La. Admin. Code tit. 33 § V-3325
Table 4 lists groundwater monitoring constituents.
Table 4. Groundwater Monitoring List
Common Name1 | CAS RN2 | Chemical Abstracts Service Index Name3 |
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-Acetylamino-fluorene; 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-Dimethano-naph-thalene, 1,2,3,4,10,10- hexachloro-1,4,4a,5,8, 8a,-hexa-hydro (1α,4α, 4a b ,5 b ,8α,8a b) |
Allyl chloride | 107-05-1 | 1-Propene, 3-chloro- |
4-Amino-biphenyl | 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-chloro-ethyl 2-[4-(1,1-di-methylethyl) phenoxy]-1-methyl-ethyl ester |
Arsenic | (Total) | Arsenic |
Barium | (Total) | Barium |
Benzene | 71-43-2 | Benzene |
Benzo[a]anthracene; Benzanthracene | 56-55-3 | Benz[a]anthracene |
Benzo[b]-fluor-anthene | 205-99-2 | Benz[e]acephen-anthry-lene |
Benzo[k]-fluor-anthene | 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,3 b ,4α,5 b ,6 b) |
beta-BHC | 319-85-7 | Cyclohexane, 1,2,3,4,5, 6-hexachloro-, (1α,2 b ,3α,4 b ,5α,6 b)- |
delta-BHC | 319-86-8 | Cyclohexane, 1,2,3,4,5, 6-hexachloro-, (1α,2α,3α, 4 b ,5α,6 b)- |
gamma-BHC; Lindane | 58-89-9 | Cyclohexane, 1,2,3,4,5, 6-hexachloro-, (1α,2α,3 b ,4α,5α,6 b) |
Bis(2-chloroethoxy) methane- | 111-91-1 | Ethane,1,1'-[methyl- enebis(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'-Dichlorodi- isopropyl ether | 108-60-1 | Propane, 2,2'-oxybis [1-chloro- |
Bis(2-ethyl-hexyl) phthalate | 117-81-7 | 1,2-Benzenedicarboxylic acid,bis(2-ethylhexyl) ester |
Bromodichloro- methane | 75-27-4 | Methane, bromodichloro- |
Bromoform;Tri-bromomethane | 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 phenyl- methyl 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-octa-chloro-2,3,3a,4,7,7a- hexahydro- |
p-Chloroaniline | 106-47-8 | Benzenamine, 4 chloro- |
Chlorobenzene | 108-90-7 | Benzene, chloro- |
Chloro- benzilate | 510-15-6 | Benzeneacetic acid, 4-chloro-α -(4-chloro- phenyl)-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-Chloro- naphthalene | 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-Di-chlorophenoxy-acetic 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'-(dichloro- ethenylidene) 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 |
Dibromochloro- methane; Chlorodi- bromomethane | 124-48-1 | Methane, dibromo- chloro- |
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'-Dichloro- benzidine | 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)- |
Dichlorodifluoro- methane | 75-71-8 | Methane, dichloro- difluoro- |
1,1-Dichloro-ethane | 75-34-3 | Ethane,1,1-dichloro- |
1,2-Dichloro-ethane; Ethylene dichloride | 107-06-2 | Ethane, 1,2-dichloro- |
1,1-Dichloro- ethylene; 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-Dichloro-propane | 78-87-5 | Propane, 1,2- dichloro- |
cis-1,3- Dichloro- propene | 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,2 b ,2aα,3 b ,6 b ,6aα,7 b ,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-dimethyls-[2-(methylamino)-2-oxoethyl] ester |
p-(Dimethyl-amino)azobenzene | 60-11-7 | Benzenamine, N,N-di-methyl-4- (phenylazo)- |
7,12-Dimethyl- benz[a] anthracene | 57-97-6 | Benz[a]anthracene, 7,12-dimethyl- |
3,3'-Dimethyl- benzidine | 119-93-7 | [1,1'-Biphenyl]-4,4'- diamine, 3,3'-dimethyl- |
alpha, alpha- Dimethyl- phenethylamine | 122-09-8 | Benzeneethanamine, α,α-dimethyl- |
2,4-Dimethyl- phenol | 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-Dinitro- toluene | 121-14-2 | Benzene, 1-methyl-2, 4-dinitro- |
2,6-Dinitro- toluene | 606-20-2 | Benzene, 2-methyl- 1,3-dinitro- |
Dinoseb; DNBP; 2-sec-Butyl- 4,6-dinitrophenol | 88-85-7 | Phenol, 2-(1-methyl- propyl)-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,5a b ,6α,9α,9a b)- |
Endosulfan II | 33213-65-9 | 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10-hexa-chloro- 1,5,5a,6,9, 9a-hexahydro-, 3-oxide, (3α,5aα,6 b ,9α,9aα)- |
Endosulfan sulfate | 1031-07-8 | 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10-hexa-chloro-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,2 b ,2a b, 3α,6α,6a b, 7 b ,7aα)- |
Endrin aldehyde | 7421-93-4 | 1,2,4-Methenocyclopenta[cd] pentalene- 5-carboxaldehyde, 2,2a,3,3,4,7-hexachloro-decahydro-,(1α,2 b ,2a b, 4 b ,4a b ,5 b ,6a b ,6b b ,7R*)- |
Ethylbenzene | 100-41-4 | Benzene, ethyl- |
Ethyl methacrylate | 97-63-2 | 2-Propenoic acid, 2-methyl-, ethyl ester |
Ethyl methane- sulfonate | 62-50-0 | Methanesulfonic acid, ethyl ester |
Famphur | 52-85-7 | Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl]-O,O-di-methyl 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-hepta-chloro-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, 6,6ahexa-hydro-,(1aα,1b b ,2α, 5α,5a b ,6 b ,6aα) |
Hexachlorobenzene | 118-74-1 | Benzene, hexachloro- |
Hexachlorobutadiene | 87-68-3 | 1,3-Butadiene, 1,1,2,3,4,4- hexachloro- |
Hexachloro- cyclopentadiene | 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'-methyl-enebis [3,4,6- tri-chloro- |
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-Dimethano- naphthalene,1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro- (1α,4α,4a b, 5 b ,8 b ,8a b) - |
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-cylo-buta-[cd]pentalen-2- one,1,1a,3,3a,4,5,5,5a,5b,6-decachloroocta-hydro- |
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-Methyl-cholanthrene | 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- |
Methylmethacrylate | 80-62-6 | 2-Propenoic acid, 2- methyl-, methyl ester |
Methyl methanesulfonate | 66-27-3 | Methanesulfonic acid, methyl ester |
2-Methyl-naphthalene | 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; Methylisobutyl ketone | 108-10-1 | 2-Pentanone, 4-methyl |
Naphthalene | 91-20-3 | Naphthalene |
1,4-Naphthoquinone | 130-15-4 | 1,4-Naphthalene-dione |
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-Nitroso- diethylamine | 55-18-5 | Ethanamine, N-ethyl- N-nitroso |
N-Nitroso- dimethylamine | 62-75-9 | Methanamine, N- methyl-N-nitroso- |
N-Nitroso- diphenylamine | 86-30-6 | Benzenamine, N-nitroso-N-phenyl- |
N-Nitrosodipropyl-amine;Di-n-propyl-nitrosamine | 621-64-7 | 1-Propanamine, N-nitroso-N-propyl- |
N-Nitrosom- ethylethylamine | 10595-95-6 | Ethanamine, N-methyl- N-nitroso- |
N-Nitrosomor- pholine | 59-89-2 | Morpholine, 4-nitroso- |
N-Nitrosopiperi-dine | 100-75-4 | Piperidine, 1- nitroso- |
N-Nitrosopyrroli-dine | 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-nitro-phenyl) ester |
Polychlorinated biphenyls; PCBs | See Note 4 | 1,1'-Biphenyl, chloro derivatives |
Polychlorinated dibenzo-p- dioxins; PCDDs | See Note 5 | Dibenzo[b,e][1,4]dioxin, chloro derivatives |
Polychlorinated dibenzofurans; PCDFs | See Note 6 | Dibenzofuran, chloro derivatives |
Pentachlorobenzene | 608-93-5 | Benzene, pentachloro- |
Pentachloroethane | 76-01-7 | Ethane, pentachloro- |
Pentachloro- nitrobenzene | 82-68-8 | Benzene, pentachloro- nitro- |
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-pro-pynyl)- |
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-, Trichlorophenoxy-acetic acid | 93-76-5 | Acetic acid, (2,4,5- trichlorophenoxy)- |
2,3,7,8-TCDD; 2,3,7,8-Tetra-chlorodibenzo-p- dioxin | 1746-01-6 | Dibenzo[b,e][1,4]dioxin 2,3,7,8-tetrachloro- |
1,2,4,5-Tetra- chlorobenzene | 95-94-3 | Benzene, 1,2,4,5-tetrachloro- |
1,1,1,2-Tetra- chloroethane | 630-20-6 | Ethane, 1,1,1,2- tetrachloro- |
1,1,2,2-Tetra- chloroethane | 79-34-5 | Ethane, 1,1,2,2- tetrachloro- |
Tetrachloro- ethylene; Perchloroethylene; Tetrachloroethene | 127-18-4 | Ethene, tetrachloro- |
2,3,4,6-Tetra- chlorophenol | 58-90-2 | Phenol, 2,3,4,6- tetrachloro- |
Tetraethyl dithio-pyrophosphate; Sulfotepp | 3689-24-5 | Thiodiphosphoric acid ([(HO)2P(S)]2O), 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-Tri-chlorobenzene | 120-82-1 | Benzene, 1,2,4-trichloro- |
1,1,1-Tri-chloroethane; Methylchloroform | 71-55-6 | Ethane, 1,1,1-trichloro- |
1,1,2-Tri- chloroethane | 79-00-5 | Ethane, 1,1,2-trichloro- |
Trichloro- ethylene; Trichloroethene | 79-01-6 | Ethene, trichloro- |
Trichlorofluoro-methane | 75-69-4 | Methane, trichlorofluoro- |
2,4,5-Tri- chlorophenol | 95-95-4 | Phenol, 2,4,5-trichloro- |
2,4,6-Tri- chlorophenol | 88-06-2 | Phenol, 2,4,6-trichloro- |
1,2,3-Tri- chloropropane | 96-18-4 | Propane, 1,2,3-tri-chloro- |
O,O,O-Triethyl phosphorothioate | 126-68-1 | Phosphorothioic acid, O,O,O-triethyl ester |
sym-Trinitro- benzene | 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 groundwater that contain this element are included.
3 CAS index names are those used in the ninth 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.
La. Admin. Code tit. 33, § V-3325