Rule 3745-535-802 | Assessment monitoring parameter list.
For the purposes of this rule, the following are true:
(A) Compounds are listed by the common names used in government regulations, scientific publications, and commerce.
(B) "CAS RN" means chemical abstract service registry number. Where "total" is entered, all species in groundwater that contain this element are included.
(C) Numbers and letters that appear at the end of a chemical name have the following meaning:
(1) "a" means small case "a."
(2) "A" means alpha.
(3) "b" means small case "b."
(4) "B" means beta.
(D) CAS No. 108-60-1. This substance is often called bis(2-Chloroisopropyl) ether, the name chemical abstracts service applies to its commercial isomer, propane, 2, 2" -oxybis [2-Chloro- CAS RN 39638-32-9).
(E) Chlordane includes alpha-chlordane (CAS RN 5103-71-9), beta-Chlordane (CAS RN 5103-74-2), gamma-Chlordane (CAS RN 5566-34-7), and constituents of Chlordane (CAS RN 57-74-9 and CAS RN 12789-03-06).
(F) Polychlorinated biphenols 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).
(G) Toxaphene includes congener chemicals such as chlorinated camphene that are contained in technical toxaphene (CAS RN 8001-35-2).
(H) Xylenes includes o-xylene (CAS RN 96-47-6), m-xylene (CAS RN 108- 38-3), p-xylene (CAS RN 106-42-3), and unspecified xylenes (dimethylbenzenes) (CAS RN 1330-20-7).
| Compound: | CAS RN: |
| 1) Acenaphthene; 1,2-Dihydroacenaphthylene | 83-32-9 |
| 2) Acenaphthylene | 208-96-8 |
| 3) Acetone; 2-Propanone | 67-64-1 |
| 4) Acetonitrile; Methyl cyanide | 75-05-8 |
| 5) Acetophenone; 1-Phenylethanone | 98-86-2 |
| 6) 2-Acetylaminofluorene; 2-AAF; N-9H-fluoren-2-yl-acetamide | 53-96-3 |
| 7) Acrolein; 2-Propenal | 107-02-8 |
| 8) Acrylonitrile; 2-Propenenitrile | 107-13-1 |
| 9) Aldrin; l,2,3,4,10,10-hexachlora-l,4,4a,5,8,8ahexahydro( la,4a,4ab,5a,8a,8ab)-l,4:5,8- Dimethanonaphthalene | 309-00-23 |
| 10) Allyl chloride; 3-Chloro-1-propene | 107-05-1 |
| 11) 4-Aminobiphenyl; [l,l'-Biphenyl]-4-amine | 92-67-1 |
| 12) Anthracene | 120-12-7 |
| 13) Antimony | 7440-36-0 |
| 14) Arsenic | 7440-38-2 |
| 15) Barium | 7440-39-3 |
| 16) Benzene | 71-43-2 |
| 17) Benzo[a]anthracene; Benzanthracene | 56-55-3 |
| 18) Benzo[b]fluoranthene; Benz[e]acephenanthrylene | 205-99-2 |
| 19) Benzo[k]fluoranthene | 207-08-9 |
| 20) Benzo[ghi]perylene | 191-24-2 |
| 21) Benzo[a]pyrene | 50-32-8 |
| 22) Benzyl alcohol; Benzenemethanol | 100-51-6 |
| 23) Beryllium | 7440-41-7 |
| 24) alpha-BHC; 1,2,3,4,5,6-Hexachlorocyclohexane, (lA,2A,3B,4A,5B,6B) | 319-84-63 |
| 25) beta-BHC; 1,2,3,4,5,6-Hexachlorocyclohexane, (lA,2B,3A,4B,5A,6B) | 319-85-73 |
| 26) delta-BHC; 1,2,3,4,5,6-Hexachlorocyclohexane, (lA,2A,3A,4B,5A,6B) | 319-86-83 |
| 27) gamma-BHC; Lindane; 1,2,3,4,5,6-Hexachlorocyclo hexane, (lA,2A,3B,4A,5A, 6B) | 58-89-9 |
| 28) bis (2-Chloroethoxy)methane; 1,1'- [methylenebis(oxy)] bis[2- chloroethane] | 111-91-1 |
| 29) bis(2-Chloroethyl) ether; Dichloroethyl ether; l,l'-oxybis[2-Chloroethane] | 111-44-4 |
| 30) bis-(2-Chloro-l-methylethyl) Ether; 2,2'-Dichlorodi-isopropyl ether; DCIP; 2,2'-oxybis[l-Chloropropane] | 108-60-1, see paragraph (D) of this rule |
| 31) bis(2-Ethylhexyl) Phthalate; 1,2-Benzenedicarboxylic acid, bis(2- Ethylhexyl) ester | 117-81-7 |
| 32) Bromochloromethane; Chlorobromomethane | 74-97-5 |
| 33) Bromodichloromethane; Dibromochloromethane | 75-27-4 |
| 34) Bromoform; Tribromomethane | 75-25-2 |
| 35) 4-Bromophenyl phenyl ether; 1-Bromo-4-phenoxy-benzene | 101-55-3 |
| 36) Butyl benzyl phthalate; Benzyl butyl phthalate; 1,2-Benzenedicarboxylic acid, Butyl phenylmethyl ester | 85-68-7 |
| 37) Cadmium | 7440-43-9 |
| 38) Carbon disulfide | 75-15-0 |
| 39) Carbon tetrachloride; Tetrachloromethane | 56-23-5 |
| 40) Chlordane; 1,2,4,5,6,8,8-octochloro-2,3,3a,4,7,7a-hexahydro-4,7- methano-1H-indene | See paragraph (E) of this rule |
| 41) p-Chloroaniline; 4-Chlorobenzenamine | 106-47-8 |
| 42) Chlorobenzene | 108-90-7 |
| 43) Chlorobenzilate; 4-Chloro-a-(4-Chlorophenyl)-a-Hydroxybenzeneacetic acid, Ethyl ester | 510-15-6 |
| 44) p-Chloro-m-Cresol; 4-Chloro-3-Methylphenol | 59-50-7 |
| 45) Chloroethane; Ethyl chloride | 75-00-3 |
| 46) Chloroform; Trichloromethane | 67-66-3 |
| 47) 2-Chloronaphthalene | 91-58-7 |
| 48) 2-Chlorophenol | 95-57-8 |
| 49) 4-Chlorophenyl phenyl ether; l-Chloro-4-phenoxy benzene | 7005-72-3 |
| 50) Chloroprene; 2-Chloro-1,3-butadiene | 126-99-8 |
| 51) Chromium | 7440-47-3 |
| 52) Chrysene | 218-01-9 |
| 53) Cobal | 7440-48-4 |
| 54) Copper | 7440-50-8 |
| 55) m-Cresol; 3-Methylphenol | 108-39-4 |
| 56) o-Cresol; 2-Methylphenol | 95-48-7 |
| 57) p-Cresol; 4-Methylphenol | 106-44-5 |
| 58) Cyanide | 57-12-5 |
| 59) 2,4-D; 2,4-Dichlorophenoxyacetic acid | 94-75-7 |
| 60) 4,4'-DDD; 1,1'-(2,2-Dichloroethylidene)bis [4-chlorobenzene] | 72-54-8 |
| 61) 4,4'-DDE; l,1'-(2,2-Dichloroethyenylidene)bis [4-chlorobenzene] | 72-55-9 |
| 62) 4,4'-DDT; l,1'-(2,2,2-Trichloroethylidene)bis [4-chlorobenzene] | 50-29-3 |
| 63) Diallate; bis(l-Methylethyl)-carbamothioic acid S-(2,3-Dichloro-2- propenyl) ester | 2303-16-4 |
| 64) Dibenz [a, h] anthracene | 53-70-3 |
| 65) Dibenzofuran | 132-64-9 |
| 66) Dibromochloromethane; Chlorodibromomethane | 124-48-1 |
| 67) 1,2-Dibromo-3-chloropropane; DBCP | 96-12-8 |
| 68) 1,2-Dibromoethane; Ethylene dibromide; EDB | 106-93-4 |
| 69) Di-n-butyl phthalate; 1,2-Benzenedicarboxylic acid dibutyl ester | 84-74-2 |
| 70) o-Dichlorobenzene; 1,2-Dichlorobenzene | 95-50-1 |
| 71) m-Dichlorobenzene; 1,3-Dichlorobenzene | 541-73-1 |
| 72) p-Dichlorobenzene; 1,4-Dichlorobenzene | 106-46-7 |
| 73) 3,3'-Dichlorobenzidine; 3,3 1 -Dichloro-[1,1 1 -bi phenyl]-4,4 1 -diamine | 91-94-1 |
| 74) trans-1, 4-Dichloro-2-butene | 110-57-6 |
| 75) Dichlorodifluoromethane; CFC 12 | 75-71-8 |
| 76) 1,1-Dichloroethane; Ethylidene chloride | 75-34-3 |
| 77) 1,2-Dichloroethane; Ethylene dichloride | 107-06-2 |
| 78) 1,1-Dichloroethylene; 1,1-Dichloroethene; Vinylidene chloride | 75-35-4 |
| 79) cis-1,2-Dichloroethylene; cis-1,2-Dichloroethene | 156-59-2 |
| 80) trans-1,2-Dichloroethylene; trans-1,2-Dichloro ethene | 156-60-5 |
| 81) 2, 4-Dichlorophenol | 120-83-2 |
| 82) 2, 6-Dichlorophenol | 87-65-0 |
| 83) 1,2-Dichloropropane; Propylene dichloride | 78-87-5 |
| 84) 1,3-Dichloropropane; Trimethylene dichloride | 142-28-9 |
| 85) 2,2-Dichloropropane; Isopropylidene chloride | 594-20-7 |
| 86) 1,1-Dichloropropene; 1,1-Dichloro-l-propene | 563-58-6 |
| 87) cis-1, 3-Dichloropropene; | 10061-01-5 |
| 88) trans-1, 3-Dichloropropene | 10061-02-6 |
| 89) Dieldrin; 3,4,5,6,9,9-Hexachloro-la,2,2a,3,6,6a, 7,7a-octahydro-2,7:3,6- dimethanonaphthalene [2,3-b]oxirene, (laA,2B,2aA,3B,6B,6aA,7B,7aA) | 60-57-1 |
| 90) Diethyl phthalate; 1,2-Benzenedicarboxylic acid, Diethyl ester | 84-66-2 |
| 91) O,O-Diethyl 0-2-Pyrazinyl phosphorothioate; Thionazin | 297-97-2 |
| 92) Dimethoate; Phosphorodithioic acid 0,0-Dimethyl-S-[2- (rnethylamino) - 2-oxoethyl] ester | 60-51-5 |
| 93) p-(Dimethylamino)azobenzene; N,N-Dimethyl-4- (phenylazo)benzenamine | 60-11-7 |
| 94) 7, 12-Dimethylbenz [a] anthracene | 57-97-6 |
| 95) 3,3'-Dirnethylbenzidene; 3,3'-Dirnethyl[l,l'biphenyl]-4,4'-diarnine | 119-93-7 |
| 96) alpha, alpha-Dimethylphenethylamine | 122-09-8 |
| 97) 2, 4-Dirnethylphenol; m-Xylenol | 105-67-9 |
| 98) Dimethyl phthalate; 1,2-Benzenedicarboxylic acid, dimethyl ester | 131-11-3 |
| 99) m-Dinitrobenzene | 99-65-0 |
| 100) 4,6-Dinitro-o-cresol; 4,6-Dinitro-2-rnethylphenol; 2-Methyl 4,6- dinitrophenol | 534-52-1 |
| 101) 2,4-Dinitrophenol | 51-28-5 |
| 102) 2,4-Dinitrotoluene; l-Methyl-2,4-dinitrobenzene | 121-14-2 |
| 103) 2,6-Dinitrotoluene; 2-Methyl-1,3-dinitrobenzene | 606-20-2 |
| 104) Dinoseb; DMBP; 2-sec-Butyl-4,6-dinitrophenol; 2-(1-Methylpropyl) - 4,5-dinitrophenol | 88-85-7 |
| 105) Di-n-octyl phthalate; 1,2-Benzenedicarboxylic acid, Dioctyl ester | 117-84-0 |
| 106) Diphenylarnine; N-phenylbenzenamine | 122-39-4 |
| 107) Disulfoton; Phosphorodithioic acid 0,0-diethyl8- [2- (ethylthio)ethyl] ester | 298-04-4 |
| 108) Endosulfan I; 6,7,8,9,10,10-Hexachloro-l,5,Sa,6,9, 9a-hexahydro-6,9- methano-2,4,3-benzodioxa thiepin, 3-oxide | 959-98-8 |
| 109) Endosulfan II, 6, 7, 8, 9, 10, 10-Hexachloro-1, 5, 5a, 6, 9, 9a-hexahydro- 6,9-methano-2,4,3-benzodioxa thiepin, 3-oxide (3A, 5aA, 6B, 9B, 9aA) | 33213-65-93 |
| 110) Endosulfan sulfate; 6,7,8,9,10,10-hexachloro-l,5,5a,6,9, 9a-hexahydro- 6,9-methano-2,4,3-benzodioxa thiepin, 3-3-dioxide | 1031-07-8 |
| 111) Endrin; 3,4,5,6,9,9-hexachloro-la,2,2a,3,6,6a,7,7a-octahydro-2,7:3, 6- dimethanonaphth[2,3-tahydro-b] oxirene, (laA,2B,2aB,3A,6A,6aB,7B,7aA) | 72-20-8 |
| 112) Endrin aldehyde; 2,2a,3,3,4,7-hexachlorodecahydro-1, 2,4- methenocyclopenta[cd]pentalene-5-carboxaldehyde, (lA,2B,2aB,4B,4aB,5B,6aB,6bB,7R*) | 7421-93-4 |
| 113) Ethylbenzene | 100-41-4 |
| 114) Ethyl methacrylate; 2-Methyl-2-propenoic acid, ethyl ester | 97-63-2 |
| 115) Ethyl methanesulfonate; Methanesulfonic acid, ethyl ester | 62-50-0 |
| 116) Famphur; Phosphorothioic acid, 0-[4-[(dimethylamino) sulfonyl]phenyl]O,O-dimethyl ester | 52-85-7 |
| 117) Fluoranthene | 206-44-0 |
| 118) Fluorene; 9H-fluorene | 86-73-7 |
| 119) Heptachlor; l,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methano- 1H-indene | 76-44-8 |
| 120) Heptachlor epoxide; 2,3,4,5,6,7,7-Heptachloro-la,lb,5,5a,6,6a- hexahydro-2,5-methano-2h-indeno [1,2-b] oxirene, (laA,lbB,2A,5A,5aB,6B,6aA) | 1024-57-3 |
| 121) Hexachlorobenzene | 118-74-1 |
| 122) Hexachlorobutadiene; 1,1,2,3,4,4-Hexachloro-l,3-butadiene | 87-68-3 |
| 123) Hexachlorocyclopentadiene; 1,2,3,4,5,5-Hexachloro-l, 3- cyclopentadiene | 77-47-4 |
| 124) Hexachloroethane | 67-72-1 |
| 125) Hexachloropropene; l,l,2,3,3,3-Hexachloro-l-propene | 1888-71-7 |
| 126) 2-Hexanone; Methyl butyl ketone | 591-78-6 |
| 127) Indeno(l,2,3-cd)pyrene | 193-39-5 |
| 128) Isobutyl alcohol;2-Methyl-l-propanol | 78-83-1 |
| 129) Isodrin; l,2,3,4,10,10-Hexachloro-l,4,4a,5,8,8a-hexahydro-l,4,5,8- dimethanonaphthalene, (lA,4A,4aB,5B,8B,8aB) | 465-73-6 |
| 130) Isophorone; 3, 5, 5-Trimethyl-2-cyclohexen-l-one | 78-59-1 |
| 131) Isosafrole; 5-(l-Propenyl)-1,3-benzodioxole | 120-58-1 |
| 132) Kepone; l,la,3,3a,4,5,5a,5b,6-decachlorocta hydro-l,3,4-methano-2H- cyclobuta[cd]pentalen-2-one | 143-50-0 |
| 133) Lead | 7439-92-1 |
| 134) Mercury | Total |
| 135) Methacrylonitrile; 2-Methyl-2-propenenitrile | 126-98-7 |
| 136) Methapyrilene; N,N-dimethyl-N'-2-pyridinyl-N'-/2-thienylmethyl)-1,2- ethanediamine | 91-80-5 |
| 137) Methoxychlor; l,l'-(2,2,2-Trichloroethylidene)bis [4-Methoxybenzene] | 72-43-5 |
| 138) Methyl bromide; Bromomethane | 74-83-9 |
| 139) Methyl chloride; Chloromethane | 74-87-3 |
| 140) 3-Methylcholanthrene; 1,2-Dihydro-3-methylbenze [j] aceanthrylene | 56-49-5 |
| 141) Methyl ethyl ketone; MEK; 2-Butanone | 78-93-3 |
| 142) Methyl iodide; Iodomethane | 74-88-4 |
| 143) Methyl methacrylate; 2-Methyl-2-propenoic acid, methyl ester | 80-62-6 |
| 144) Methyl methanesulfonate; Methanesulfonic acid, methyl ester | 66-27-3 |
| 145) 2-Methylnaphthalene | 91-57-6 |
| 146) Methyl parathion; Parathion methyl; Phosphorothioic acid, 0,0-dimethyl 0-(4-nitrophenyl) ester | 298-00-0 |
| 147) 4-Methyl-2-pentanone; Methyl isobutyl ketone | 108-10-1 |
| 148) Methylene bromide; Dibromomethane | 74-95-3 |
| 149) Methylene chloride; Dichloromethane | 75-09-2 |
| 150) Naphthalene | 91-20-3 |
| 151) 1,4 Naphthoquinone; 1,4-Naphthalenedione | 130-15-4 |
| 152) 1-Naphthylamine; 1-Naphthalenamine | 134-32-7 |
| 153) 2-Naphthylamine; 2-Naphthalenamine | 91-59-8 |
| 154) Nickel | 7440-02-0 |
| 155) o-Nitroaniline; 2-Nitroaniline; 2-Nitrobenzenamine | 88-74-4 |
| 156) m-Nitroaniline; 3-Nitroaniline; 3-Nitrobenzenamine | 99-09-2 |
| 157) p-Nitroaniline; 4-Nitroaniline; 4-Nitrobenzenamine | 100-01-6 |
| 158) Nitrobenzene | 98-95-3 |
| 159) o-Nitrophenol; 2-Nitrophenol | 88-75-5 |
| 160) p-Nitrophenol; 4-Nitrophenol | 100-02-7 |
| 161) N-Ni-trosodi-n-butylamine; N-Butyl-N-Ni troso-1-butanamine | 924-16-3 |
| 162) N-Nitrosodiethylamine; N-Ethyl-N-nitroso ethanamine | 55-18-5 |
| 163) N-Nitrosodimethylamine; N-Methyl-N-nitroso methananmine | 62-75-9 |
| 164) N-Nitrosodiphenylamine; N-Nitroso-N-phenyl benzenamine | 86-30-6 |
| 165) N-Nitrosodipropylamine; N-Nitroso-N-dipropylamine; di-n- propylnitrosamine; N-Nitroso-N-propyl- 1-propanamine | 621-64-7 |
| 166) N-Nitrosomethylethylamine; N-Methyl-N-nitroso ethanamine | 10595-95-6 |
| 167) N-Nitrosopiperidine; 1-Nitrosopiperidine | 100-75-4 |
| 168) N-Nitrosopyrrolidine; l-N1trosopyrrolidine | 930-55-2 |
| 169) 5-Nitro-o-toluidine; 2-Methyl-5-nitrobenzenamine | 99-55-8 |
| 170) Parathion; Phosphorothioic acid, 0,0-diethyl 0-(4-nitrophenyl) ester | 56-38-2 |
| 171) Pentachlorobenzene | 608-93-5 |
| 172) Pentachloronitrobenzene | 82-68-8 |
| 173) Pentachlorophenol | 87-86-5 |
| 174) Phenacetin; N-(4-Ethoxyphenyl) acetamide | 62-44-2 |
| 175) Phenanthrene | 85-01-8 |
| 176) Phenol | 108-95-2 |
| 177) p-Phenylenediamine; 1,4-Benzenediamine | 106-50-3 |
| 178) Phorate; Phosphorodithioic acid, 0,0-Diethyl S-[ (ethylthio) methyl) ester | 298-02-2 |
| 179) Polychlorinated biphenyls; PCBs; aroclors; 1,1'-Biphenyl, chloro derivatives | See paragraph (F) of this rule |
| 180) Pronamide; 3,5-Dichloro-N-(1,l-dimethyl-2-propynyl)benzamide | 23950-58-5 |
| 181) Propionitrile; Ethyl cyanide | 107-12-0 |
| 182) Pyrene | 129-00-0 |
| 183) Safrole; 5- (2-Propenyl) -1,3-benzodioxole | 94-59-7 |
| 184) Selenium | 7782-49-2 |
| 185) Silver | Total |
| 186) Silvex; 2,4,5-TP; 2-(2,4,5-Trichlorophenoxy)propanoic acid | 93-72-1 |
| 187) Styrene; Ethenylbenzene | 100-42-5 |
| 188) Sulfide | 18496-25-8 |
| 189) 2,4,5-T; 2,4,5-Trichlorophenoxyacetic acid | 93-76-5 |
| 190) 1, 2, 4, 5-Tetrachlorobenzene | 95-94-3 |
| 191) 2,3,7,8-TCDD; 2,3,7,8-Tetrachlorodibenzo- p-dioxin; Dibenzo[b,e][1,4]dioxin, 2,3,7,8- tetrachloro- | 1746-01-6 |
| 192) 1,1,1,2-Tetrachloroethane | 630-20-6 |
| 193) 1,1,2,2-Tetrachloroethane | 79-34-5 |
| 194) Tetrachloroethylene; Tetrachloroethene; Perchloroethylene | 127-18-4 |
| 195) 2,3,4,6-Tetrachlorophenol | 58-90-2 |
| 196) Thallium | 7440-28-0 |
| 197) Tin | Total |
| 198) Toluene; Methylbenzene | 108-88-3 |
| 199) o-Toluidine; 2-Methylbenzenamine | 95-53-4 |
| 200) Toxaphene | See paragraph (G) of this rule |
| 201) 1,2,4-Trichlorobenzene | 120-82-1 |
| 202) 1,1,1-Trichloroethane; Methylchloroform | 71-55-6 |
| 203) 1, 1, 2-Trichloroethane | 79-00-5 |
| 204) Trichloroethylene; Trichloroethene | 79-01-6 |
| 205) Trichlorofluoromethane; CFC-11 | 75-69-4 |
| 206) 2,4,5-Trichlorophenol | 95-95-4 |
| 207) 2,4,6-Trichlorophenol | 88-06-2 |
| 208) 1, 2, 3-Trichloropropane | 96-18-4 |
| 209) O,O,O-Triethyl phosphorothioate; Phosphorothioic acid, O,O,O-triethyl ester | 126-68-1 |
| 210) sym-Trinitrobenzene; 1,3,5-Trinitrobenzene | 99-35-4 |
| 211) Vanadium | 7440-62-2 |
| 212) Vinyl acetate; Acetic acid, ethenyl ester | 108-05-4 |
| 213) Vinyl chloride; Chloroethene | 75-01-4 |
| 214) Xylene (total); Dimethylbenzene | See paragraph (H) of this rule |
| 215) Zinc | 7440-66-6 |
Last updated March 1, 2026 at 4:06 AM
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