15-20-096

WSR 15-20-096
PERMANENT RULES
DEPARTMENT OF ECOLOGY
[Order 15-01-Filed October 6, 2015, 9:42 a.m., effective November 6, 2015]
Effective Date of Rule: Thirty-one days after filing.
Purpose: The department of ecology revised Appendix III of WAC 173-351-990 to include two hazardous organic constituents: 2,3,7,8-Tetrachlorodibenzo-p-dioxin - [CAS 1746-01-6] and alpha, alpha-Dimethylphenethylamine [CAS 122-09-8]. This revision is necessary to be consistent with federal rules in 40 C.F.R. Part 258. Operators of municipal solid waste landfills must meet federal program requirements. Revising our rule eliminates possible noncompliance for facilities that inadvertently omit the two additional constituents required to be monitored under federal rules. It also clarifies monitoring requirements for local jurisdictional health authorities that have the lead for issuing and enforcing solid waste permits. These revisions will enable ecology to obtain full approval of our municipal solid waste program from the United States Environmental Protection Agency (EPA).
Reviser's note: The brackets and enclosed material in the text above occurred in the copy filed by the agency and appear in the Register pursuant to the requirements of RCW  34.08.040.
Citation of Existing Rules Affected by this Order: Amending WAC 173-351-990.
Statutory Authority for Adoption: RCW  70.95.060(1) and  70.95.260(6).
Adopted under notice filed as WSR 15-15-108 on July 16, 2015.
A final cost-benefit analysis is available by contacting Kirsten Miller, P.O. Box 47600, Olympia, WA, 98504-7600, phone (360) 407-6707, fax (360) 407-6102, e-mail kirsten.miller@ecy.wa.gov.
Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 1, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.
Number of Sections Adopted at Request of a Nongovernmental Entity: New 0, Amended 0, Repealed 0.
Number of Sections Adopted on the Agency's Own Initiative: New 0, Amended 1, Repealed 0.
Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 0, Amended 0, Repealed 0.
Number of Sections Adopted Using Negotiated Rule Making: New 0, Amended 0, Repealed 0; Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 0, Amended 1, Repealed 0.
Date Adopted: October 1, 2015.
Maia D. Bellon
Director
AMENDATORY SECTION (Amending WSR 12-23-009, filed 11/8/12, effective 12/9/12)
WAC 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. . . .108-88-3

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
solids (TSS)

Iron (Fe) (Dissolved)

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 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

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?,4?,4a?,5?,8?,8a?)-

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?,2?,3?,4?,5?,6?)-

beta-BHC

319-85-7

Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1?,2?,3?,4?,5?,6?)-

delta-BHC

319-86-8

Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1?,2?,3?,4?,5?,6?)-

gamma-BHC; Lindane

58-89-9

Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1?,2?,3?,4?,5?,6?)-

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; Dibromochloromethane

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

See Note 5

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-?-(4-chlorophenyl)-?-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, 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; 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 -(dichloroethyenylidene)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(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-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-Benzenedicarboxylic 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-1,4-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-Dichloroethylene; 1,1-Dichloroethene; Vinylidene chloride

75-35-4

Ethene, 1,1-dichloro-

cis-1,2-Dichloroethylene; cis-1,2-Dichloroethene

156-59-2

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

trans-1,2-Dichloroethylene; trans-1,2-Dichloroethene

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-Dichloropropene

563-58-6

1-Propene, 1,1-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-hexa, chloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1a?,2?,2a?,3?,6?, 6a?,7?,7a?)-

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, ?,?-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-methylphenol

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

Diphenylamine

122-39-4

Benzenamine, N-phenyl-

Disulfoton

298-04-4

Phosphorodithioic acid, 0,0-diethyl S-[2-(ethylthio)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-hexahydro-, 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?,5a?, 6?,9?,9a?)-

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-, (1a?, 2?,2a?,3?,6?, 6a?,7?,7a?)-

Endrin aldehyde

7421-93-4

1,2,4-Methenocyclopenta[cd]pentalene-5-carboxaldehyde, 2,2a,3,3,4,7-hexachlorodecahydro-, (1?,2?, 2a?,4?,4a?,5?,6a?,6b?,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)sulfonyl]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-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-, (1a?, 1b?, 2?, 5?, 5a?, 6?, 6a?)

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?,4?,4a?, 5?,8?,8a?)-

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-pyridinyl-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-dipropylamine; 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-nitrophenyl) 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-[(ethylthio)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-propynyl)-

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; Perchloroethylene

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).
Reviser's note: The brackets and enclosed material in the text of the above section occurred in the copy filed by the agency.
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.
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Effective Date:: 11/6/2015