Statutes, codes, and regulations
Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-351 - Criteria for municipal solid waste landfills
Section 173-351-990 - Appendices

Wash. Admin. Code § 173-351-990

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Current through Register Vol. 24-20, October 15, 2024
Section 173-351-990 - Appendices

APPENDIX I

Appendix I - Constituents for Detection Monitoring

COMMON NAME 1 CAS RN 2
Inorganic Constituents
1) Antimony .......................... (Total)
2) Arsenic ............................ (Total)
3) Barium ............................ (Total)
4) Beryllium ......................... (Total)
5) Cadmium ......................... (Total)
6) Chromium ........................ (Total)
7) Cobalt ............................ (Total)
8) Copper ........................... (Total)
9) Lead ............................. (Total)
10) Nickel ............................ (Total)
11) Selenium ......................... (Total)
12) Silver ............................ (Total)
13) Thallium .......................... (Total)
14) Vanadium ......................... (Total)
15) Zinc ............................. (Total)
16) Nitrate ...........................
Organic Constituents
17) Acetone .......................... 67-64-1
18) Acrylonitrile ....................... 107-13-1
19) Benzene .......................... 71-43-2
20) Bromochloromethane ............... 74-97-5
21) Bromodichloromethane .............. 75-27-4
22) Bromoform; Tribromomethane ........ 75-25-2
23) Carbon disulfide .................... 75-15-0
24) Carbon tetrachloride ................ 56-23-5
25) Chlorobenzene ..................... 108-90-7
26) Chloroethane; Ethyl chloride .......... 75-00-3
27) Chloroform; Trichloromethane ........ 67-66-3
28) Dibromochloromethane; Chlorodibromomethane .............. 124-48-1
29) 1,2-Dibromo-3-chloropropane; DBCP . . 96-12-8
30) 1,2-Dibromoethane; Ethylene dibromide; EDB ............ 106-93-4
31) o-Dichlorobenzene; 1,2-Dichlorobenzene ................ 95-50-1
32) p-Dichlorobenzene; 1,4-Dichlorobenzene ................ 106-46-7
33) trans-1,4-Dichloro-2-butene .......... 110-57-6
34) 1,1-Dichloroethane; Ethylidene chloride .......................... 75-34-3
35) 1,2-Dichloroethane; Ethylene dichloride ................. 107-06-2
36) 1,1-Dichloroethylene; 1,1-Dichloroethene; Vinylidene chloride ................. 75-35-4
37) cis-1,2-Dichloroethylene; cis-1,2-Dichloroethene ............... 156-59-2
38) trans-1,2-Dichloroethylene; trans-1,2-Dichloroethene ............ 156-60-5
39) 1,2-Dichloropropane; Propylene dichloride ............... 78-87-5
40) cis-1,3-Dichloropropene ........... 10061-01-5
41) trans-1,3-Dichloropropene .......... 10061-02-6
42) Ethylbenzene ..................... 100-41-4
43) 2-Hexanone; Methyl butyl ketone ...................... 591-78-6
44) Methyl bromide; Bromomethane ...... 74-83-9
45) Methyl chloride; Chloromethane ...... 74-87-3
46) Methylene bromide; Dibromomethane . 74-95-3
47) Methylene chloride; Dichloromethane . 75-09-2
48) Methyl ethyl ketone; MEK; 2-Butanone ....................... 78-93-3
49) Methyl iodide; lodomethane ......... 74-88-4
50) 4-Methyl-2-pentanone; Methyl isobutyl ketone ............. 108-10-1
51) Styrene .......................... 100-42-5
52) 1,1,1,2-Tetrachloroethane ........... 630-20-6
53) 1,1,2,2-Tetrachloroethane ........... 79-34-5
54) Tetrachloroethylene; Tetrachloroethene; Perchloroethylene ................. 127-18-4
55) Toluene .......................... 08-88-3
56) 1,1,1-Trichloroethane; Methyl chloroform ................. 71-55-6
57) 1,1,2-Trichloroethane ............... 79-00-5
58) Trichloroethylene; Trichloroethene . . . . 79-01-6
59) Trichlorofluoromethane; CFC-11 ..... 75-69-4
60) 1,2,3-Trichloropropane ............. 96-18-4
61) Vinyl acetate ..................... 108-05-4
62) vinyl chloride ..................... 75-01-4
63) Xylenes ......................... 1330-20-7

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.

APPENDIX II

GROUNDWATER QUALITY PARAMETERS

Field Parameters

pH

specific conductance

temperature

static water level

Geochemical Indicator Parameters

Calcium (Ca) Sodium (Na)
Bicarbonate (HCO3) Chloride (Cl)
Magnesium (Mg) Potassium (K)
Sulfate (SO4) Alkalinity (as Ca CO3)
Total suspended Iron (Fe) (Dissolved)
solids (TSS) Manganese (Mn) (Dissolved)

Leachate Indicators

Ammonia (NH3-N)

Total Organic Carbon (TOC)

Total Dissolved Solids (TDS)

APPENDIX III

List of Hazardous Inorganic and Organic Constituents.

Common Name1CAS RN2Chemical abstracts service index name3
Acenaphthene 83-32-9 Acenaphthylene, 1,2-dihydro-
Acenaphthylene 208-96-8 Acenaphthylene
Acetone 67-64-1 2-Propanone
Acetonitrile; Methyl cyanide 75-05-8 Acetonitrile
Acetophenone 98-86-2 Ethanone, 1-phenyl-
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-(1[ALPHA],4[ALPHA],4a[BETA],5[ALPHA],8[ALPHA],8a[BETA])-
Allyl chloride 107-05-1 1-Propene, 3-chloro-
4-Aminobiphenyl 92-67-1

[1,1 1 -Biphenyl]-4-amine

Anthracene 120-12-7

Anthracene

Antimony (Total)

Antimony

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-, (1[ALPHA],2[ALPHA],3[BETA];,4[ALPHA],5[BETA];,6[BETA];)-

beta-BHC 319-85-7 Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1[ALPHA],2[BETA];,3[ALPHA],4[BETA];,5[ALPHA],6[BETA];)-
delta-BHC 319-86-8 Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1[ALPHA],2[ALPHA],3[ALPHA],4[BETA];,5[ALPHA],6[BETA];)-
gamma-BHC; Lindane 58-89-9 Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1[ALPHA],2[ALPHA],3[BETA];,4[ALPHA],5[ALPHA],6[BETA];)-
Bis(2-chloroethoxy)methane 111-91-1 Ethane, 1,1 1 -[methylenebis(oxy)]bis[2-chloro-
Bis(2-chloroethyl) ether; Dichloroethyl ether 111-44-4 Ethane, 1,1 1 -oxybis[2-chloro-
Bis-(2-chloro-1-methylethyl) ether; 2,2 1 - 108-60-1 Propane, 2,2 1 -oxybis[1-chloro-
Dichlorodiisopropyl ether;
DCIP, See note 4
Bis(2-ethylhexyl) phthalate 117-81-7 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester
Bromochloromethane; Chlorobromomethane 74-97-5

Methane, bromochloro-

Bromodichloromethane; Dibromochlorometh-ane 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 phenyl-methyl ester
Cadmium (Total)

Cadmium

Carbon disulfide 75-15-0 Carbon disulfide
Carbon tetrachloride 56-23-5 Methane, tetrachloro-
Chlordane See Note 5 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-
Chlorobenzilate 510-15-6 Benzeneacetic acid, 4-chloro-[ALPHA]-(4-chlorophenyl)-[ALPHA]-hydroxy-, ethyl ester
p-Chloro-m-cresol; 4-Chloro-3-methylphenol 59-50-7

Phenol, 4-chloro-3-methyl-

Chloroethane; Ethyl chloride 75-00-3

Ethane, chloro-

Chloroform; Trichloromethane 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, l-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; 3-methylphenol 108-39-4

Phenol, 3-methyl-

o-Cresol; 2-methylphenol 95-48-7

Phenol, 2-methyl-

p-Cresol; 4-methylphenol 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 1 -(2,2-dichloroethylidene)bis[4-chloro-

4,4'-DDE 72-55-9

Benzene, 1,1 1 -(dichloroethy enylidene)bis [4-chloro-

4,4'-DDT 50-29-3

Benzene, 1,1 1 -(2,2,2-trichloroethylidene)bis[4-chloro-

Diallate 2303-16-4

Carbamothioic acid, bis(l-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-

l,2-Dibromo-3-chloropropane; DBCP 96-12-8

Propane, l,2-dibrome-3-chloro-

1,2-Dibromoethane; Ethylene dribromide; EDB 106-93-4

Ethane, 1,2-dibromo-

Di-n-butyl phthalate 84-74-2

1,2-Benzenedicarboxyhc acid, dibutyl ester

o-Dichlorobenzene; 1,2-Dichlorobenzene 95-50-1

Benzene, 1,2-dichloro-

m-Dichlorobenzene; 1,3-Dichlorobenzene 541-73-1

Benzene, 1,3-Dichloro-

p-Dichlorobenzene; 1,4-Dichlorobenzene 106-46-7

Benzene, 1,4-dichloro-

3,3 '-Dichlorobenzidine 91-94-1

[1,1 1 -Biphenyl]-4,4 1 -diamine, 3,3 1 - dichloro-

trans-l,4-Dichloro-2-butene 110-57-6

2-Butene, 1,4-dichloro-, (E)-

Dichlorodifluoromethane; CFC 12; 75-71-8

Methane, dichlorodifluoro-

1,1-Dichloroethane; Ethyldidene chloride 75-34-3

Ethane, 1,1-dichloro-

1,2-Dichloroethane; Ethylene dichloride 107-06-2

Ethane, 1,1-dichloro-

1,1 -Dichloroethy lene; 1,1 -Dichloroethene; Vinylidene chloride 75-35-4

Ethene, 1,1-dichloro-

cis-l,2-Dichloroethylene; cis-l,2-Dichloro-ethene 156-59-2

Ethene, 1,2-dichloro-, (Z)-

trans-l,2-Dichloroethylene; trans-l,2-Dichloro-ethene 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; Propylene dichloride 78-87-5

Propane, 1,2-dichloro-

1,3-Dichloropropane; Trimethylene dichloride 142-28-9

Propane, 1,3-dichloro-

2,2-Dichloropropane; Isopropylidene chloride 594-20-7

Propane, 2,2-dichloro-1-

1,1-Dichloropropene 563-58-6

Propene, 1,1-dichloro-1-

cis-1,3-Dichloropropene 10061-01-5

Propene, 1,3-dichloro-, (Z)-1-

trans-1,3-Dichloropropene 10061-02-6

Propene, 1,3-dichloro-, (E)-

Dieldrin 60-57-1

2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexa, chloro-1a,2,2a,3,6,6a,7,7a-octa-hydro-, (1a[ALPHA],2[BETA];,2a[ALPHA],3[BETA];,6[BETA];, 6a[ALPHA],7[BETA];,7a[ALPHA])-

Diethyl phthalate 84-66-2

1,2-Benzenedicarboxylic acid, diethyl ester

0,0-Diethyl 0-2-pyrazinyl phosphorothioate; Thionazin 297-97-2

Phosphorothioic acid, 0,0-diethyl 0-pyrazinyl ester

Dimethoate 60-51-5

Phosphorodithioic acid, 0,0-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 1 -Biphenyl]-4,4 1 -diamine, 3,3 1 -dimethyl-

alpha, alpha-Dimethylphenethylamine 122-09-8

Benzeneethanamine, [ALPHA],[ALPHA]-dimethyl-

2,4-Dimethylphenol; m-Xylenol 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 4,6-Dinitro-2-methylphe-nol 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-dinitropheno l 88-85-7

Phenol, 2-(1-methylpropyl)-4,6-dinitro-

Di-n-octyl phthalate 117-84-0

1,2-Benzenedicarboxylic acid, dioctyl ester

Diphenylamine 122-39-4

Benzenamine, N-phenyl-

Disulfoton 298-04-4

Phosphorodithioic acid, 0,0-diethyl S-[2-(eth-ylthio)ethyl] ester

Endosulfan I 959-98-8

6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexa-chloro-1,5,5a,6,9,9a-hexahy-dro-, 3-oxide,

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, (3[ALPHA],5a[ALPHA], 6[BETA];,9[BETA];,9a[ALPHA])-

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-octa-hydro-, (1a[ALPHA], 2[BETA];,2a[BETA];,3[ALPHA],6[ALPHA], 6a[BETA];,7[BETA];,7a[ALPHA])-

Endrin aldehyde 7421-93-4

1,2,4-Methenocyclopenta[cd]pentalene-5-carbox-aldehyde, 2,2a,3,3,4,7-hexachlorodecahydro-, (1[ALPHA],2[BETA];, 2a[BETA];,4[BETA];,4a[BETA];,5[BETA];,6a[BETA];,6b[BETA];,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, 0-[4-[(dimethylamino)sul-fonyl]pheny l] 0,0-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-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,6,6a-hexahy-dro-, (1a[ALPHA], 1b[BETA];, 2[ALPHA], 5[ALPHA], 5a[BETA];, 6[BETA];, 6a[ALPHA])

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-

Hexachloropropene 1888-71-7

1-Propene, 1,1,2,3,3,3-hexachloro-

2-Hexanone; Methyl butyl ketone 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, 2,3,4,10,10-hexachloro-1,4,4a, 5,8,8a hexahydro- (1[ALPHA],4[ALPHA],4a[BETA];, 5[BETA];,8[BETA];,8a[BETA];)-

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 1 -2-pyr-idinyl-N1/2-thienylmethyl)-

Methoxychlor 72-43-5

Benzene,1,1 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-

Methyl ethyl ketone; MEK; 2-Butanone 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, 0,0-dimethyl

4-Methyl-2-pentanone; Methyl isobutyl ketone 108-10-1

2-Pentanone, 4-methyl-

Methylene bromide; Dibromomethane 74-95-3

Methane, dibromo-

Methylene chloride; Dichloromethane 75-09-2

Methane, dichloro-

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; 2-Nitroaniline 88-74-4

Benzenamine, 2-nitro-

m-Nitroaniline; 3-Nitroanile 99-09-2

Benzenamine, 3-nitro-

p-Nitroaniline; 4-Nitroaniline 100-01-6

Benzenamine, 4-nitro

Nitrobenzene 98-95-3

Benzene, nitro-

o-Nitrophenol; 2-Nitrophenol 88-75-5

Phenol, 2-nitro-

p-Nitrophenol; 4-Nitrophenol 100-02-7

Phenol, 4-nitro-

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; N-Nitroso-N-dipro-pylamine; Di-n-propylnitrosamine 621-64-7

1-Propanamine, N-nitroso-N-propyl-

N-Nitrosomethylethalamine 10595-95-6

Ethanamine, N-methyl-N-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, 0,0-diethyl 0-(4-nitrophe-nyl) ester

Pentachlorobenzene 608-93-5

Benzene, pentachloro-

Pentachloronitrobenzene 82-68-8

Benzene, pentachloronitro-

Pentachlorophenol 87-86-5

Phenol, pentachloro-

Phenacetin 62-44-2

Acetamide, N-(4-ethoxyphenl)

Phenanthrene 85-01-8

Phenanthrene

Phenol 108-95-2

Phenol

p-Phenylenediamine 106-50-3

1,4-Benzenediamine

Phorate 298-02-2

Phosphorodithioic acid, 0,0-diethyl S-[(eth-ylthio)methyl] ester

Polychlorinated biphenyls; PCBs; Aroclors See Note 6

1,1'-Biphenyl, chloro derivatives

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

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; Tetrachloroethene; Per-chloroethylene 127-18-4

Ethene, tetrachloro-

2,3,4,6-Tetrachlorophenol 58-90-2

Phenol, 2,3,4,6-tetrachloro-

Thallium (Total)

Thallium

Tin (Total)

Tin

Toluene 108-88-3

Benzene, methyl-

o-Toluidine 95-53-4

Benzenamine, 2-methyl-

Toxaphene See Note 7

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; CFC-11 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-

0,0,0-Triethyl phosphorothioate 126-68-1

Phosphorothioic acid, 0,0,0-triethylester

sym-Trinitrobenzene 99-35-4

Benzene, 1,3,5-trinitro-

Vanadium (Total)

Vanadium

Vinyl acetate 108-05-4

Acetic acid, ethenyl ester

Vinyl chloride; Chloroethene 75-01-4

Ethene, chloro-

Xylene (total) See Note 8

Benzene, dimethyl-

Zinc (Total)

Zinc

Notes:

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 are those used in the 9th Collective Index.

4 This substance is often called Bis(2-chloroisopropyl) ether, the name Chemical Abstracts Service applies to its noncommercial isomer, Propane, 2,2''-oxybis[2-chloro- (CAS RN 39638-32-9).

5 Chlordane: This entry 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 12789-03-6).

6 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).

7 Toxaphene: This entry includes congener chemicals contained in technical toxaphene (CAS RN 8001-35-2), i.e., chlorinated camphene.

8 Xylene (total): This entry 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).

Wash. Admin. Code § 173-351-990

Amended by WSR 15-20-096, Filed 10/6/2015, effective 11/6/2015

Reviser's note: The brackets and enclosed material in the text of the above section occurred in the copy filed by the agency and appear in the Register pursuant to the requirements of RCW 34.08.040.