–8 | Propane, 1,2-dibromo-3-chloro- |
1,2-Dibromoethane; Ethylene dibromide | 106–93–4 | Ethane, 1,2-dibromo- |
Di-n-butyl phthalate | 84–74–2 | 1,2-Benzenedicarboxylic acid, dibutyl ester |
o-Dichlorobenzene | 95–50–1 | Benzene, 1,2-dichloro- |
m-Dichlorobenzene | 541–73–1 | Benzene, 1,3-dichloro- |
p-Dichlorobenzene | 106–46–7 | Benzene, 1,4-dichloro- |
3,3′-Dichlorobenzidine | 91–94–1 | [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dichloro- |
trans-1,4-Dichloro-2-butene | 110–57–6 | 2-Butene, 1,4-dichloro-, (E)- |
Dichlorodifluoromethane | 75–71–8 | Methane, dichlorodifluoro- |
1,1-Dichloroethane | 75–34–3 | Ethane, 1,1-dichloro- |
1,2-Dichloroethane; Ethylene dichloride | 107–06–2 | Ethane, 1,2-dichloro- |
1,1-Dichloroethylene; Vinylidene chloride | 75–35–4 | Ethene, 1,1-dichloro- |
trans-1,2-Dichloroethylene | 156–60–5 | Ethene, 1,2-dichloro-, (E)- |
2,4-Dichlorophenol | 120–83–2 | Phenol, 2,4-dichloro- |
2,6-Dichlorophenol | 87–65–0 | Phenol, 2,6-dichloro- |
1,2-Dichloropropane | 78–87–5 | Propane, 1,2-dichloro- |
cis-1,3-Dichloropropene | 10061–01–5 | 1-Propene, 1,3-dichloro-, (Z)- |
trans-1,3-Dichloropropene | 10061–02–6 | 1-Propene, 1,3-dichloro-, (E)- |
Dieldrin | 60–57–1 | 2,7:3,6-Dimethanonaphth [2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aα,2β,2aα,3β,6β;,6aα,7β,7aα)- |
Diethyl phthalate | 84–66–2 | 1,2-Benzenedicarboxylic acid, diethyl ester |
O,O-Diethyl O-2-pyrazinyl phosphorothioate; Thionazin | 297–97–2 | Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester |
Dimethoate | 60–51–5 | Phosphorodithioic acid, O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester |
p-(Dimethylamino)azobenzene | 60–11–7 | Benzenamine, N,N-dimethyl-4-(phenylazo)- |
7,12-Dimethylbenz[a]anthracene | 57–97–6 | Benz[a]anthracene, 7,12-dimethyl- |
3,3′-Dimethylbenzidine | 119–93–7 | [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethyl- |
alpha, alpha-Dimethylphenethylamine | 122–09–8 | Benzeneethanamine, α,α-dimethyl- |
2,4-Dimethylphenol | 105–67–9 | Phenol, 2,4-dimethyl- |
Dimethyl phthalate | 131–11–3 | 1,2-Benzenedicarboxylic acid, dimethyl ester |
m-Dinitrobenzene | 99–65–0 | Benzene, 1,3-dinitro- |
4,6-Dinitro-o-cresol | 534–52–1 | Phenol, 2-methyl-4,6-dinitro- |
2,4-Dinitrophenol | 51–28–5 | Phenol, 2,4-dinitro- |
2,4-Dinitrotoluene | 121–14–2 | Benzene, 1-methyl-2,4-dinitro- |
2,6-Dinitrotoluene | 606–20–2 | Benzene, 2-methyl-1,3-dinitro- |
Dinoseb; DNBP; 2-sec-Butyl-4,6-dinitrophenol | 88–85–7 | Phenol, 2-(1-methylpropyl)-4,6-dinitro- |
Di-n-octyl phthalate | 117–84–0 | 1,2-Benzenedicarboxylic acid, dioctyl ester |
1,4-Dioxane | 123–91–1 | 1,4-Dioxane |
Diphenylamine | 122–39–4 | Benzenamine, N-phenyl- |
Disulfoton | 298–04–4 | Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl]ester |
Endosulfan I | 959–98–8 | 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide,(3α,5aβ,6α,9α,9aβ)- |
Endosulfan II | 33213–65–9 | 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide, (3α,5aα,6β,9β,9aα)- |
Endosulfan sulfate | 1031–07–8 | 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3,3-dioxide |
Endrin | 72–20–8 | 2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-,1a,2,2a,3,6,6a,7,7a-octahydro-, (1aα,2β,2aβ,3α,6α,6aβ,7β, 7aα)- |
Endrin aldehyde | 7421–93–4 | 1,2,4- Methenocyclopenta[cd] pentalene-5-carboxaldehyde, 2,2a,3,3,4,7-hexachlorodecahydro-,(1α,2β,2aβ,4β,4aβ,5β,6aβ,6bβ,7R*)- |
Ethylbenzene | 100–41–4 | Benzene, ethyl- |
Ethyl methacrylate | 97–63–2 | 2-Propenoic acid, 2-methyl-, ethyl ester |
Ethyl methanesulfonate | 62–50–0 | Methanesulfonic acid, ethyl ester |
Famphur | 52–85–7 | Phosphorothioic acid, O-[4-[(dimethylamino)sulfonyl]phenyl]-O,O-dimethyl ester |
Fluoranthene | 206–44–0 | Fluoranthene |
Fluorene | 86–73–7 | 9H-Fluorene |
Heptachlor | 76–44–8 | 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- |
Heptachlor epoxide | 1024–57–3 | 2,5-Methano-2H-indeno[1,2-b] oxirene, 2,3,4,5,6,7,7-heptachloro-1a,1b,5,5a,6,6a,-hexahydro-, (1aα,1bβ,2α,5α,5aβ,6β,6aα) |
Hexachlorobenzene | 118–74–1 | Benzene, hexachloro- |
Hexachlorobutadiene | 87–68–3 | 1,3-Butadiene, 1,1,2,3,4,4-hexachloro- |
Hexachlorocyclopentadiene | 77–47–4 | 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- |
Hexachloroethane | 67–72–1 | Ethane, hexachloro- |
Hexachlorophene | 70–30–4 | Phenol, 2,2′-methylenebis[3,4,6-trichloro- |
Hexachloropropene | 1888–71–7 | 1-Propene, 1,1,2,3,3,3-hexachloro- |
2-Hexanone | 591–78–6 | 2-Hexanone |
Indeno(1,2,3-cd)pyrene | 193–39–5 | Indeno[1,2,3-cd]pyrene |
Isobutyl alcohol | 78–83–1 | 1-Propanol, 2-methyl- |
Isodrin | 465–73–6 | 1,4,5,8-Dimethanonaphthalene,1,2,3,4,1 0,10-hexachloro-1,4,4a,5,8,8a hexahydro-(1α, 4α, 4aβ, 5β, 8β, 8aβ)- |
Isophorone | 78–59–1 | 2-Cyclohexen-1-one, 3,5,5-trimethyl- |
Isosafrole | 120–58–1 | 1,3-Benzodioxole, 5-(1-propenyl)- |
Kepone | 143–50–0 | 1,3,4-Metheno-2H-cyclobuta-[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- |
Lead | (Total) | Lead |
Mercury | (Total) | Mercury |
Methacrylonitrile | 126–98–7 | 2-Propenenitrile, 2-methyl- |
Methapyrilene | 91–80–5 | 1,2,Ethanediamine,N,N-dimethyl-N′-2-pyridinyl-N′-(2-thienylmethyl)- |
Methoxychlor | 72–43–5 | Benzene, 1,1′-(2,2,2,trichloroethylidene)bis [4-methoxy- |
Methyl bromide; Bromomethane | 74–83–9 | Methane, bromo- |
Methyl chloride; Chloromethane | 74–87–3 | Methane, chloro- |
3-Methylcholanthrene | 56–49–5 | Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- |
Methylene bromide; Dibromomethane | 74–95–3 | Methane, dibromo- |
Methylene chloride; Dichloromethane | 75–09–2 | Methane, dichloro- |
Methyl ethyl ketone; MEK; | 78–93–3 | 2-Butanone |
Methyl iodide; Iodomethane | 74–88–4 | Methane, iodo- |
Methyl methacrylate | 80–62–6 | 2-Propenoic acid, 2-methyl-, methyl ester |
Methyl methanesulfonate | 66–27–3 | Methanesulfonic acid, methyl ester |
2-Methylnaphthalene | 91–57–6 | Naphthalene, 2-methyl- |
Methyl parathion; Parathion methyl | 298–00–0 | Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester |
4-Methyl-2-pentanone; Methyl isobutyl ketone | 108–10–1 | 2-Pentanone, 4-methyl- |
Naphthalene | 91–20–3 | Naphthalene |
1,4-Naphthoquinone | 130–15–4 | 1,4-Naphthalenedione |
1-Naphthylamine | 134–32–7 | 1-Naphthalenamine |
2-Naphthylamine | 91–59–8 | 2-Naphthalenamine |
Nickel | (Total) | Nickel |
o-Nitroaniline | 88–74–4 | Benzenamine, 2-nitro- |
m-Nitroaniline | 99–09–2 | Benzenamine, 3-nitro- |
p-Nitroaniline | 100–01–6 | Benzenamine, 4-nitro- |
Nitrobenzene | 98–95–3 | Benzene, nitro- |
o-Nitrophenol | 88–75–5 | Phenol, 2-nitro- |
p-Nitrophenol | 100–02–7 | Phenol, 4-nitro- |
4-Nitroquinoline 1-oxide | 56–57–5 | Quinoline, 4-nitro, 1-oxide |
N-Nitrosodi-n-butylamine | 924–16–3 | 1-Butanamine, N-butyl-N-nitroso- |
N-Nitrosodiethylamine | 55–18–5 | Ethanamine, N-ethyl-N-nitroso- |
N-Nitrosodimethylamine | 62–75–9 | Methanamine, N-methyl-N-nitroso- |
N-Nitrosodiphenylamine | 86–30–6 | Benzenamine, N-nitroso-N-phenyl- |
N-Nitrosodipropylamine;Di-n-propylnitrosamine | 621–64–7 | 1-Propanamine, N-nitroso-N-propyl- |
N-Nitrosomethylethalamine | 10595–95–6 | Ethanamine, N-methyl-N-nitroso- |
N-Nitrosomorpholine | 59–89–2 | Morpholine, 4-nitroso- |
N-Nitrosopiperidine | 100–75–4 | Piperidine, 1-nitroso- |
N-Nitrosopyrrolidine | 930–55–2 | Pyrrolidine, 1-nitroso- |
5-Nitro-o-toluidine | 99–55–8 | Benzenamine, 2-methyl-5-nitro- |
Parathion | 56–38–2 | Phosphorothioic acid, O,O-diethyl-O-(4-nitrophenyl) ester |
Polychlorinated biphenyls; PCBs | See footnote 4 | 1,1′-Biphenyl, chloro derivatives |
Polychlorinated dibenzo-p-dioxins; PCDDs | See footnote 5 | Dibenzo[b,e][1,4]dioxin, chloro derivatives |
Polychlorinated dibenzofurans; PCDFs | See footnote 6 | Dibenzofuran, chloro derivatives |
Pentachlorobenzene | 608–93–5 | Benzene, pentachloro- |
Pentachloroethane | 76–01–7 | Ethane, pentachloro- |
Pentachloronitrobenzene | 82–68–8 | Benzene, pentachloronitro- |
Pentachlorophenol | 87–86–5 | Phenol, pentachloro- |
Phenacetin | 62–44–2 | Acetamide, N-(4-ethoxyphenyl) |
Phenanthrene | 85–01–8 | Phenanthrene |
Phenol | 108–95–2 | Phenol |
p-Phenylenediamine | 106–50–3 | 1,4-Benzenediamine |
Phorate | 298–02–2 | Phosphorodithioic acid, O,O-diethyl S- [(ethylthio)methyl] ester |
2-Picoline | 109–06–8 | Pyridine, 2-methyl- |
Pronamide | 23950–58–5 | Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2-propynyl)- |
Propionitrile; Ethyl cyanide | 107–12–0 | Propanenitrile |
Pyrene | 129–00–0 | Pyrene |
Pyridine | 110–86–1 | Pyridine |
Safrole | 94–59–7 | 1,3-Benzodioxole, 5-(2-propenyl)- |
Selenium | (Total) | Selenium |
Silver | (Total) | Silver |
Silvex; 2,4,5-TP | 93–72–1 | Propanoic acid, 2-(2,4,5- trichlorophenoxy)- |
Styrene | 100–42–5 | Benzene, ethenyl- |
Sulfide | 18496–25–8 | Sulfide |
2,4,5-T; 2,4,5-Trichlorophenoxyacetic acid | 93–76–5 | Acetic acid, (2,4,5-trichlorophenoxy)- |
2,3,7,8-TCDD; 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1746–01–6 | Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro- |
1,2,4,5-Tetrachlorobenzene | 95–94–3 | Benzene, 1,2,4,5-tetrachloro- |
1,1,1,2-Tetrachloroethane | 630–20–6 | Ethane, 1,1,1,2-tetrachloro- |
1,1,2,2-Tetrachloroethane | 79–34–5 | Ethane, 1,1,2,2-tetrachloro- |
Tetrachloroethylene; Perchloroethylene; Tetrachloroethene | 127–18–4 | Ethene, tetrachloro- |
2,3,4,6-Tetrachlorophenol | 58–90–2 | Phenol, 2,3,4,6-tetrachloro- |
Tetraethyl dithiopyrophosphate; Sulfotepp | 3689–24–5 | Thiodiphosphoric acid ([(HO)2 P(S)]2 O), tetraethyl ester |
Thallium | (Total) | Thallium |
Tin | (Total) | Tin |
Toluene | 108–88–3 | Benzene, methyl- |
o-Toluidine | 95–53–4 | Benzenamine, 2-methyl- |
Toxaphene | 8001–35–2 | Toxaphene |
1,2,4-Trichlorobenzene | 120–82–1 | Benzene, 1,2,4-trichloro- |
1,1,1-Trichloroethane; Methylchloroform | 71–55–6 | Ethane, 1,1,1-trichloro- |
1,1,2-Trichloroethane | 79–00–5 | Ethane, 1,1,2-trichloro- |
Trichloroethylene; Trichloroethene | 79–01–6 | Ethene, trichloro- |
Trichlorofluoromethane | 75–69–4 | Methane, trichlorofluoro- |
2,4,5-Trichlorophenol | 95–95–4 | Phenol, 2,4,5-trichloro- |
2,4,6-Trichlorophenol | 88–06–2 | Phenol, 2,4,6-trichloro- |
1,2,3-Trichloropropane | 96–18–4 | Propane, 1,2,3-trichloro- |
O,O,O-Triethyl phosphorothioate | 126–68–1 | Phosphorothioic acid, O,O,O-triethyl ester |
sym-Trinitrobenzene | 99–35–4 | Benzene, 1,3,5-trinitro- |
Vanadium | (Total) | Vanadium |
Vinyl acetate | 108–05–4 | Acetic acid, ethenyl ester |
Vinyl chloride | 75–01–4 | Ethene, chloro- |
Xylene (total) | 1330–20–7 | Benzene, dimethyl- |
Zinc | (Total) | Zinc |
1 Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals.
2 Chemical Abstracts Service registry number. Where “Total” is entered, all species in the ground water that contain this element are included.
3 CAS index names are those used in the 9th Cumulative Index.
4 Polychlorinated biphenyls (CAS RN 1336–36–3); this category contains congener chemicals, including constituents of Aroclor-1016 (CAS RN 12674–11–2), Aroclor-1221 (CAS RN 11104–28–2), Aroclor-1232 (CAS RN 11141–16–5), Aroclor-1242 (CAS RN 53469–21–9), Aroclor-1248 (CAS RN 12672–29–6), Aroclor-1254 (CAS RN 11097–69–1), and Aroclor-1260 (CAS RN 11096–82–5).
5 This category contains congener chemicals, including tetrachlorodibenzo-p-dioxins (see also 2,3,7,8-TCDD), pentachlorodibenzo-p-dioxins, and hexachlorodibenzo-p-dioxins.
6 This category contains congener chemicals, including tetrachlorodibenzofurans, pentachlorodibenzofurans, and hexachlorodibenzofurans.