DIVISION 41

WATER QUALITY STANDARDS: BENEFICIAL USES, POLICIES, AND CRITERIA FOR OREGON

 

340-041-0033

Toxic Substances

 

 

TABLE 30: Aquatic Life Water Quality Criteria for Toxic Pollutants

Effective April 18, 2014

 

Aquatic Life Criteria Summary

 

The concentration for each compound listed in Table 30 is a criterion not to be exceeded in waters of the state in order to protect aquatic life. The aquatic life criteria apply to waterbodies where the protection of fish and aquatic life are the designated uses. All values are expressed as micrograms per liter (µg/L). Compounds are listed in alphabetical order with the corresponding information: the Chemical Abstract Service (CAS) number, whether there is a human health criterion for the pollutant (i.e. “y”= yes, “n” = no), and the associated aquatic life freshwater and saltwater acute and chronic criteria. Italicized pollutants are not identified as priority pollutants by EPA. Dashes in the table column indicate that there is no aquatic life criterion.

 

Unless otherwise noted in the table below, the acute criterion is the Criterion Maximum Concentration (CMC) applied as a one-hour average concentration, and the chronic criterion is the Criterion Continuous Concentration (CCC) applied as a 96-hour (4 days) average concentration. The CMC and CCC criteria should not be exceeded more than once every three years. Footnote A, associated with eleven pesticide pollutants in Table 30, describes the exception to the frequency and duration of the toxics criteria stated in this paragraph.

 

 

Table 30

 

Aquatic Life Water Quality Criteria for Toxic Pollutants

 

 

Pollutant

CAS Number

Human Health Criterion

Freshwater

(µg/L)

Saltwater

(µg/L)

    

Acute Criterion (CMC)

Chronic Criterion (CCC)

Acute Criterion (CMC)

Chronic Criterion (CCC)

1

Aldrin

309002

y

3 A

--

1.3 A

--

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

2

Alkalinity

n

--

20,000 B

--

--

B Criterion shown is the minimum (i.e. CCC in water may not be below this value in order to protect aquatic life).

3

Ammonia

7664417

n

Criteria are pH, temperature, and salmonid or sensitive coldwater species dependent-- See document USEPA January 1985 (Fresh Water).M

 

Ammonia criteria for saltwater may depend on pH and temperature. Values for saltwater criteria (total ammonia) can be calculated from the tables specified in Ambient Water Quality Criteria for Ammonia (Saltwater)--1989 (EPA 440/5-88-004;

http://water.epa.gov/scitech/swguidance/standards/criteria/current/index.cfm)

M See expanded endnote M equations at bottom of Table 30 to calculate freshwater ammonia criteria

4

Arsenic

7440382

y

340 C, D

150 C, D

69 C, D

36 C, D

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

D Criterion is applied as total inorganic arsenic (i.e. arsenic (III) + arsenic (V)).

5

BHC Gamma (Lindane)

58899

y

0.95

0.08 A

0.16 A

--

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

6

Cadmium

7440439

n

See E

See C, F

40 C

8.8 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

E The freshwater criterion for this metal is expressed as “total recoverable” and is a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote E at bottom of Table 30.

F The freshwater criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

7

Chlordane

57749

y

2.4 A

0.0043 A

0.09 A

0.004 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

8

Chloride

16887006

n

860,000

230,000

--

--

9

Chlorine

7782505

n

19

11

13

7.5

10

Chlorpyrifos

2921882

n

0.083

0.041

0.011

0.0056

11

Chromium III

16065831

n

See C, F

See C, F

--

--

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

F The freshwater criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

12

Chromium VI

18540299

n

16 C

11 C

1100C

50C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

13

Copper

7440508

y

See E

See E

4.8 C

3.1 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

E The freshwater criterion for this metal is expressed as “total recoverable” and is a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote E at bottom of Table 30.

14

Cyanide

57125

y

22 J

5.2 J

1 J

1 J

J This criterion is expressed as µg free cyanide (CN)/L.

15

DDT 4,4'

50293

y

1.1 A , G

0.001 A, G

0.13 A, G

0.001 A, G

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

G This criterion applies to DDT and its metabolites (i.e. the total concentration of DDT and its metabolites should not exceed this value).

16

Demeton

8065483

n

--

0.1

--

0.1

17

Dieldrin

60571

y

0.24

0.056

0.71A

0.0019A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

18

Endosulfan

115297

n

0.22 A , H

0.056 A , H

0.034 A , H

0.0087 A, H

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

H This value is based on the criterion published in Ambient Water Quality Criteria for Endosulfan (EPA 440/5-80-046) and should be applied as the sum of alpha- and beta-endosulfan.

19

Endosulfan Alpha

959988

y

0.22 A

0.056 A

0.034 A

0.0087 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

20

Endosulfan Beta

33213659

y

0.22 A

0.056 A

0.034 A

0.0087 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

21

Endrin

72208

y

0.086

0.036

0.037 A

0.0023 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

22

Guthion

86500

n

--

0.01

--

0.01

23

Heptachlor

76448

y

0.52 A

0.0038 A

0.053 A

0.0036 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

24

Heptachlor Epoxide

1024573

y

0.52 A

0.0038 A

0.053 A

0.0036 A

A See expanded endnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

25

Iron (total)

7439896

n

--

1000

--

--

26

Lead

7439921

n

See C , F

See C , F

210 C

8.1 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

F The freshwater criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

27

Malathion

121755

n

--

0.1

--

0.1

28

Mercury (total)

7439976

n

2.4

0.012

2.1

0.025

29

Methoxychlor

72435

y

--

0.03

--

0.03

30

Mirex

2385855

n

--

0.001

--

0.001

31

Nickel

7440020

y

See C , F

See C , F

74 C

8.2 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

F The freshwater criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

32

Parathion

56382

n

0.065

0.013

--

--

33

Pentachlorophenol

87865

y

See H

See H

13

7.9

H Freshwater aquatic life values for pentachlorophenol are expressed as a function of pH, and are calculated as follows: CMC=(exp(1.005(pH)-4.869); CCC=exp(1.005(pH)-5.134).

34

Phosphorus Elemental

7723140

n

--

--

--

0.1

35

Polychlorinated Biphenyls (PCBs)

NA 

y

2 K

0.014 K

10 K

0.03 K

K This criterion applies to total PCBs (e.g. determined as Aroclors or congeners)

36

Selenium

7782492

y

See C , L

4.6 C

290 C

71 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

L The CMC=(1/[(f1/CMC1)+(f2/CMC2)]µg/L) * CF where f1 and f2 are the fractions of total selenium that are treated as selenite and selenate, respectively,and CMC1 and CMC2 are 185.9 μg/L and 12.82 μg/L, respectively. See expanded endnote F for the Conversion Factor (CF) for selenium.

37

Silver

7440224

n

See C , F

0.10 C

1.9 C

--

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

F The freshwater acute criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

38

Sulfide Hydrogen Sulfide

7783064

n

--

2

--

2

39

Toxaphene

8001352

y

0.73

0.0002

0.21

0.0002

40

Tributyltin (TBT)

688733

n

0.46

0.063

0.37

0.01

41

Zinc

7440666

y

See C , F

See C , F

90 C

81 C

C Criterion is expressed in terms of “dissolved” concentrations in the water column.

F The freshwater criterion for this metal is expressed as a function of hardness (mg/L) in the water column. To calculate the criterion, use formula under expanded endnote F at bottom of Table 30.

 

 

 

 

 

Expanded Endnotes A, E, F, M

 

 

 

Endnote A: Alternate Frequency and Duration for Certain Pesticides

This criterion is based on EPA recommendations issued in 1980 that were derived using guidelines that differed from EPA's 1985 Guidelines which update minimum data requirements and derivation procedures. The CMC may not be exceeded at any time and the CCC may not be exceeded based on a 24-hour average. The CMC may be applied using a one hour averaging period not to be exceeded more than once every three years, if the CMC values given in Table 30 are divided by 2 to obtain a value that is more comparable to a CMC derived using the 1985 Guidelines.

Endnote E: Equations for Hardness-Dependent Freshwater Metals Criteria for Cadmium Acute and Copper Acute and Chronic Criteria

The freshwater criterion for this metal is expressed as total recoverable with two significant figures, and is a function of hardness (mg/L) in the water column. Criteria values for hardness are calculated using the following formulas (CMC refers to the acute criterion; CCC refers to the chronic criterion):

CMC = (exp(mA*[ln(hardness)] + bA))

CCC = (exp(mC*[ln(hardness)] + bC))

Chemical

mA

bA

mC

bC

Cadmium

1.128

-3.828

N/A

N/A

Copper

0.9422

-1.464

0.8545

-1.465

 

 

 

 

 

 

Endnote F: Equations for Hardness-Dependent Freshwater Metals Criteria and Conversion Factor Table

The freshwater criterion for this metal is expressed as dissolved with two significant figures, and is a function of hardness (mg/L) in the water column. Criteria values for hardness are calculated using the following formulas (CMC refers to the acute criterion; CCC refers to the chronic criterion):

         CMC = (exp(mA*[ln(hardness)] + bA))*CF

         CCC = (exp(mC*[ln(hardness)] + bC))*CF

“CF” is the conversion factor used for converting a metal criterion expressed as the total recoverable fraction in the water column to a criterion expressed as the dissolved fraction in the water column.

Chemical

mA

bA

mC

bC

Cadmium

N/A

N/A

0.7409

-4.719

Chromium III

0.8190

3.7256

0.8190

0.6848

Lead

1.273

-1.460

1.273

-4.705

Nickel

0.8460

2.255

0.8460

0.0584

Silver

1.72

-6.59

--

--

Zinc

0.8473

0.884

0.8473

0.884

 

 

The conversion factors (CF) below must be used in the equations above for the hardness-dependent metals in order to convert total recoverable metals criteria to dissolved metals criteria. For metals that are not hardness-dependent (i.e. arsenic, chromium VI, selenium, and silver (chronic)), or are saltwater criteria, the criterion value associated with the metal in Table 30 already reflects a dissolved criterion based on its conversion factor below.

 

 

 

 

 

 

 

 

 

 

 

 

Conversion Factor (CF) Table for Dissolved Metals

Chemical

Freshwater

Saltwater

 

Acute

Chronic

Acute

Chronic

Arsenic

1.000

1.000

1.000

1.000

Cadmium

N/A

1.101672-[(ln hardness)(0.041838)]

0.994

0.994

Chromium III

0.316

0.860

--

--

Chromium VI

0.982

0.962

0.993

0.993

Copper

N/A

N/A

0.83

0.83

Lead

1.46203-[(ln hardness)(0.145712)]

1.46203-[(ln hardness)(0.145712)]

0.951

0.951

Nickel

0.998

0.997

0.990

0.990

Selenium

0.996

0.922

0.998

0.998

Silver

0.85

0.85

0.85

--

Zinc

0.978

0.986

0.946

0.946

 

 

Endnote M: Equations for Freshwater Ammonia Calculations

Acute Criterion

The 1-hour average concentration of un-ionized ammonia (mg/L NH3) may not exceed more often than once every three years on average, the numerical value given by:

 

CMCNH3 = 0.52/FT/FPH/2 where:

 

FT = temperature adjustment factor

FPH = pH adjustment factor

TCAP = temperature cap

 

FT = 10 0.03(20-TCAP);  TCAP ≤ T ≤ 30˚ C

FT = 10 0.03(20-T);  0 ≤ T ≤ TCAP

FPH = 1    8≤ pH ≤ 9

FPH = 1 + 10  7.4-pH  6.5 ≤ pH ≤ 8

1.25

 

TCAP = 20 ˚C; Salmonids and other sensitive coldwater species present

TCAP = 25 ˚C; Salmonids and other sensitive coldwater species absent

Chronic Criterion

The 4-day average concentration of un-ionized ammonia (mg/L NH3) may not exceed more often than once every three years on average, the average numerical value given by:

 

CCCNH3 = 0.80/FT/FPH/RATIO

 

where FT and FPH are as above for acute criterion and:

 

 

RATIO = 16       where 7.7 ≤ pH ≤ 9

 

RATIO = 24 x 107.7 – pH where 6.5≤ pH ≤ 7.7

1 + 10 7.4 - pH  

 

 

TCAP = 15 ˚C; Salmonids and other sensitive coldwater species present

TCAP = 20 ˚C; Salmonids and other sensitive coldwater species absent

 

 

 

 

 

 

 

 

TABLE 31: Aquatic Life Water Quality Guidance Values for Toxic Pollutants

Effective April 18, 2014

 

Water Quality Guidance Values Summary A

 

The concentration for each compound listed in Table 31 is a guidance value that can be used in application of Oregon’s Toxic Substances Narrative (340-041-0033(2)) to waters of the state in order to protect aquatic life. All values are expressed as micrograms per liter (µg/L) except where noted. Compounds are listed in alphabetical order with the corresponding EPA number (from National Recommended Water Quality Criteria: 2002, EPA-822-R-02-047), corresponding Chemical Abstract Service (CAS) number, aquatic life freshwater acute and chronic guidance values, and aquatic life saltwater acute and chronic guidance values.

 

 

Table 31

 

Aquatic Life Water Quality Guidance Values for Toxic Pollutants

EPA No.

Pollutant

CAS Number

Freshwater

Saltwater

   

Acute

Chronic

Acute

Chronic

56

Acenaphthene

83329

1,700

520

970

710

17

Acrolein

107028

68

21

55

 

18

Acrylonitrile

107131

7,550

2,600

 

 

1

Antimony

7440360

9,000

1,600

 

 

19

Benzene

71432

5,300

 

5,100

700

59

Benzidine

92875

2,500

 

 

 

3

Beryllium

7440417

130

5.3

 

 

19 B

BHC (Hexachlorocyclohexane-Technical)

319868

100

 

0.34

 

21

Carbon Tetrachloride

56235

35,200

 

50,000

 

 

Chlorinated Benzenes

 

250

50

160

129

 

Chlorinated naphthalenes

 

1,600

 

7.5

 

 

Chloroalkyl Ethers

 

238,000

 

 

 

26

Chloroform

67663

28,900

1,240

 

 

45

Chlorophenol 2-

95578

4,380

2,000

 

 

 

Chlorophenol 4-

106489

 

 

29,700

 

52

Methyl-4-chlorophenol 3-

59507

30

 

 

 

5a

Chromium (III)

16065831

 

 

10,300

 

109

DDE 4,4'-

72559

1,050

 

14

 

110

DDD 4,4'-

72548

0.06

 

3.6

 

 

Diazinon

333415

0.08

0.05

 

 

 

Dichlorobenzenes

 

1,120

763

1,970

 

29

Dichloroethane 1,2-

107062

118,000

20,000

113,000

 

 

Dichloroethylenes

 

11,600

 

224,000

 

46

Dichlorophenol 2,4-

120832

2,020

365

 

 

31

Dichloropropane 1,2-

78875

23,000

5,700

10,300

3,040

32

Dichloropropene 1,3-

542756

6,060

244

790

 

47

Dimethylphenol 2,4-

105679

2,120

 

 

 

 

Dinitrotoluene

 

330

230

590

370

16

Dioxin (2,3,7,8-TCDD)

1746016

0.01

38 pg/L

 

 

85

Diphenylhydrazine 1,2-

122667

270

 

 

 

33

Ethylbenzene

100414

32,000

 

430

 

86

Fluoranthene

206440

3,980

 

40

16

 

Haloethers

 

360

122

 

 

 

Halomethanes

 

11,000

 

12,000

6,400

89

Hexachlorobutadiene

87683

90

9.3

32

 

90

Hexachlorocyclopentadiene

77474

7

5.2

7

 

91

Hexachloroethane

67721

980

540

940

 

93

Isophorone

78591

117,000

 

12,900

 

94

Naphthalene

91203

2,300

620

2,350

 

95

Nitrobenzene

98953

27,000

 

6,680

 

 

Nitrophenols

 

230

150

4,850

 

26 B

Nitrosamines

35576911

5,850

 

3,300,000

 

 

Pentachlorinated ethanes

 

7,240

1,100

390

281

54

Phenol

108952

10,200

2,560

5,800

 

 

Phthalate esters

 

940

3

2,944

3.4

 

Polynuclear Aromatic Hydrocarbons

 

 

 

300

 

 

Tetrachlorinated Ethanes

 

9,320

 

 

 

37

Tetrachloroethane 1,1,2,2-

79345

 

2,400

9,020

 

 

Tetrachloroethanes

 

9,320

 

 

 

38

Tetrachloroethylene

127184

5,280

840

10,200

450

 

Tetrachlorophenol 2,3,5,6

 

 

 

 

440

12

Thallium

7440280

1,400

40

2,130

 

39

Toluene

108883

17,500

 

6,300

5,000

 

Trichlorinated ethanes

 

18,000

 

 

 

41

Trichloroethane 1,1,1-

71556

 

 

31,200

 

42

Trichloroethane 1,1,2-

79005

 

9,400

 

 

43

Trichloroethylene

79016

45,000

21,900

2,000

 

55

Trichlorophenol 2,4,6-

88062

 

970

 

 

 

 

The following chemicals/compounds/classes are of concern due to the potential for toxic effects to aquatic organisms; however, no guidance values are designated. If these compounds are identified in the waste stream, then a review of the scientific literature may be appropriate for deriving guidance values.

❑  Polybrominated diphenyl ethers (PBDE)

❑  Polybrominated biphenyls (PBB)

❑  Pharmaceuticals

❑  Personal care products

❑  Alkyl Phenols

❑  Other chemicals with Toxic effects

 

Footnotes:

A  Values in Table 31 are applicable to all basins.

B  This number was assigned to the list of non-priority pollutants in National Recommended Water Quality Criteria: 2002 (EPA-822-R-02-047).

 

 

TABLE 40: Human Health Water Quality Criteria for Toxic Pollutants

Effective April 18, 2014

 

Human Health Criteria Summary

 

The concentration for each pollutant listed in Table 40 was derived to protect Oregonians from potential adverse health impacts associated with long-term exposure to toxic substances associated with consumption of fish, shellfish, and water. The “organism only” criteria are established to protect fish and shellfish consumption and apply to waters of the state designated for fishing. The “water + organism” criteria are established to protect the consumption of drinking water, fish, and shellfish, and apply where both fishing and domestic water supply (public and private) are designated uses. All criteria are expressed as micrograms per liter (µg/L), unless otherwise noted. Pollutants are listed in alphabetical order. Additional information includes the Chemical Abstract Service (CAS) number, whether the criterion is based on carcinogenic effects (can cause cancer in humans), and whether there is an aquatic life criterion for the pollutant (i.e. “y”= yes, “n” = no). All the human health criteria were calculated using a fish consumption rate of 175 grams per day unless otherwise noted. A fish consumption rate of 175 grams per day is approximately equal to 23 8-ounce fish meals per month. For pollutants categorized as carcinogens, values represent a cancer risk of one additional case of cancer in one million people (i.e. 10-6), unless otherwise noted. All metals criteria are for total metal concentration, unless otherwise noted. Italicized pollutants represent non-priority pollutants. The human health criteria revisions established by OAR 340-041-0033 and shown in Table 40 do not become applicable for purposes of ORS chapter 468B or the federal Clean Water Act until approved by EPA pursuant to 40 CFR 131.21 (4/27/2000).

 

 

Table 40

 

Human Health Water Quality Criteria for Toxic Pollutants

 

No.

Pollutant

CAS Number

Carcinogen

Aquatic Life Criterion

Human Health Criteria for the Consumption of:

     

Water + Organism (µg/L)

Organism Only (µg/L)

1

Acenaphthene

83329

n

n

95

99

2

Acrolein

107028

n

n

0.88

0.93

3

Acrylonitrile

107131

y

n

0.018

0.025

4

Aldrin

309002

y

y

0.0000050

0.0000050

5

Anthracene

120127

n

n

2900

4000

6

Antimony

7440360

n

n

5.1

64

7

Arsenic (inorganic) A

7440382

y

y

2.1

2.1(freshwater)

1.0 (saltwater)

A The arsenic criteria are expressed as total inorganic arsenic. The “organism only” freshwater criterion is based on a risk level of approximately 1 x 10-5, and the “water + organism” criterion is based on a risk level of 1 x 10-4.

8

Asbestos B

1332214

y

n

7,000,000 fibers/L

--

B The human health risks from asbestos are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

9

Barium C

7440393

n

n

1000

--

C The human health criterion for barium is the same as originally published in the 1976 EPA Red Book which predates the 1980 methodology and did not utilize the fish ingestion BCF approach. This same criterion value was also published in the 1986 EPA Gold Book. Human health risks are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

10

Benzene

71432

y

n

0.44

1.4

11

Benzidine

92875

y

n

0.000018

0.000020

12

Benz(a)anthracene

56553

y

n

0.0013

0.0018

13

Benzo(a)pyrene

50328

y

n

0.0013

0.0018

14

Benzo(b)fluoranthene 3,4

205992

y

n

0.0013

0.0018

15

Benzo(k)fluoranthene

207089

y

n

0.0013

0.0018

16

BHC Alpha

319846

y

n

0.00045

0.00049

17

BHC Beta

319857

y

n

0.0016

0.0017

18

BHC Gamma (Lindane)

58899

n

y

0.17

0.18

19

Bromoform

75252

y

n

3.3

14

20

Butylbenzyl Phthalate

85687

n

n

190

190

21

Carbon Tetrachloride

56235

y

n

0.10

0.16

22

Chlordane

57749

y

y

0.000081

0.000081

23

Chlorobenzene

108907

n

n

74

160

24

Chlorodibromomethane

124481

y

n

0.31

1.3

25

Chloroethyl Ether bis 2

111444

y

n

0.020

0.053

26

Chloroform

67663

n

n

260

1100

27

Chloroisopropyl Ether bis 2

108601

n

n

1200

6500

28

Chloromethyl ether, bis

542881

y

n

0.000024

0.000029

29

Chloronaphthalene 2

91587

n

n

150

160

30

Chlorophenol 2

95578

n

n

14

15

31

Chlorophenoxy Herbicide (2,4,5,-TP) D

93721

n

n

10

--

D The Chlorophenoxy Herbicide (2,4,5,-TP) criterion is the same as originally published in the 1976 EPA Red Book which predates the 1980 methodology and did not utilize the fish ingestion BCF approach. This same criterion value was also published in the 1986 EPA Gold Book. Human health risks are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

32

Chlorophenoxy Herbicide (2,4-D) E

94757

n

n

100

--

E The Chlorophenoxy Herbicide (2,4-D) criterion is the same as originally published in the 1976 EPA Red Book which predates the 1980 methodology and did not utilize the fish ingestion BCF approach. This same criterion value was also published in the 1986 EPA Gold Book. Human health risks are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

33

Chrysene

218019

y

n

0.0013

0.0018

34

Copper F

7440508

n

y

1300

--

F Human health risks from copper are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

35

Cyanide G

57125

n

y

130

130

G The cyanide criterion is expressed as total cyanide (CN)/L.

36

DDD 4,4'

72548

y

n

0.000031

0.000031

37

DDE 4,4'

72559

y

n

0.000022

0.000022

38

DDT 4,4'

50293

y

y

0.000022

0.000022

39

Dibenz(a,h)anthracene

53703

y

n

0.0013

0.0018

40

Dichlorobenzene(m) 1,3

541731

n

n

80

96

41

Dichlorobenzene(o) 1,2

95501

n

n

110

130

42

Dichlorobenzene(p) 1,4

106467

n

n

16

19

43

Dichlorobenzidine 3,3'

91941

y

n

0.0027

0.0028

44

Dichlorobromomethane

75274

y

n

0.42

1.7

45

Dichloroethane 1,2

107062

y

n

0.35

3.7

46

Dichloroethylene 1,1

75354

n

n

230

710

47

Dichloroethylene trans 1,2

156605

n

n

120

1000

48

Dichlorophenol 2,4

120832

n

n

23

29

49

Dichloropropane 1,2

78875

y

n

0.38

1.5

50

Dichloropropene 1,3

542756

y

n

0.30

2.1

51

Dieldrin

60571

y

y

0.0000053

0.0000054

52

Diethyl Phthalate

84662

n

n

3800

4400

53

Dimethyl Phthalate

131113

n

n

84000

110000

54

Dimethylphenol 2,4

105679

n

n

76

85

55

Di-n-butyl Phthalate

84742

n

n

400

450

56

Dinitrophenol 2,4

51285

n

n

62

530

57

Dinitrophenols

25550587

n

n

62

530

58

Dinitrotoluene 2,4

121142

y

n

0.084

0.34

59

Dioxin (2,3,7,8-TCDD)

1746016

y

n

0.00000000051

0.00000000051

60

Diphenylhydrazine 1,2

122667

y

n

0.014

0.020

61

Endosulfan Alpha

959988

n

y

8.5

8.9

62

Endosulfan Beta

33213659

n

y

8.5

8.9

63

Endosulfan Sulfate

1031078

n

n

8.5

8.9

64

Endrin

72208

n

y

0.024

0.024

65

Endrin Aldehyde

7421934

n

n

0.030

0.030

66

Ethylbenzene

100414

n

n

160

210

67

Ethylhexyl Phthalate bis 2

117817

y

n

0.20

0.22

68

Fluoranthene

206440

n

n

14

14

69

Fluorene

86737

n

n

390

530

70

Heptachlor

76448

y

y

0.0000079

0.0000079

71

Heptachlor Epoxide

1024573

y

y

0.0000039

0.0000039

72

Hexachlorobenzene

118741

y

n

0.000029

0.000029

73

Hexachlorobutadiene

87683

y

n

0.36

1.8

74

Hexachlorocyclo-hexane-Technical

608731

y

n

0.0014

0.0015

75

Hexachlorocyclopentadiene

77474

n

n

30

110

76

Hexachloroethane

67721

y

n

0.29

0.33

77

Indeno(1,2,3-cd)pyrene

193395

y

n

0.0013

0.0018

78

Isophorone

78591

y

n

27

96

79

Manganese H

7439965

n

--

100

H The “fish consumption only” criterion for manganese applies only to salt water and is for total manganese. This EPA recommended criterion predates the 1980 human health methodology and does not utilize the fish ingestion BCF calculation method or a fish consumption rate.

80

Methoxychlor I

72435

n

y

100

--

I The human health criterion for methoxychlor is the same as originally published in the 1976 EPA Red Book which predates the 1980 methodology and did not utilize the fish ingestion BCF approach. This same criterion value was also published in the1986 EPA Gold Book. Human health risks are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

81

Methyl Bromide

74839

n

n

37

150

82

Methyl-4,6-dinitrophenol 2

534521

n

n

9.2

28

83

Methylene Chloride

75092

y

n

4.3

59

84

Methylmercury (mg/kg) J

22967926

n

n

--

0.040 mg/kg

J This value is expressed as the fish tissue concentration of methylmercury. Contaminated fish and shellfish is the primary human route of exposure to methylmercury.

85

Nickel

7440020

n

y

140

170

86

Nitrates K

14797558

n

n

10000

--

K The human health criterion for nitrates is the same as originally published in the 1976 EPA Red Book which predates the 1980 methodology and did not utilize the fish ingestion BCF approach. This same criterion value was also published in the 1986 EPA Gold Book. Human health risks are primarily from drinking water, therefore no “organism only” criterion was developed. The “water + organism” criterion is based on the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act.

87

Nitrobenzene

98953

n

n

14

69

88

Nitrosamines

35576911

y

n

0.00079

0.046

89

Nitrosodibutylamine, N

924163

y

n

0.0050

0.022

90

Nitrosodiethylamine, N

55185

y

n

0.00079

0.046

91

Nitrosodimethylamine, N

62759

y

n

0.00068

0.30

92

Nitrosodi-n-propylamine, N

621647

y

n

0.0046

0.051

93

Nitrosodiphenylamine, N

86306

y

n

0.55

0.60

94

Nitrosopyrrolidine, N

930552

y

n

0.016

3.4

95

Pentachlorobenzene

608935

n

n

0.15

0.15

96

Pentachlorophenol

87865

y

y

0.15

0.30

97

Phenol

108952

n

n

9400

86000

98

Polychlorinated Biphenyls (PCBs) L

NA 

y

y

0.0000064

0.0000064

L This criterion applies to total PCBs (e.g. determined as Aroclors or congeners).

99

Pyrene

129000

n

n

290

400

100

Selenium

7782492

n

y

120

420

101

Tetrachlorobenzene, 1,2,4,5-

95943

n

n

0.11

0.11

102

Tetrachloroethane 1,1,2,2

79345

y

n

0.12

0.40

103

Tetrachloroethylene

127184

y

n

0.24

0.33

104

Thallium

7440280

n

n

0.043

0.047

105

Toluene

108883

n

n

720

1500

106

Toxaphene

8001352

y

y

0.000028

0.000028

107

Trichlorobenzene 1,2,4

120821

n

n

6.4

7.0

108

Trichloroethane 1,1,2

79005

y

n

0.44

1.6

109

Trichloroethylene

79016

y

n

1.4

3.0

110

Trichlorophenol 2,4,6

88062

y

n

0.23

0.24

111

Trichlorophenol, 2, 4, 5-

95954

n

n

330

360

112

Vinyl Chloride

75014

y

n

0.023

0.24

113

Zinc

7440666

n

y

2100

2600