40 CFR Appendix Tables to Part 132, Tables to Part 132
EPA recommends that metals criteria be expressed as dissolved concentrations (see appendix A, I.A.4 for more information regarding metals criteria).
(a)
Chemical | CMC
(µg/L) |
Conversion factor (CF) |
---|---|---|
Arsenic (III) | ^{a b} 339.8 | 1.000 |
Chromium (VI) | ^{a b} 16.02 | 0.982 |
Cyanide | ^{c} 22 | n/a |
Dieldrin | ^{d} 0.24 | n/a |
Endrin | ^{d} 0.086 | n/a |
Lindane | ^{d} 0.95 | n/a |
Mercury (II) | ^{a b} 1.694 | 0.85 |
Parathion | ^{d} 0.065 | n/a |
a CMC = CMC tr.
b CMC d = (CMC tr) CF. The CMC d shall be rounded to two significant digits.
c CMC should be considered free cyanide as CN.
d CMC = CMC t.
Notes:
The term “n/a” means not applicable.
CMC is Criterion Maximum Concentration.
CMC tr is the CMC expressed as total recoverable.
CMC d is the CMC expressed as a dissolved concentration.
CMC t is the CMC expressed as a total concentration.
(b)
Chemical | mA | bA | Conversion factor (CF) |
---|---|---|---|
Cadmium ^{a b} | 1.128 | −3.6867 | 0.85 |
Chromium (III) ^{a b} | 0.819 | 3.7256 | 0.316 |
Copper ^{a b} | 0.9422 | −1.700 | 0.960 |
Nickel ^{a b} | 0.846 | 2.255 | 0.998 |
Pentachlorophenol ^{c} | 1.005 | −4.869 | n/a |
Zinc ^{a b} | 0.8473 | 0.884 | 0.978 |
a CMC tr = exp {mA [ln (hardness)] bA}.
b CMC d = (CMC tr) CF. The CMC d shall be rounded to two significant digits.
c CMC t = exp mA {[pH] bA}. The CMC t shall be rounded to two significant digits.
Notes:
The term “exp” represents the base e exponential function.
The term “n/a” means not applicable.
CMC is Criterion Maximum Concentration.
CMC tr is the CMC expressed as total recoverable.
CMC d is the CMC expressed as a dissolved concentration.
CMC t is the CMC expressed as a total concentration.
EPA recommends that metals criteria be expressed as dissolved concentrations (see appendix A, I.A.4 for more information regarding metals criteria).
(a)
Chemical | CCC
(µg/L) |
Conversion factor (CF) |
---|---|---|
Arsenic (III) | ^{a b} 147.9 | 1.000 |
Chromium (VI) | ^{a b} 10.98 | 0.962 |
Cyanide | ^{c} 5.2 | n/a |
Dieldrin | ^{d} 0.056 | n/a |
Endrin | ^{d} 0.036 | n/a |
Mercury (II) | ^{a b} 0.9081 | 0.85 |
Parathion | ^{d} 0.013 | n/a |
Selenium | ^{a b} 5 | 0.922 |
a CCC = CCC tr.
b CCC d = (CCC tr) CF. The CCC d shall be rounded to two significant digits.
c CCC should be considered free cyanide as CN.
d CCC = CCC t.
Notes:
The term “n/a” means not applicable.
CCC is Criterion Continuous Concentration.
CCC tr is the CCC expressed as total recoverable.
CCC d is the CCC expressed as a dissolved concentration.
CCC t is the CCC expressed as a total concentration.
(b)
Chemical | mc | bc | Conversion factor
(CF) |
---|---|---|---|
Cadmium ^{a b} | 0.7852 | −2.715 | 0.850 |
Chromium (III) ^{a b} | 0.819 | 0.6848 | 0.860 |
Copper ^{a b} | 0.8545 | −1.702 | 0.960 |
Nickel ^{a b} | 0.846 | 0.0584 | 0.997 |
Pentachlorophenol ^{c} | 1.005 | −5.134 | n/a |
Zinc ^{a b} | 0.8473 | 0.884 | 0.986 |
a CCC tr = exp {mc[ln (hardness)] bc}.
b CCCd = (CCC tr) (CF). The CCC d shall be rounded to two significant digits.
c CMC t = exp {mA[pH] bA}. The CMC t shall be rounded to two significant digits.
Notes:
The term “exp” represents the base e exponential function.
The term “n/a” means not applicable.
CCC is Criterion Continuous Concentration.
CCC tr is the CCC expressed as total recoverable.
CCC d is the CCC expressed as a dissolved concentration.
CCC t is the CCC expressed as a total concentration.
Table 3 - Water Quality Criteria for Protection of Human Health
Chemical | HNV (µg/L) | HCV (µg/L) | ||
---|---|---|---|---|
Drinking | Nondrinking | Drinking | Nondrinking | |
Benzene | 1.9E1 | 5.1E2 | 1.2E1 | 3.1E2 |
Chlordane | 1.4E-3 | 1.4E-3 | 2.5E-4 | 2.5E-4 |
Chlorobenzene | 4.7E2 | 3.2E3 | ||
Cyanides | 6.0E2 | 4.8E4 | ||
DDT | 2.0E-3 | 2.0E-3 | 1.5E-4 | 1.5E-4 |
Dieldrin | 4.1E-4 | 4.1E-4 | 6.5E-6 | 6.5E-6 |
2,4-Dimethylphenol | 4.5E2 | 8.7E3 | ||
2,4-Dinitrophenol | 5.5E1 | 2.8E3 | ||
Hexachlorobenzene | 4.6E-2 | 4.6E-2 | 4.5E-4 | 4.5E-4 |
Hexachloroethane | 6.0 | 7.6 | 5.3 | 6.7 |
Lindane | 4.7E-1 | 5.0E-1 | ||
Mercury ^{1} | 1.8E-3 | 1.8E-3 | ||
Methylene chloride | 1.6E3 | 9.0E4 | 4.7E1 | 2.6E3 |
2,3,7,8-TCDD | 6.7E-8 | 6.7E-8 | 8.6E-9 | 8.6E-9 |
Toluene | 5.6E3 | 5.1E4 | ||
Toxaphene | 6.8E-5 | 6.8E-5 | ||
Trichloroethylene | 2.9E1 | 3.7E2 |
1 Includes methylmercury.
Table 4 - Water Quality Criteria for Protection of Wildlife
Chemical | Criteria (µg/L) |
---|---|
DDT and metabolites | 1.1E-5 |
Mercury (including methylmercury) | 1.3E-3 |
PCBs (class) | 1.2E-4 |
2,3,7,8-TCDD | 3.1E-9 |