Rule 3745-535-802. Assessment monitoring parameter list

119.03 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 2, 2026 at 10:36 AM Supplemental Information Authorized By: 3734.02 , 3734.12 Amplifies: 3734.02 , 3734.12 3/1/2031 6/1/1994