Table 30

Aquatic Life Water Quality Criteria for Toxic Pollutants

Pollutant

CAS No.

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 footnote 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 life stage 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 footnote M equations at bottom of Table 30 to calculate freshwater ammonia criteria

4

Arsenic

y

340 ^{C, D}

150 ^{C, D}

69 ^{C, D}

36 ^{C, D}

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

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

5

BHC Gamma (Lindane)

58899

y

0.95

0.08 ^A

0.16 ^A

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

6

Cadmium

7440439

n

3.9 ^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 a function of hardness (mg/L) in the water column. The value given here corresponds to a hardness of 100 mg/L. To calculate the criterion based on other hardness values, use formula under expanded Footnote 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 Footnote 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 footnote 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 VI

18540299

n

16 ^C

11 ^C

1100 ^C

50 ^C

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

12

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 Footnote F at bottom of Table 30.

13

Copper

7440508

y

18 ^E

12 ^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 a function of hardness (mg/L) in the water column. The value given here corresponds to a hardness of 100 mg/L. To calculate the criterion based on other hardness values, use formula under expanded Footnote 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 footnote A at bottom of Table 30 for alternate frequency and duration of this criterion.

16

Demeton

8065483

n

–

0.1

–

0.1

17

Dieldrin

60571

y

0.24

0.056

0.71 ^A

0.0019 ^A

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

19

Endosulfan Alpha

959988

y

0.22 ^A

0.056 ^A

0.034 ^A

0.0087 ^A

^A See expanded footnote 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 footnote 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 footnote 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 footnote 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 footnote 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 Footnote 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 Footnote 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 footnote 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 Footnote 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 Footnote F at bottom of Table 30.

Chemical

m_A

b_A

m_C

b_C

Cadmium

1.128

-3.828

N/A

N/A

Copper

0.9422

-1.464

0.8545

-1.465

Chemical

m_A

b_A

m_C

b_C

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

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