APPENDIX A-1b 

CHEMICAL AND PHYSICAL PROPERTIES AND 

TOXICITY REFERENCE LEVELS
 
TABLE A-1b-1
 

CHEMICAL-SPECIFIC INPUTS FOR 

ACENAPTHYLENE (208-96-8)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 152.20 

Tm (K) CRC Handbook (1995) 365.65 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was cited from CRC Handbook (1995). 8.29E-05 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.39E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.53E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.55E-01 

t t value was obtained from U.S. EPA (1992b). 7.42E-01 

t* t* value was obtained from U.S. EPA (1992b). 6.23E+00 

B B value was obtained from U.S. EPA (1992b). 1.00E+00 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-- ND 

BAFfish (L/kg FW) -­ ND 

A-3-2
 
TABLE A-1b-1
 

CHEMICAL-SPECIFIC INPUTS FOR 

ACENAPTHYLENE (208-96-8)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 6.00E-02 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.1E-01 

Inhalation CSF 

(mg/kg/day)-1 

U.S. EPA (1997c) ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-3
 
 

 

TABLE A-1b-2
 

CHEMICAL-SPECIFIC INPUTS FOR 

ACRYLAMIDE (79-06-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 71.08 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 357.65 

Vp (atm) Vp value cited in U.S. EPA (1995g) 9.20E-06 

S (g/100ml H2O) Geometric mean value cited in U.S. EPA (1994c). 2.15E+02 

H (atm@m3/mol) H value cited in U.S. EPA (1995g) 3.00E-10 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.70E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.06E-05 

Kow (unitless) -­ 1.10E-01 

Koc (mL/g) -­ 1.10E-01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.10E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

9.00E-03 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.50E-04 

t t value was obtained from U.S. EPA (1992b). 2.40E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.70E-01 

B B value was obtained from U.S. EPA (1992b). 1.10E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.70E-02 

BAFfish (L/kg FW) -- NA 

A-3-4
 
TABLE A-1b-2
 

CHEMICAL-SPECIFIC INPUTS FOR 

ACRYLAMIDE (79-06-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 2.00E-04 

Oral CSF (mg/kg/day)-1 U.S.EPA (1997b) 4.50E+00 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

7.00E-04 

Inhalation CSF 

(mg/kg/day)-1 

U.S.EPA (1997b) 4.55E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-5
 
 

 

 

TABLE A-1b-3
 

CHEMICAL-SPECIFIC INPUTS FOR 

ALLYL CHLORIDE (107-05-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Montgomery and Welkom (1991) 76.53 

Tm (K) Montgomery and Welkom (1991) 138.65 

Vp (atm) Vp value cited in U.S. EPA (1995g). 4.80E-01 

S (mg/L) S value cited in U.S. EPA (1995g). 3.40E+03 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g) 1.10E-02 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.17E-01 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.08E-05 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.80E+01 

Koc (mL/g) Kcw value cited in U.S. EPA (1995g). 2.70E+01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.70E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.02E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 7.00E-03 

t t value was obtained from U.S. EPA (1992b). 2.60E-01 

t* t* value was obtained from U.S. EPA (1992b). 6.20E-01 

B B value was obtained from U.S. EPA (1992b). 2.80E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

3.70E+00 

BAFfish (L/kg FW) -­ NA 

A-3-6
 
 

TABLE A-1b-3
 

CHEMICAL-SPECIFIC INPUTS FOR 

ALLYL CHLORIDE (107-05-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) Calculated from RfD using an inhalation rate of 20 m3

/day and a human body 

weight of 70 kg. 

2.86E-04 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) -­ 1.0E-03 

Inhalation 1

 CSF 

(mg/kg/day)­

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-7
 
 

 

 

 

TABLE A-1b-4
 

CHEMICAL-SPECIFIC INPUTS FOR 

BENZIDINE (92-87-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 184.23 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 390.65 

Vp (atm) -­ ND 

S (g/2500ml) Geometric mean value cited in U.S. EPA (1994c). 1.0 

H (atm@m3/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 3.88E-11 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.50E-05 

Kow (unitless) -­ 4.60E+01 

Koc (mL/g) -- 4.30E+01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.30E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.22E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.20E-03 

t t value was obtained from U.S. EPA (1992b). 1.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.80E+00 

B B value was obtained from U.S. EPA (1992b). 4.60E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

3.00E+00 

BAFfish (L/kg FW) -- NA 

A-3-8
 
TABLE A-1b-4
 

CHEMICAL-SPECIFIC INPUTS FOR 

BENZIDINE (92-87-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 3.00E-03 

Oral CSF (mg/kg/day)-1 -­ 2.30E+02 

RfC (mg/m3) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.10E-02 

Inhalation CSF 

(mg/kg/day)-1 

-­ 2.35E+02 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1995f) 2.5E+01 

Note: NA = Not applicable, ND = No data available 

A-3-9
 
 

TABLE A-1b-5
 

CHEMICAL-SPECIFIC INPUTS FOR 

BENZO(GHI)PERYLENE (191-24-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 276.34 

Tm (o

K) -­ ND 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value is assumed to be zero, because the Vp and S values are zero for all 

metals, except mercury. 

7.40229E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database in U.S. EPA (1994f). 2.01E-02 

Dw (cm2

/s) DW value was obtained from CHEMDAT8 database in U.S. EPA (1994f). 5.26E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (mL/g) -- ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.62E+00 

t t value was obtained from U.S. EPA (1992b). 4.24E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.00E+01 

B B value was obtained from U.S. EPA (1992b). 3.16E+02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-10
 
TABLE A-1b-5
 

CHEMICAL-SPECIFIC INPUTS FOR 

BENZO(GHI)PERYLENE (191-24-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-11
 
 

 

TABLE A-1b-6
 

CHEMICAL-SPECIFIC INPUTS FOR 

BIS-(2-CHLOROETHOXY) METHANE (111-91-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Montgomery and Welkom (1990) 173.04 

Tm (o

K) Montgomery and Welkom (1990) 240.35 

Vp (1mm @53 o

C) Montgomery and Welkom (1990) 1.0 

S (mg/L@ 25 oC) All metals, except mercury, are assumed to be insoluble in water. 81,000.00 

H (atm@m3/mol) U.S. EPA (1998c) 3.78E-07 

Da (cm2

/s) Da value was calculated using the equation cited in U.S. EPA (1996a). 3.20E-02 

Dw (cm2/s) Dw value was calculated using the equation cited in U.S. EPA (1996a). 8.46E-06 

Kow (unitless) Montgomery and Welkom (1990) 1.82E+01 

Koc (mL/g) Montgomery and Welkom (1990) 1.14E+02 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.14E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

8.55E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 131E-03 

t t value was obtained from U.S. EPA (1992b). 9.95E-01 

t* t* value was obtained from U.S. EPA (1992b). 2.39E+00 

B B value was obtained from U.S. EPA (1992b). 1.82E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-- ND 

BAFfish (L/kg FW) -­ ND 

A-3-12
 
TABLE A-1b-6
 

CHEMICAL-SPECIFIC INPUTS FOR 

BIS-(2-CHLOROETHOXY) METHANE (111-91-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-13
 
 

 

 

 

TABLE A-1b-7
 

CHEMICAL-SPECIFIC INPUTS FOR 

BUTANOL (71-36-3)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) U.S. EPA (1995g) 74.12 

Tm (K) --

Vp (atm) U.S. EPA (1995g) 8.60E-03 

S (mg/L) U.S. EPA (1995g) 7.50E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 8.81E-06 

Da (cm2

/s) U.S. EPA (1995g) 8.00E-02 

Dw (cm2/s) U.S. EPA (1995g) 9.30E-06 

Kow (unitless) U.S. EPA (1995g) 6.30E+00 

Koc (mL/g) U.S. EPA (1995g) 6.10E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

6.10E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.58E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.50E-03 

t t value was obtained from U.S. EPA (1992b). 2.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.90E-01 

B B value was obtained from U.S. EPA (1992b). 6.30E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.20E+00 

BAFfish (L/kg FW) -­ NA 

A-3-14
 
TABLE A-1b-7
 

CHEMICAL-SPECIFIC INPUTS FOR 

BUTANOL (71-36-3)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 1.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

3.50E-01 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-15
 
 

 

 

TABLE A-1b-8
 

CHEMICAL-SPECIFIC INPUTS FOR 

BUTYL-4,6-DINITROPHENOL, 2-SEC (DINOSEB) (88-85-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 240.22 

Tm (K) U.S. EPA (1995b) 311.15 to 

414.15 

Vp (atm) U.S. EPA (1995g) 9.90E-05 

S (mg/L) U.S. EPA (1995g) 5.20E+01 

H (atm@m3

/mol) U.S. EPA (1995g) 4.56E-07 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) U.S. EPA (1995g) 1.40E+03 

Koc (mL/g) U.S. EPA (1995g) 1.20E+02 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.20E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

9.00E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 2.60E+00 

t* t* value was obtained from U.S. EPA (1992b). 8.30E+00 

B B value was obtained from U.S. EPA (1992b). 1.40E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

8.00E+01 

BAFfish (L/kg FW) -­ NA 

A-3-16
 
TABLE A-1b-8
 

CHEMICAL-SPECIFIC INPUTS FOR 

BUTYL-4,6-DINITROPHENOL, 2-SEC (DINOSEB) (88-85-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 1.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

3.50E-03 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-17
 
 

 

 

 

TABLE A-1b-9 

CHEMICAL-SPECIFIC INPUTS FOR 

2-CHLORO-1,3-BUTADIENE (CHLOROPRENE) (126-99-8) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) U.S. EPA (1995g) 88.54 

Tm (K) --

Vp (atm) U.S. EPA (1995g) 2.80E-01 

S (mg/L) U.S. EPA (1995g) 6.30E+02 

H (atm@m3

/mol) -­ ND 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 1.04E-01 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 1.00E-05 

Kow (unitless) U.S. EPA (1995g) 1.20E+02 

Koc (mL/g) U.S. EPA (1995g) 1.10E+02 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 5g) 

1.10E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

8.25E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.60E-02 

t t value was obtained from U.S. EPA (1992b). 3.00E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.30E-01 

B B value was obtained from U.S. EPA (1992b). 1.20E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.10E+01 

BAFfish (L/kg FW) -­ NA 

A-3-18
 
TABLE A-1b-9 

CHEMICAL-SPECIFIC INPUTS FOR 

2-CHLORO-1,3-BUTADIENE (CHLOROPRENE) (126-99-8) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 2.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) U.S. EPA (1997b) 2.00E-03 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-19
 
 

TABLE A-1b-10
 

CHEMICAL-SPECIFIC INPUTS FOR

 CHROMIUM (+3) (16065-38-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 51.996 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 2173.15 

Vp (atm) -­ 0 

S (mg/L) -­ 0 

H (atm@m3

/mol) -­ 0 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 1.01E-01 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 4.63E-05 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) Kds value was obtained from U.S. EPA (1996a), which provides pH-based values 

that were estimated by using the MINTEQ2 geochemical speciation model. 

1.2E+03 at 

pH=4.9; 

1.8E+06 at 

pH=6.8; 

4.3E+06 at 

pH=8.0 

Kdsw (L/Kg) Kdsw value is assumed to be the same as the Kds value, because organic carbon 

does not play a major role in sorption for the metals, as cited in US. EPA 

(1994e). 

1.2E+03 at 

pH=4.9; 

1.8E+06 at 

pH=6.8; 

4.3E+06 at 

pH=8.0 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t t value was obtained from U.S. EPA (1992b). ND 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-20
 
TABLE A-1b-10
 

CHEMICAL-SPECIFIC INPUTS FOR

 CHROMIUM (+3) (16065-38-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note:NA = Not applicable, ND = No data available 

A-3-21
 
 

 

 

 

TABLE A-1b-11
 

CHEMICAL-SPECIFIC INPUTS FOR 

CIS-1,3-DICHLOROPROPENE (10061-01-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 110.97 

Tm (o

K) --

Vp (atm) U.S. EPA (1995g) 4.99E-02 

S (mg/L) U.S. EPA (1995g) 2.70E+03 

H (atm@m3

/mol) U.S. EPA (1995g) 1.76E-03 

Da (cm2

/s) U.S. EPA (1995g) 5.85E-02 

Dw (cm2/s) U.S. EPA (1995g) 1.10E-05 

Kow (unitless) U.S. EPA (1995g) 1.00E+02 

Koc (mL/g) U.S. EPA (1995g) 9.30E+01 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

9.30E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

6.97E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 4.20E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.00E+00 

B B value was obtained from U.S. EPA (1992b). 1.00E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

5.30E+00 

BAFfish (L/kg FW) -­ NA 

A-3-22
 
TABLE A-1b-11
 

CHEMICAL-SPECIFIC INPUTS FOR 

CIS-1,3-DICHLOROPROPENE (10061-01-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997c) 1.75E-01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ 1.75E-01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1995f) 2.40E+01 

Note: Not applicable, ND = No data available 

A-3-23
 
TABLE A-1b-12
 

CHEMICAL-SPECIFIC INPUTS FOR 

COBALT (7440-48-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Montgomery and Welkom (1991) 58.93 

Tm (K) Montgomery and Welkom (1991) 1766.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2

/s) -­ NA 

Dw (cm2/s) -­ NA 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t t value was obtained from U.S. EPA (1992b). ND 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) 

-­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-24
 
TABLE A-1b-12
 

CHEMICAL-SPECIFIC INPUTS FOR 

COBALT (7440-48-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 6.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.10E-01 

Inhalation CSF 

(mg/kg/day)-1 

. ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-25
 
 

 

TABLE A-1b-13
 

CHEMICAL-SPECIFIC INPUTS FOR 

COPPER (744-050-8)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Montgomery and Welkom (1991) 63.55 

Tm (K) Montgomery and Welkom (1991) 1356.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2

/s) -­ NA 

Dw (cm2/s) -­ NA 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ 2.20E+01 

Kdsw (L/Kg) -­ 2.20E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t t value was obtained from U.S. EPA (1992b). ND 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

0.0E+00 

BAFfish (L/kg FW) -­ NA 

A-3-26
 
TABLE A-1b-13
 

CHEMICAL-SPECIFIC INPUTS FOR 

COPPER (744-050-8)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 4.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.40E-01 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. 1.3 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. 9.00E+00 

Note: NA = Not applicable, ND = No data available 

A-3-27
 
 

TABLE A-1b-14 

CHEMICAL-SPECIFIC INPUTS FOR 

CYCLOTETRAMETHYLENETETRANITRAMINE (HMX) (2691-41-0) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 296.16 

Tm (K) CRC Handbook (1995) 559.15 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from WATER8 model database (U.S. EPA 1995d). 2.60E-15 

Da (cm2/s) Da value was obtained from WATER8 model database (U.S. EPA 1995d). 8.00E-02 

Dw (cm2

/s) Dw value was obtained from WATER8 model database (U.S. EPA 1995d). 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.28E-05 

t t value was obtained from U.S. EPA (1992b). 6.90E-01 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-- ND 

BAFfish (L/kg FW) -­ ND 

A-3-28
 
 

TABLE A-1b-14 

CHEMICAL-SPECIFIC INPUTS FOR 

CYCLOTETRAMETHYLENETETRANITRAMINE (HMX) (2691-41-0) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 5.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.75E-01 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-29
 
 

 

 

 

TABLE A-1b-15
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIALLATE (2303-16-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 270.24 

Tm (K) -­ ND 

Vp (atm) Vp value cited in U.S. EPA (1995g). 2.00E-07 

S (ppm) S value cited in U.S. EPA (1995b). 40 

H (atm@m3

/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.83E-05 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Value cited in U.S. EPA (1995g). 3.10E+04 

Koc (mL/g) Value cited in U.S. EPA (1995g). 2.60E+04 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.60E+02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.82E+03 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 6.60E-02 

t t value was obtained from U.S. EPA (1992b). 3.90E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.00E+01 

B B value was obtained from U.S. EPA (1992b). 3.10E+00 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with an estimated BCF. BCFs were estimated 

using the correlation equation obtained from Veith, Macek, Petrocelli, and Caroll 

(1980). FCMs were obtained from U.S. EPA (1995g) 

1.80E+04 

A-3-30
 
TABLE A-1b-15
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIALLATE (2303-16-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997c) 6.10E-02 

RfC (mg/m3

) -­ ND 

Inhalation URF 

(μg/m3

)

-1 

-­ ND 

Inhalation CSF 

(mg/kg/day)-1 

Value based on Oral CSF assuming route-to-route extrapolation. 6.10E-01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-31
 
TABLE A-1b-16
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIBENZOFURAN (132-64-9)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 168.19 

Tm (K) CRC Handbook (1995) 359.65 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.056E-04 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.06E-01 

t t value was obtained from U.S. EPA (1992b). 6.90E-01 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). 2.04E+00 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-32
 
TABLE A-1b-16
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIBENZOFURAN (132-64-9)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997a) ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1996c) 2.00E+1 

Note: NA = Not applicable, ND = No data available 

A-3-33
 
TABLE A-1b-17 

CHEMICAL-SPECIFIC INPUTS FOR

 2,6-DICHLOROPHENOL (87-65-0) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 163.01 

Tm (K) Howard (1989-1993) 337.65 to 

338.65 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 2.96E-06 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 3.47E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.77E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.07E-02 

t t value was obtained from U.S. EPA (1992b). 8.63E-01 

t* t* value was obtained from U.S. EPA (1992b). 2.07E+00 

B B value was obtained from U.S. EPA (1992b). 7.24E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

-­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-34
 
TABLE A-1b-17 

CHEMICAL-SPECIFIC INPUTS FOR

 2,6-DICHLOROPHENOL (87-65-0) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

-­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-35
 
 

 

 

 

TABLE A-1b-18 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-DICHLOROPHENOXYACETIC ACID (94-75-7) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) U.S. EPA (1995g) 221.04 

Tm (K) -­ ND 

Vp (atm) U.S. EPA (1995g) 1.40E-05 

S (mg/L) U.S. EPA (1995g) 6.80E+02 

H (atm@m3

/mol) U.S. EPA (1995g) 4.50E-06 

Da (cm2

/s) U.S. EPA (1995g) 5.88E-02 

Dw (cm2/s) U.S. EPA (1995g) 6.49E-06 

Kow (unitless) U.S. EPA (1995g) 5.05E+02 

Koc (mL/g) U.S. EPA (1995g) 4.50E+02 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table.-­

4.50E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.37E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 7.10E-03 

t t value was obtained from U.S. EPA (1992b). 2.00E+00 

t* t* value was obtained from U.S. EPA (1992b). 4.70E+00 

B B value was obtained from U.S. EPA (1992b). 5.00E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

6.10E+01 

BAFfish (L/kg FW) -­ NA 

A-3-36
 
 

TABLE A-1b-18 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-DICHLOROPHENOXYACETIC ACID (94-75-7) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 1.00E-02 

Oral CSF (mg/kg/day)-1 Calculated by multiplying the Oral CSF for Benzo(a)pyrene by the relative 

potency factor for Dibenz(a,h)anthracene of 1.0 (U.S.EPA 1993e). 

ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

3.50E-02 

Inhalation CSF 

(mg/kg/day)-1 

ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-37
 
 

 

 

 

TABLE A-1b-19 

CHEMICAL-SPECIFIC INPUTS FOR 

1,3-DICHLOROPROPENE-TRANS (10061-02-6) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 110.98 

Tm (K) --

Vp (atm) U.S. EPA (1995g) 4.00E-02 

S (mg/L) U.S. EPA (1995g) 2.80E+03 

H (atm@m3

/mol) U.S. EPA (1995g) 1.25E-03 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.85E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.10E-05 

Kow (unitless) U.S. EPA (1995g) 1.00E+02 

Koc (mL/g) U.S. EPA (1995g) 9.30E+01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

9.30E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

6.97E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 4.20E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.00E+00 

B B value was obtained from U.S. EPA (1992b). 1.00E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

5.30E+00 

BAFfish (L/kg FW) -­ NA 

A-3-38
 
TABLE A-1b-19 

CHEMICAL-SPECIFIC INPUTS FOR 

1,3-DICHLOROPROPENE-TRANS (10061-02-6) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 1.75E-01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 

Value based on Oral CSF assuming route-to-route extrapolation. 1.75E-01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1995f) 2.40E+01 

Note: NA= Not applicable, ND= No data available 

A-3-39
 
 

 

 

 

TABLE A-1b-20
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIETHYLSTILBESTROL (56-53-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 268.34 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 443.65 

Vp (atm) U.S. EPA (1995g) 1.40E-12 

S (mg/L) S value cited in U.S. EPA (1995b). 1.30E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 3.00E-14 

Da (cm2

/s) U.S. EPA (1995g) 8.00E-02 

Dw (cm2/s) U.S. EPA (1995g) 8.00E-06 

Kow (unitless) U.S. EPA (1995g) 1.20E+05 

Koc (mL/g) U.S. EPA (1995g) 9.60E+04 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

9.60E+02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

7.20E+03 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.70E-01 

t t value was obtained from U.S. EPA (1992b). 3.80E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.80E+01 

B B value was obtained from U.S. EPA (1992b). 1.20E+01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) 

-­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with a geometric mean of various laboratory 

measured BCFs obtained from various experimental studies cited in 

U.S. EPA (1998). FCMs were obtained from U.S. EPA (1995g) 

6.80E+03 

A-3-40
 
TABLE A-1b-20
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIETHYLSTILBESTROL (56-53-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1996d) ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 4.70E+03 

RfC (mg/m3

) U.S. EPA (1997b) ND 

Inhalation CSF 

(mg/kg/day)-1 

Value based on Oral CSF assuming route-to-route extrapolation. ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. ND 

Note: NA = Not applicable, ND = No data available 

A-3-41
 
 

 

 

TABLE A-1b-21
 

CHEMICAL-SPECIFIC INPUTS FOR
 

DIMETHOATE (60-51-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 229.28 

Tm (K) --

Vp (atm) U.S. EPA (1995g) 6.70E-09 

S (mg/L) U.S. EPA (1995g) 2.50E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 6.15E-11 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 2.58E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.82E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 4.90E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for phthalates 

and PAHs, cited in U.S. EPA (1994c). Koc value was calculated by using the 

recommended Kow value that is provided in this table. 

4.80E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.80E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.60E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.40E-04 

t t value was obtained from U.S. EPA (1992b). 2.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 5.30E+00 

B B value was obtained from U.S. EPA (1992b). 4.90E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

8.40E-01 

BAFfish (L/kg FW) -­ NA 

A-3-42
 
TABLE A-1b-21
 

CHEMICAL-SPECIFIC INPUTS FOR
 

DIMETHOATE (60-51-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997c) 2.00E-04 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

7.00E-04 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-43
 
 

 

 

 

 

 

 

TABLE A-1b-22 

CHEMICAL-SPECIFIC INPUTS FOR 

7,12-DIMETHYLBENZ[A]ANTHRACENE (57-97-6) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 256.35 

Tm (K) --

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 3.80E-12 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 5.00E-02 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

3.11E-08 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.61E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.98E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 4.20E+06 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

3.20E+06 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

3.20E+04 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.40E+05 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.60E+00 

t t value was obtained from U.S. EPA (1992b). 3.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.50E+01 

B B value was obtained from U.S. EPA (1992b). 4.20E+02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with an estimated BCF. BCFs were estimated 

using the correlation equation obtained from Veith, Macek, Petrocelli, and Caroll 

(1980). FCMs were obtained from U.S. EPA (1995g)­

1.00E+03 

A-3-44
 
TABLE A-1b-22 

CHEMICAL-SPECIFIC INPUTS FOR 

7,12-DIMETHYLBENZ[A]ANTHRACENE (57-97-6) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997c) 2.50E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 2.50E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-45
 
 

 

 

 

 

 

TABLE A-1b-23 

CHEMICAL-SPECIFIC INPUTS FOR 

3-3'-DIMETHYLBENZIDINE (119-93-7) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 212.28 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 4.90E-10 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.20E+03 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

6.29E-11 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 2.83E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.17E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 4.80E+02 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

4.30E+02 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.30E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.22E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 7.70E-03 

t t value was obtained from U.S. EPA (1992b). 1.70E+00 

t* t* value was obtained from U.S. EPA (1992b). 4.10E+00 

B B value was obtained from U.S. EPA (1992b). 4.80E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.80E+01 

BAFfish (L/kg FW) -­ NA 

A-3-46
 
TABLE A-1b-23 

CHEMICAL-SPECIFIC INPUTS FOR 

3-3'-DIMETHYLBENZIDINE (119-93-7) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997c) 9.20E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 9.20E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-47
 
TABLE A-1b-24 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-DINITRO-6-METHYLPHENOL (534-52-1) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 198.13 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 360.65 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.26E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 2.93E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.91E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3

/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.78E-03 

t t value was obtained from U.S. EPA (1992b). 1.41E+00 

t* t* value was obtained from U.S. EPA (1992b). 3.39E+00 

B B value was obtained from U.S. EPA (1992b). 1.32E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-48
 
TABLE A-1b-24 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-DINITRO-6-METHYLPHENOL (534-52-1) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-49
 
 

 

 

 

 

 

TABLE A-1b-25
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIPHENYLAMINE (122-39-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 169.23 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 5.60E-06 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 3.00E+02 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

4.96E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.80E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.31E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 3.00E+03 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

2.60E+03 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.60E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.95E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 5.20E-02 

t t value was obtained from U.S. EPA (1992b). 9.40E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.00E+00 

B B value was obtained from U.S. EPA (1992b). 3.00E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

8.30E+01 

BAFfish (L/kg FW) -­ NA 

A-3-50
 
TABLE A-1b-25
 

CHEMICAL-SPECIFIC INPUTS FOR 

DIPHENYLAMINE (122-39-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 2.50E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

8.82E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-51
 
 

 

 

 

 

 

TABLE A-1b-26 

CHEMICAL-SPECIFIC INPUTS FOR 

2-ETHOXYETHANOL (110-80-5) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 90.12 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 7.00E-03 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.20E+01 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

1.23E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.47E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.57E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 7.90E-01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

8.00E-01 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

8.00E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

6.00E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.60E-04 

t t value was obtained from U.S. EPA (1992b). 3.10E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.40E-01 

B B value was obtained from U.S. EPA (1992b). 7.90E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

2.20E-01 

BAFfish (L/kg FW) -­ NA 

A-3-52
 
TABLE A-1b-26 

CHEMICAL-SPECIFIC INPUTS FOR 

2-ETHOXYETHANOL (110-80-5) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) Calculated from RfC using an inhalation rate of 20 m3

/day and a human body 

weight of 70 kg. 

5.70E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) U.S. EPA (1997c) 2.00E-01 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-53
 
 

 

 

 

 

 

TABLE A-1b-27
 

CHEMICAL-SPECIFIC INPUTS FOR

 ETHYL ACETATE (141-78-6)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 88.1 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 1.20E-01 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 6.40E+04 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

1.38E-04 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.32E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.66E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 4.90E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

4.80E+00 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.80E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.60E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.70E-03 

t t value was obtained from U.S. EPA (1992b). 3.00E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.20E-01 

B B value was obtained from U.S. EPA (1992b). 4.90E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

9.90E-01 

BAFfish (L/kg FW) -­ NA 

A-3-54
 
TABLE A-1b-27
 

CHEMICAL-SPECIFIC INPUTS FOR

 ETHYL ACETATE (141-78-6)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 9.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 1997c) 

3.15E+00 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. ND 

Note: NA = Not applicable, ND = No data available 

A-3-55
 
 

 

 

 

TABLE A-1b-28
 

CHEMICAL-SPECIFIC INPUTS FOR 

ETHYL ETHER (60-29-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 74.12 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 7.10E-01 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 6.10E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 8.70E-04 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.40E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.30E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 6.80E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

6.50E+00 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

6.50E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.88E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.60E-03 

t t value was obtained from U.S. EPA (1992b). 2.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.90E-01 

B B value was obtained from U.S. EPA (1992b). 6.80E-04 

Biotransfer Factors for Animals 

BCFfish 

(L//kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.30E+00 

BAFfish (L/kg FW) -­ NA 

A-3-56
 
TABLE A-1b-28
 

CHEMICAL-SPECIFIC INPUTS FOR 

ETHYL ETHER (60-29-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1996b) 2.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

7.00E-01 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-57
 
 

 

 

 

 

 

 

TABLE A-1b-29
 

CHEMICAL-SPECIFIC INPUTS FOR 

ETHYLENE THIOUREA (ETU) (96-45-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 102.17 

Tm (o

K) Budavari, O’Neill, Smith, and Heckelman (1989) 476.65 

Vp Geometric mean value cited in U.S. EPA (1994c). 1.10E-04 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.20E+04 

H (atm@m3

/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

3.08E-10 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.15E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.02E-05 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 2.20E-01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

2.20E-01 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.20E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.65E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.50E-04 

t t value was obtained from U.S. EPA (1992b). 3.70E-01 

t* t* value was obtained from U.S. EPA (1992b). 8.80E-01 

B B value was obtained from U.S. EPA (1992b). 2.20E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.90E-02 

BAFfish (L/kg FW) -­ NA 

A-3-58
 
Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 Value based on Inhalation CSF assuming route-to-route extrapolation. 1.10E-01 

RfC (mg/m3) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 U.S. EPA (1997c) 1.10E-01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: ND= Not applicable, ND= No data available 

A-3-59
 
 

 

 

 

 

TABLE A-1b-30
 

CHEMICAL-SPECIFIC INPUTS FOR 

FURAN (110-00-9)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 68.08 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 7.90E-01 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.00E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 5.40E-03 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.04E-01 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.22E-05 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 2.20E+01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

2.10E+01 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.10E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.57E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 6.50E-03 

t t value was obtained from U.S. EPA (1992b). 2.30E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.50E-01 

B B value was obtained from U.S. EPA (1992b). 2.20E-03 

Biotransfer Factors for Animals 

BCFfish 

(unitless, FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

3.00E+00 

BAFfish (L/kg FW) -­ NA 

A-3-60
 
TABLE A-1b-30
 

CHEMICAL-SPECIFIC INPUTS FOR 

FURAN (110-00-9)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 1.00-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

3.50E-03 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-61
 
 

 

TABLE A-1b-31
 

CHEMICAL-SPECIFIC INPUTS FOR 

GAMMA-HEXACHLOROCYCLOHEXANE (LINDANE) (58-89-9)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Montgomery and Welkom (1991) 290.85 

Tm (K) Montgomery and Welkom (1991) 385.65 

Vp (mmHG) Geometric mean value cited in U.S. EPA (1994c). 9.40 E-06 

S (in water) U.S. EPA (1995g) 4.20E+00 

H (atm@m3

/mol) U.S. EPA (1995g). 3.40E-06 

Da (cm2

/s) Da value was calculated using the equation cited in U.S. EPA (1996a). 1.42E-02 

Dw (cm2/s) Dw value was calculated using the equation cited in U.S. EPA (1996a). 7.34E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c) 5.40E+03 

Koc (mL/g) Geometric mean of measured values obtained from U.S. EPA (1996b). 4.60E+03 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.60E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.45E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.40E-02 

t t value was obtained from U.S. EPA (1992b). 5.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 3.50E+01 

B B value was obtained from U.S. EPA (1992b). 5.40E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with an estimated BCF. BCFs were estimated 

using the correlation equation obtained from Veith, Macek, Petrocelli, and Caroll 

(1980). FCMs were obtained from U.S. EPA (1995g) 

1.60E+03 

A-3-62
 
TABLE A-1b-31
 

CHEMICAL-SPECIFIC INPUTS FOR 

GAMMA-HEXACHLOROCYCLOHEXANE (LINDANE) (58-89-9)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 3.00E-04 

Oral CSF (mg/kg/day)-1 U.S.EPA (1997b) 1.30E+00 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.05E-03 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 1.30E+00 

MCL National Primary Drinking Water Regulations. 2E-04 

Aquatic TRV (μg/l) U.S. EPA (1995f) 8E-02 

Note: NA = Not applicable, ND = No data available 

A-3-63
 
TABLE A-1b-32
 

CHEMICAL-SPECIFIC INPUTS FOR 

HEXACHLOROPROPENE (1888-71-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 248.75 

Tm (K) CRC Handbook (1995) 200.25 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from WATER8 model database (U.S. EPA 1995d). 4.70E-03 

Da (cm2

/s) Da value was obtained from WATER8 model database (U.S. EPA 1995d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from WATER8 model database (U.S. EPA 1995d). 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 2.88E+00 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-64
 
TABLE A-1b-32
 

CHEMICAL-SPECIFIC INPUTS FOR 

HEXACHLOROPROPENE (1888-71-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-65
 
TABLE A-1b-33
 

CHEMICAL-SPECIFIC INPUTS FOR 

IRON (7439-89-6)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 55.84 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 1808.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2

/s) -­ NA 

Dw (cm2/s) -­ NA 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 1.00E-03 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-66
 
TABLE A-1b-33
 

CHEMICAL-SPECIFIC INPUTS FOR 

IRON (7439-89-6)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 3.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.05E+00 

Inhalation CSF 

(mg/kg/day)-1 --. ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. 1.0E+03 

Note: NA = Not applicable, ND = No data available 

A-3-67
 
 

 

 

 

 

TABLE A-1b-34
 

CHEMICAL-SPECIFIC INPUTS FOR 

ISOBUTYL ALCOHOL (78-83-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 74.14 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 1.40E-02 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 7.60E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 1.30E-05 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.60E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.30E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 5.60E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

5.50E+00 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

5.50E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.13E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.30E-03 

t t value was obtained from U.S. EPA (1992b). 2.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.90E-01 

B B value was obtained from U.S. EPA (1992b). 5.60E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.00E+00 

BAFfish (L/kg FW) -­ NA 

A-3-68
 
TABLE A-1b-34
 

CHEMICAL-SPECIFIC INPUTS FOR 

ISOBUTYL ALCOHOL (78-83-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 3.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.05E+00 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV 

(μg/l) 

-­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-69
 
 

 

 

 

 

TABLE A-1b-35
 

CHEMICAL-SPECIFIC INPUTS FOR 

KEPONE (143-50-0)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 490.68 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 3.90E-10 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 7.60E+00 

H (atm@m3

/mol) U.S. EPA (1995g) 2.55E-08 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 2.00E+05 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

1.60E+05 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.60E+03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.20E+04 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 8.60E+01 

t* t* value was obtained from U.S. EPA (1992b). 4.10E+02 

B B value was obtained from U.S. EPA (1992b). 2.00E+01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with an estimated BCF. BCFs were estimated 

using the correlation equation obtained from Veith, Macek, Petrocelli, and Caroll 

(1980). FCMs were obtained from U.S. EPA (1995g) 

1.80E+03 

A-3-70
 
TABLE A-1b-35
 

CHEMICAL-SPECIFIC INPUTS FOR 

KEPONE (143-50-0)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 1.80E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 1.80E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-71
 
TABLE A-1b-36
 

CHEMICAL-SPECIFIC INPUTS FOR 

MAGNESIUM (7439-95-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 24.30 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 924.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2/s) -­ NA 

Dw (cm2

/s) -­ NA 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t -- ND 

t* -­ ND 

B -- ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-72
 
TABLE A-1b-36
 

CHEMICAL-SPECIFIC INPUTS FOR 

MAGNESIUM (7439-95-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-73
 
TABLE A-1b-37
 

CHEMICAL-SPECIFIC INPUTS FOR 

MANGANESE (7439-96-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 54.94 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 1517.15 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) -- ND 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d) 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t -- ND 

t* -­ ND 

B -- ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-74
 
TABLE A-1b-37
 

CHEMICAL-SPECIFIC INPUTS FOR 

MANGANESE (7439-96-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1996c) 8.00E+01 

Note: NA = Not applicable, ND = No data available 

A-3-75
 
 

TABLE A-1b-38 

CHEMICAL-SPECIFIC INPUTS FOR 

3-METHYLCHOLANTHRENE (56-49-5) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 268.34 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 452.65 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.4E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 2.09E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.36E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3

/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.60E+00 

t t value was obtained from U.S. EPA (1992b). 3.80E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.80E+01 

B B value was obtained from U.S. EPA (1992b). 2.60E+02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) BAFs were used for compounds with a log Kow value above 4.0, as cited in 

U.S. EPA (1995g). BAF values were predicted values calculated by multiplying 

a food chain multiplier (FCM) with an estimated BCF. BCFs were estimated 

using the correlation equation obtained from Veith, Macek, Petrocelli, and Caroll 

(1980). FCMs were obtained from U.S. EPA (1995g) 

1.96E+06 

A-3-76
 
TABLE A-1b-38 

CHEMICAL-SPECIFIC INPUTS FOR 

3-METHYLCHOLANTHRENE (56-49-5) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997c) 2.60E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 2.60E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-77
 
 

 

 

 

 

TABLE A-1b-39
 

CHEMICAL-SPECIFIC INPUTS FOR

 METHYL METHACRYLATE (80-62-6)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 100.13 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 5.10E-02 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.60E+04 

H (atm@m3

/mol) U.S. EPA (1995g) 3.20E-04 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.70E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.60E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 2.40E+01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

2.30E+01 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.30E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.72E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.50E-03 

t t value was obtained from U.S. EPA (1992b). 3.60E-01 

t* t* value was obtained from U.S. EPA (1992b). 8.60E-01 

B B value was obtained from U.S. EPA (1992b). 2.40E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

3.2E+00 

BAFfish (L/kg FW) -­ NA 

A-3-78
 
TABLE A-1b-39
 

CHEMICAL-SPECIFIC INPUTS FOR

 METHYL METHACRYLATE (80-62-6)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 8.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.80E-01 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-79
 
TABLE A-1b-40 

CHEMICAL-SPECIFIC INPUTS FOR 

2-METHYLNAPTHALENE (91-57-6) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 142.20 

Tm (K) CRC Handbook (1995) 307.55 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.05E-04 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.80E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.84E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.42E-01 

t t value was obtained from U.S. EPA (1992b). 6.44E-01 

t* t* value was obtained from U.S. EPA (1992b). 4.87E+00 

B B value was obtained from U.S. EPA (1992b). 7.24E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-80
 
TABLE A-1b-40 

CHEMICAL-SPECIFIC INPUTS FOR 

2-METHYLNAPTHALENE (91-57-6) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-81
 
TABLE A-1b-41
 

CHEMICAL-SPECIFIC INPUTS FOR 

MOLYBDENUM (7439-98-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 95.94 

Tm (K) -­ N/A 

Vp (atm) -­ N/A 

S (mg/L) -­ N/A 

H (atm@m3

/mol) -­ N/A 

Da (cm2

/s) -­ N/A 

Dw (cm2/s) -­ N/A 

Kow (unitless) -­ N/A 

Koc (mL/g) -­ N/A 

Kds (cm3/g) U.S. EPA (1995g) 2.00E+01 

Kdsw (L/Kg) -­ 2.00E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t t value was obtained from U.S. EPA (1992b). ND 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-82
 
TABLE A-1b-41
 

CHEMICAL-SPECIFIC INPUTS FOR 

MOLYBDENUM (7439-98-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997c) 5.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1996c) 2.40E+00 

Note: NA= Not applicable, ND= No data available 

A-3-83
 
TABLE A-1b-42 

CHEMICAL-SPECIFIC INPUTS FOR 

1,4-NAPHTHAQUINONE (130-15-4) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 158.15 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 399.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 3.60E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.98E-06 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.39E-03 

t t value was obtained from U.S. EPA (1992b). 8.05E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.93E+00 

B B value was obtained from U.S. EPA (1992b). 5.13E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- NA 

BAFfish (L/kg FW) -­ NA 

A-3-84
 
TABLE A-1b-42 

CHEMICAL-SPECIFIC INPUTS FOR 

1,4-NAPHTHAQUINONE (130-15-4) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-85
 
 

TABLE A-1b-43 

CHEMICAL-SPECIFIC INPUTS FOR 

2-NAPHTHYLAMINE (91-59-8) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 143.18 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 323.15 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) U.S. EPA (1995g) 6.03E-07 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.51E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.39E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 6.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.60E+00 

B B value was obtained from U.S. EPA (1992b). 1.90E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.70E+01 

BAFfish (L/kg FW) -­ NA 

A-3-86
 
TABLE A-1b-43 

CHEMICAL-SPECIFIC INPUTS FOR 

2-NAPHTHYLAMINE (91-59-8) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-87
 
TABLE A-1b-44
 

CHEMICAL-SPECIFIC INPUTS FOR 

5-NITRO-O-TOLUIDINE (2-METHYL-5-NITROANILINE) (99-55-8)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 152.15 

Tm (K) CRC Handbook (1995) 378.65 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -- NA 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.78E-03 

t t value was obtained from U.S. EPA (1992b). 7.41E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.78E+00 

B B value was obtained from U.S. EPA (1992b). 7.41E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) -­ NA 

A-3-88
 
TABLE A-1b-44
 

CHEMICAL-SPECIFIC INPUTS FOR 

5-NITRO-O-TOLUIDINE (2-METHYL-5-NITROANILINE) (99-55-8)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-89
 
 

 

 

TABLE A-1b-45 

CHEMICAL-SPECIFIC INPUTS FOR 

2-NITROPROPANE (79-46-9) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 89.09 

Tm (K) U.S. EPA (1995g) NA 

Vp (atm) Vp value cited in U.S. EPA (1995g). 2.40E-02 

S (mg/L) S value cited in U.S. EPA (1995g). 1.70E+05 

H (atm@m3

/mol) U.S. EPA (1995g) 1.23E-05 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.23E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.01E-05 

Kow (unitless) Kow value cited in U.S. EPA (1995g) 7.40E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for phthalates 

and PAHs, / all nonionizing organics except phthalates, PAHs, dioxins, and 

furans, cited in U.S. EPA (1994c). Koc value was calculated by using the 

recommended Kow value that is provided in this table. 

7.20E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

7.20E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

5.40E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.30E-03 

t t value was obtained from U.S. EPA (1992b). 3.10E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.30E-01 

B B value was obtained from U.S. EPA (1992b). 7.40E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.20E-01 

BAFfish (L/kg FW) -­ NA 

A-3-90
 
TABLE A-1b-45 

CHEMICAL-SPECIFIC INPUTS FOR 

2-NITROPROPANE (79-46-9) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) Calculated from RfC using an inhalation rate of 20 m3

/day and a human body 

weight of 70 kg. 

5.70E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) U.S. EPA (1997b) 2.00E-02 

Inhalation CSF 

(mg/kg/day)-1 U.S. EPA (1997c) 9.40E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-91
 
TABLE A-1b-46 

CHEMICAL-SPECIFIC INPUTS FOR 

4-NITROQUINOLINE-1-OXIDE (56-57-5) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 190.16 

Tm (K) CRC Handbook (1995) 427.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -­ NA 

Da (cm2

/s) Da value was calculated using the equation cited in U.S. EPA (1996a). 8.00E-02 

Dw (cm2/s) Dw value was calculated using the equation cited in U.S. EPA (1996a). 8.00E-06 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 4.40E-01 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) -- NA 

BAFfish (L/kg FW) -­ NA 

A-3-92
 
TABLE A-1b-46 

CHEMICAL-SPECIFIC INPUTS FOR 

4-NITROQUINOLINE-1-OXIDE (56-57-5) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-93
 
 

TABLE A-1b-47
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSODIETHYLAMINE (55-18-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 102.14 

Tm (K) --

Vp (atm) U.S. EPA (1995g) 2.60E-03 

S (mg/L) U.S. EPA (1995g) 2.00E+05 

H (atm@m3

/mol) U.S. EPA (1995g) 3.63E-06 

Da (cm2

/s) U.S. EPA (1995g) 8.00E-02 

Dw (cm2/s) U.S. EPA (1995g) 8.00E-06 

Kow (unitless) U.S. EPA (1995g) 3.00E+00 

Koc (mL/g) U.S. EPA (1995g) 3.00E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

3.00E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.10E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 9.90E-04 

t t value was obtained from U.S. EPA (1992b). 3.70E-01 

t* t* value was obtained from U.S. EPA (1992b). 8.80E-01 

B B value was obtained from U.S. EPA (1992b). 3.00E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

U.S. EPA (1995g) 6.30E-01 

BAFfish (L/kg FW) -­ ND 

A-3-94
 
TABLE A-1b-47
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSODIETHYLAMINE (55-18-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 1.52E+02 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 1.52E+02 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-95
 
 

 

 

 

 

TABLE A-1b-48
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSODIMETHYLAMINE (62-75-9)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 74.08 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) ND 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 7.10E-03 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.00E+06 

H (atm@m3

/mol) U.S. EPA (1995g) 5.30-E07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 2.70E-01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

2.80E-01 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.80E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.10E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.70E-04 

t t value was obtained from U.S. EPA (1992b). 2.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 5.90E-01 

B B value was obtained from U.S. EPA (1992b). 2.70E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.40E-01 

BAFfish (L/kg FW) -- NA 

A-3-96
 
TABLE A-1b-48
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSODIMETHYLAMINE (62-75-9)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 5.10E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 U.S. EAP (1997c) 4.90E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -- ND 

Note: NA = Not applicable, ND = No data available 

A-3-97
 
 

 

 

 

 

TABLE A-1b-49
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOMETHYLETHYLAMINE (10595-95-6)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 88.13 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 3.00E-03 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 3.00E+05 

H (atm@m3

/mol) U.S. EPA (1995g) 8.90E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 7.60E-01 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for all 

nonionizing organics except phthalates, PAHs, dioxins, and furans as cited in 

U.S. EPA (1994c). Koc value was calculated by using the recommended Kow value 

that is provided in this table. 

7.60E-01 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed fraction organic carbon of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

7.60E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

5.70E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.50E-04 

t t value was obtained from U.S. EPA (1992b). 3.00E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.20E-01 

B B value was obtained from U.S. EPA (1992b). 7.60E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

3.10E+00 

BAFfish (L/kg FW) -- NA 

A-3-98
 
TABLE A-1b-49
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOMETHYLETHYLAMINE (10595-95-6)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 2.20E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 2.20E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-99
 
TABLE A-1b-50
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOMORPHOLINE (59-89-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 116.11 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 302.15 

Vp (atm) -­ NA 

S (mg/L) -­ NA 

H (atm@m3

/mol) -- NA 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.00E-05 

Kow (unitless) -­ NA 

Koc (mL/g) -­ NA 

Kds (cm3/g) -­ NA 

Kdsw (L/Kg) -­ NA 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 4.50E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.10E+00 

B B value was obtained from U.S. EPA (1992b). 3.60E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- NA 

BAFfish (L/kg FW) -­ NA 

A-3-100
 
TABLE A-1b-50
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOMORPHOLINE (59-89-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-101
 
 

 

 

TABLE A-1b-51
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOPIPERIDINE (100-75-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 114.5 

Tm (K) -­ ND 

Vp (atm) Geometric mean value cited in U.S. EPA (1994c). 1.90E-04 

S (mg/L) Geometric mean value cited in U.S. EPA (1994c). 1.50E+05 

H (atm@m3

/mol) U.S. EPA (1995g) 1.40E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Geometric mean value cited in U.S. EPA (1994c). 4.30E+00 

Koc (mL/g) Koc value was calculated by using the correlation equation with Kow for phthalates 

and PAHs, / all nonionizing organics except phthalates, PAHs, dioxins, and 

furans, cited in U.S. EPA (1994c). Koc value was calculated by using the 

recommended Kow value that is provided in this table. 

4.20E+00 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

4.20E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

3.15E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-03 

t t value was obtained from U.S. EPA (1992b). 4.40E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.00E+00 

B B value was obtained from U.S. EPA (1992b). 4.30E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

8.20E-01 

BAFfish (L/kg FW) -- NA 

A-3-102
 
TABLE A-1b-51
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOPIPERIDINE (100-75-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 3.80E+01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 3.80E+01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-103
 
 

 

TABLE A-1b-52
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOPYRROLIDINE (930-55-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 100.11 

Tm (K) --

Vp (atm) Vp value cited in Montgomery and Weldom (1991). 2.30E-04 

S (mg/L) S value cited in U.S. EPA (1995g). 7.80E+05 

H (atm@m3

/mol) U.S. EPA (1995g) 2.90E-08 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.36E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.04E-05 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 6.50E-01 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 6.50E-01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

6.50E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.90E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.40E-04 

t t value was obtained from U.S. EPA (1992b). 3.60E-01 

t* t* value was obtained from U.S. EPA (1992b). 8.60E-01 

B B value was obtained from U.S. EPA (1992b). 6.50E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.90E-01 

BAFfish (L/kg FW) -­ NA 

A-3-104
 
TABLE A-1b-52
 

CHEMICAL-SPECIFIC INPUTS FOR 

N-NITROSOPYRROLIDINE (930-55-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S.EPA (1997b) 2.10E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 2.10E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-105
 
 

 

TABLE A-1b-53
 

CHEMICAL-SPECIFIC INPUTS FOR 

OCTAMETHYLPYROPHOSPHORAMIDE (152-16-9)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 286.26 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 1.30E-06 

S (mg/L) S value cited in U.S. EPA (1995g). 1.00E+06 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 3.80E-10 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.80E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.62E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 3.00E-01 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 3.10E-01 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

3.10E-03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.30E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.50E-05 

t t value was obtained from U.S. EPA (1992b). 4.90E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.20E+01 

B B value was obtained from U.S. EPA (1992b). 3.00E-05 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.00E-01 

BAFfish (L/kg FW) -- NA 

A-3-106
 
TABLE A-1b-53
 

CHEMICAL-SPECIFIC INPUTS FOR 

OCTAMETHYLPYROPHOSPHORAMIDE (152-16-9)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 2.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

7.00E-03 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-107
 
 

 

 

 

TABLE A-1b-54
 

CHEMICAL-SPECIFIC INPUTS FOR 

PARATHION (ETHYL) (56-38-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 291.27 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 1.30E-08 

S (mg/L) S value cited in U.S. EPA (1995g). 6.50E+00 

H (atm@m3/mol) H value cited in U.S. EPA (1995g). 5.70E-07 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.70E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.79E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 6.80E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 5.80E+03 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

5.80E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.35E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.70E-02 

t t value was obtained from U.S. EPA (1992b). 5.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 3.90E+01 

B B value was obtained from U.S. EPA (1992b). 6.80E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

2.70E+02 

BAFfish (L/kg FW) -­ NA 

A-3-108
 
TABLE A-1b-54
 

CHEMICAL-SPECIFIC INPUTS FOR 

PARATHION (ETHYL) (56-38-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 6.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.10E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. 1.3E-02 

Note: NA = Not applicable, ND = No data available 

A-3-109
 
TABLE A-1b-55
 

CHEMICAL-SPECIFIC INPUTS FOR 

PENTACHLOROETHANE (76-01-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 202.31 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 244.15 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.815E-03 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.60E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.30E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -- ND 

Kds (cm3

/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.63E-02 

t t value was obtained from U.S. EPA (1992b). 1.50E+00 

t* t* value was obtained from U.S. EPA (1992b). 4.05E+00 

B B value was obtained from U.S. EPA (1992b). 1.12E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-110
 
TABLE A-1b-55
 

CHEMICAL-SPECIFIC INPUTS FOR 

PENTACHLOROETHANE (76-01-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) ND 

Note: NA = Not applicable, ND = No data available 

A-3-111
 
 

TABLE A-1b-56
 

CHEMICAL-SPECIFIC INPUTS FOR 

PHENACETIN (62-44-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neill, Smith, and Heckelman (1989) 179.21 

Tm (K) Budavari, O’Neill, Smith, and Heckelman (1989) 407.15 to 

408.15 

Vp (atm) -­ ND 

S (g/1310ml of H2O) S value cited in U.S. EPA (1995b). 1.0 

H (atm@m3/mol) H value was calculated by using the theoretical equation from Lyman, Reehl, and 

Rosenblatt (1982), which defines the constant. Recommended value was 

calculated by using the MW, S, and Vp values that are provided in this table. 

1.41E-06 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.70E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.82E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.03E-03 

t t value was obtained from U.S. EPA (1992b). 1.08E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.60E+00 

B B value was obtained from U.S. EPA (1992b). 3.80E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-112
 
TABLE A-1b-56
 

CHEMICAL-SPECIFIC INPUTS FOR 

PHENACETIN (62-44-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-113
 
 

 

TABLE A-1b-57
 

CHEMICAL-SPECIFIC INPUTS FOR 

PHENYL MERCURIC ACETATE (62-38-4)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 336.75 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 4.00E-09 

S (mg/L) S value cited in U.S. EPA (1995g). 4.40E+03 

H (atm@m3/mol) H value cited in U.S. EPA (1995g). 2.04E-11 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.58E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.62E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 1.70E+02 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.60E+02 

Kds (cm3

/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.60E+00 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.20E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 6.40E-04 

t t value was obtained from U.S. EPA (1992b). 9.90E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.40E+01 

B B value was obtained from U.S. EPA (1992b). 1.70E-02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue)

 U.S. EPA (1995g) 1.50E+01 

BAFfish (L/kg FW) -- NA 

A-3-114
 
 

TABLE A-1b-57
 

CHEMICAL-SPECIFIC INPUTS FOR 

PHENYL MERCURIC ACETATE (62-38-4)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S.EPA (1997b) 8.00E-05 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.80E-04 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-115
 
 

TABLE A-1b-58 

CHEMICAL-SPECIFIC INPUTS FOR 

1,3-PHENYLENEDIAMINE (108-45-2) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 108.6 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 3.00E-05 

S (mg/L) S value cited in U.S. EPA (1995g). 3.50E+05 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 9.20E-09 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.63E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.88E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 1.10E+00 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.10E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.10E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

8.25E-02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.50E-04 

t t value was obtained from U.S. EPA (1992b). 4.00E-01 

t* t* value was obtained from U.S. EPA (1992b). 9.60E-01 

B B value was obtained from U.S. EPA (1992b). 1.10E-04 

Biotransfer Factors for Animals 

BCFfish 

(L/kg, FW tissue) 

U.S. EPA (1995g) 2.90E-01 

BAFfish (L/kg FW) -­ NA 

A-3-116
 
TABLE A-1b-58 

CHEMICAL-SPECIFIC INPUTS FOR 

1,3-PHENYLENEDIAMINE (108-45-2) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 6.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.10E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-117
 
 

TABLE A-1b-59
 

CHEMICAL-SPECIFIC INPUTS FOR 

A-PICOLINE (109-06-8)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 93.12 

Tm (o

K) -­ 203.15 

Vp (mm@o

C) Vp value cited in U.S. EPA (1995g). 8.00E+00 

S (mg/L) S value cited in U.S. EPA (1995g). 

H (atm@m3/mol) H value cited in U.S. EPA (1995g). 4.10E-04 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.50E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.60E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.00E+06 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.50E+06 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.50E+04 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.12E+05 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.16E-03 

t t value was obtained from U.S. EPA (1992b). 3.24E-01 

t* t* value was obtained from U.S. EPA (1992b). 7.76E-01 

B B value was obtained from U.S. EPA (1992b). 1.29E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-118
 
TABLE A-1b-59
 

CHEMICAL-SPECIFIC INPUTS FOR 

A-PICOLINE (109-06-8)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA= Not applicable, ND= No data available 

A-3-119
 
 

TABLE A-1b-60
 

CHEMICAL-SPECIFIC INPUTS FOR 

POLYCHLORINATED BIPHENYLS (AROCLORS) (1336-36-3)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 328 

Tm (o

K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 1.00E-07 

S (mg/L) S value cited in U.S. EPA (1995g). 8.00E-02 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 2.60E-03 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.00E-05 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.00E+06 

Koc (mL/g) Koc value cited in U.S. EPA (1998c). 9.83E+04 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

9.83E+02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

7.37E+03 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.30E+00 

t t value was obtained from U.S. EPA (1992b). 5.30E+00 

t* t* value was obtained from U.S. EPA (1992b). 2.50E+01 

B B value was obtained from U.S. EPA (1992b). 3.20E+02 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) 6.70E+05 

A-3-120
 
TABLE A-1b-60
 

CHEMICAL-SPECIFIC INPUTS FOR 

POLYCHLORINATED BIPHENYLS (AROCLORS) (1336-36-3)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 2.00E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 2.00E+00 

MCL National Primary Drinking Water Regulations. 5E-04 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. 1.4E-02 

Note: NA = Not applicable, ND = No data available 

A-3-121
 
 

TABLE A-1b-61
 

CHEMICAL-SPECIFIC INPUTS FOR 

TETRAETHYL DITHIOPYROPHOSPHATE (SULFOTEP) (3689-24-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 322.31 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 3.30E-07 

S (mg/L) S value cited in U.S. EPA (1995g). 2.50E+01 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 4.20E-06 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 6.80E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 5.80E+03 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

5.80E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

4.35E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 8.10E+00 

t* t* value was obtained from U.S. EPA (1992b). 6.00E+01 

B B value was obtained from U.S. EPA (1992b). 6.80E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

U.S. EPA (1995g) 2.80E+02 

BAFfish (L/kg FW) -- NA 

A-3-122
 
TABLE A-1b-61
 

CHEMICAL-SPECIFIC INPUTS FOR 

TETRAETHYL DITHIOPYROPHOSPHATE (SULFOTEP) (3689-24-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 5.00E-04 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

1.75E-03 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-123
 
TABLE A-1b-62
 

CHEMICAL-SPECIFIC INPUTS FOR 

THIONAZIN (297-97-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 248.26 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 271.45 

Vp (mmHg) U.S. EPA (1995g) 3.00E-03 

S (mg/L) -­ ND 

H (atm@m3

/mol) H value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.60E-07 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 2.86E+00 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-124
 
TABLE A-1b-62
 

CHEMICAL-SPECIFIC INPUTS FOR 

THIONAZIN (297-97-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-125
 
TABLE A-1b-63
 

CHEMICAL-SPECIFIC INPUTS FOR 

TIN (7440-31-5)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 118.69 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 505.05 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3

/mol) -- ND 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (cm3

/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t t value was obtained from U.S. EPA (1992b). ND 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- ND 

BAFfish (L/kg FW) -­ ND 

A-3-126
 
TABLE A-1b-63
 

CHEMICAL-SPECIFIC INPUTS FOR 

TIN (7440-31-5)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 6.00E-01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.10E+00 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-127
 
 

TABLE A-1b-64 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-TOLUENEDIAMINE (95-80-7) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 122.17 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 1.10E-07 

S (mg/L) S value cited in U.S. EPA (1995g). 7.50E+03 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 7.92E-10 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.69E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.05E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.50E+00 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 2.50E+00 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.50E-02 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.88E-01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 6.60E-04 

t t value was obtained from U.S. EPA (1992b). 4.90E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.20E+00 

B B value was obtained from U.S. EPA (1992b). 2.50E-04 

Biotransfer Factors for Animals 

BCFfish 

(unitless FW tissue) 

U.S. EPA (1995g) 4.60E+01 

BAFfish (L/kg FW) -- NA 

A-3-128
 
TABLE A-1b-64 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4-TOLUENEDIAMINE (95-80-7) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 3.20E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 3.20E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note:NA = Not applicable, ND = No data available 

A-3-129
 
 

 

TABLE A-1b-65
 

CHEMICAL-SPECIFIC INPUTS FOR 

P-TOLUIDINE (106-49-0)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 107.15 

Tm (o

K) Budavari, O’Neil, Smith, and Heckelman (1989) 317.65 

Vp (atm) Vp value cited in U.S. EPA (1995g). 4.30E-04 

S (mg/L) S value cited in U.S. EPA (1995g). 7.60E+03 

H (atm@m3/mol) H value cited in U.S. EPA (1995g). 6.10E-06 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 6.97E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.43E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.50E+01 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 2.40E+01 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.40E-01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.80E+00 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.20E-03 

t t value was obtained from U.S. EPA (1992b). 3.90E-01 

t* t* value was obtained from U.S. EPA (1992b). 9.50E-01 

B B value was obtained from U.S. EPA (1992b). 2.50E-03 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

U.S. EPA (1995g) 3.50E+00 

BAFfish (L/kg FW) -­ NA 

A-3-130
 
TABLE A-1b-65
 

CHEMICAL-SPECIFIC INPUTS FOR 

P-TOLUIDINE (106-49-0)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 1.90E-01 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 1.90E-01 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-131
 
 

TABLE A-1b-66
 

CHEMICAL-SPECIFIC INPUTS FOR 

TOXAPHENE (CHLORINATED CAMPHENES) (8001-35-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 414 

Tm (K) Budavari, O’Neil, Smith, and Heckelman (1989) 350.65 

Vp (atm) Vp value cited in U.S. EPA (1995g). 4.30E-04 

S (mg/L) S value cited in U.S. EPA (1995g). 6.79E-01 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 3.40E-06 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 1.16E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 4.34E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 3.20E+05 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 2.60E+05 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.60E+03 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.95E+04 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 4.60E-02 

t t value was obtained from U.S. EPA (1992b). 2.90E+01 

t* t* value was obtained from U.S. EPA (1992b). 1.40E+02 

B B value was obtained from U.S. EPA (1992b). 3.20E+01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -- NA 

BAFfish (L/kg FW) (U.S. EPA 1995g) 2.10E+06 

A-3-132
 
TABLE A-1b-66
 

CHEMICAL-SPECIFIC INPUTS FOR 

TOXAPHENE (CHLORINATED CAMPHENES) (8001-35-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 1.10E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 1.10E+00 

MCL National Primary Drinking Water Regulations. 3E-03 

Aquatic TRV (μg/l) Ambient Water Quality Criteria, U.S. EPA, Office of Water. 2E-04 

Note: NA = Not applicable, ND = No data available 

A-3-133
 
 

 

TABLE A-1b-67 

CHEMICAL-SPECIFIC INPUTS FOR 

1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE (76-13-1) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 187.38 

Tm (o

K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 4.80E-01 

S (mg/L) S value cited in U.S. EPA (1995g). 1.70E+02 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 4.815E-01 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.80E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.20E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 1.40E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.30E+03 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.30E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

9.81E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 2.40E-02 

t t value was obtained from U.S. EPA (1992b). 1.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 4.10E+00 

B B value was obtained from U.S. EPA (1992b). 1.40E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

8.20E+01 

BAFfish (L/kg FW) -­ NA 

A-3-134
 
TABLE A-1b-67 

CHEMICAL-SPECIFIC INPUTS FOR 

1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE (76-13-1) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 3.00E+01 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) U.S. EPA (1997c) 8.57E+00 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-135
 
 

 

TABLE A-1b-68
 

CHEMICAL-SPECIFIC INPUTS FOR 

TRICHLOROPHENOXY PROPIONIC ACID (SILVEX) (93-72-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 269.51 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 6.80E-09 

S (mg/L) S value cited in U.S. EPA (1995g). 1.40E+02 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 1.30E-08 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.60E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 2.30E+03 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.30E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.71E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.10E-02 

t t value was obtained from U.S. EPA (1992b). 3.90E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.90E+01 

B B value was obtained from U.S. EPA (1992b). 2.60E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.30E+02 

BAFfish (L/kg FW) -­ NA 

A-3-136
 
TABLE A-1b-68
 

CHEMICAL-SPECIFIC INPUTS FOR 

TRICHLOROPHENOXY PROPIONIC ACID (SILVEX) (93-72-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 8.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.80E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. 5E-02 

Aquatic TRV (μg/l) --. ND 

Note: NA = Not applicable, ND = No data available 

A-3-137
 
 

 

 

TABLE A-1b-69 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4,5-TRICHLOROPHENOXYACETIC ACID (93-76-5) 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 255.49 

Tm (K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 9.10E-10 

S (mg/L) S value cited in U.S. EPA (1995g). 2.80E+02 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 8.68E-09 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 8.00E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 2.00E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.80E+03 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.80E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

1.35E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.20E-02 

t t value was obtained from U.S. EPA (1992b). 3.20E+00 

t* t* value was obtained from U.S. EPA (1992b). 1.30E+01 

B B value was obtained from U.S. EPA (1992b). 2.00E-01 

Biotransfer Factors for Animals 

BCFfish 

(unitless FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.80E+01 

BAFfish (L/kg FW) -- NA 

A-3-138
 
TABLE A-1b-69 

CHEMICAL-SPECIFIC INPUTS FOR 

2,4,5-TRICHLOROPHENOXYACETIC ACID (93-76-5) 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997a) 1.00E-02 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

3.50E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note:NA = Not applicable, ND = No data available 

A-3-139
 
TABLE A-1b-70
 

CHEMICAL-SPECIFIC INPUTS FOR 

O,O,O-TRIETHYLPHOSPHOROTHIATE (126-68-1)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) CRC Handbook (1995) 198.22 

Tm (o

K) -­ ND 

Vp (atm) -­ ND 

S (mg/L) -­ ND 

H (atm@m3/mol) -­ ND 

Da (cm2

/s) Da value was calculated using the equation cited in U.S. EPA (1996a). 3.17E-02 

Dw (cm2/s) Dw value was calculated using the equation cited in U.S. EPA (1996a). 6.23E-06 

Kow (unitless) -­ ND 

Koc (mL/g) -­ ND 

Kds (mL/g) -­ ND 

Kdsw (L/Kg) -­ ND 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). ND 

t t value was obtained from U.S. EPA (1992b). 1.42E+00 

t* t* value was obtained from U.S. EPA (1992b). ND 

B B value was obtained from U.S. EPA (1992b). ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ ND 

BAFfish (L/kg FW) -­ ND 

A-3-140
 
TABLE A-1b-70
 

CHEMICAL-SPECIFIC INPUTS FOR 

O,O,O-TRIETHYLPHOSPHOROTHIATE (126-68-1)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (water) 

(mg/kg/day) -­ ND 

RfD (food) (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-141
 
 

 

TABLE A-1b-71
 

CHEMICAL-SPECIFIC INPUTS FOR 

TRIS(2,3-DIBROMOPROPYL) PHOSPHATE B19 (126-72-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 697.93 

Tm (K) -­ ND 

Vp (atm) Vp value cited in U.S. EPA (1995g). 2.00E-07 

S (mg/L) S value cited in U.S. EPA (1995g). 4.70E+00 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 3.00E-05 

Da (cm2

/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 5.50E-03 

Dw (cm2/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 3.66E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 3.20E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 2.80E+03 

Kds (cm3/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

2.80E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

2.10E+02 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 3.30E-05 

t t value was obtained from U.S. EPA (1992b). 1.60E+03 

t* t* value was obtained from U.S. EPA (1992b). 8.60E+03 

B B value was obtained from U.S. EPA (1992b). 3.20E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

1.60E+02 

BAFfish (L/kg FW) -­ NA 

A-3-142
 
TABLE A-1b-71
 

CHEMICAL-SPECIFIC INPUTS FOR 

TRIS(2,3-DIBROMOPROPYL) PHOSPHATE B19 (126-72-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) -­ ND 

Oral CSF (mg/kg/day)-1 U.S. EPA (1997b) 9.80E+00 

RfC (mg/m3

) -­ ND 

Inhalation CSF 

(mg/kg/day)-1 Value based on Oral CSF assuming route-to-route extrapolation. 9.80E+00 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) -­ ND 

Note: NA = Not applicable, ND = No data available 

A-3-143
 
TABLE A-1b-72
 

CHEMICAL-SPECIFIC INPUTS FOR VANADIUM (7440-62-2)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) -­ 50.94 

Tm (K) --

Vp (atm) -­ N/A 

S (mg/L) -­ N/A 

H (atm@m3

/mol) -­ NA 

Da (cm2/s) -­ NA 

Dw (cm2/s) -­ NA 

Kow (unitless) -­ N/A 

Koc (mL/g) -­ N/A 

Kds (cm3/g) U.S. EPA (1995g) 5.00E+01 

Kdsw (L/Kg) -­ 5.00E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 1.00E-03 

t -­ ND 

t* -­ ND 

B -­ ND 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW tissue) -­ NA 

BAFfish (L/kg FW) -­ NA 

A-3-144
 
 

TABLE A-1b-72
 

CHEMICAL-SPECIFIC INPUTS FOR VANADIUM (7440-62-2)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 7.00E-03 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

2.45E-02 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. ND 

Aquatic TRV (μg/l) U.S. EPA (1996c) 1.9E+01 

Note:NA = Not applicable, ND = No data available 

A-3-145
 
 

 

 

TABLE A-1b-73
 

CHEMICAL-SPECIFIC INPUTS FOR 

XYLENES (TOTAL) (1330-20-7)
 

Parameter Reference and Explanation Value 

Chemical/Physical Properties 

MW (g/mole) Budavari, O’Neil, Smith, and Heckelman (1989) 106.17 

Tm (o

K) --

Vp (atm) Vp value cited in U.S. EPA (1995g). 1.10E-02 

S (mg/L) S value cited in U.S. EPA (1995g). 1.90E+02 

H (atm@m3

/mol) H value cited in U.S. EPA (1995g). 6.00E-03 

Da (cm2/s) Da value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 7.14E-02 

Dw (cm2

/s) Dw value was obtained from CHEMDAT8 database (U.S. EPA 1994d). 9.34E-06 

Kow (unitless) Kow value cited in U.S. EPA (1995g). 1.50E+03 

Koc (mL/g) Koc value cited in U.S. EPA (1995g). 1.30E+03 

Kds (mL/g) Kds value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.01 in soil. 

Measured organic carbon in soil, specific to site conditions, should be used to 

calculate Kds, because the value varies, depending on the fraction of organic 

carbon in soil. Recommended Kds value was calculated by using the Koc value 

that is provided in this table. 

1.30E+01 

Kdsw (L/Kg) Kdsw value was calculated by using the correlation equation with Koc that is cited 

in U.S. EPA (1993) for an assumed organic carbon fraction of 0.075 in 

suspended sediment. Measured organic carbon in suspended sediment, specific 

to site conditions, should be used to calculate Kdsw, because the value varies, 

depending on the fraction of organic carbon in suspended sediment. 

Recommended Kdsw value was calculated by using the Koc value that is provided 

in this table. 

9.75E+01 

Dermal Exposure Factors 

Kp (cm/hr) Kp value was obtained from U.S. EPA (1992b). 7.60E-02 

t t value was obtained from U.S. EPA (1992b). 3.90E-01 

t* t* value was obtained from U.S. EPA (1992b). 1.30E+00 

B B value was obtained from U.S. EPA (1992b). 1.50E-01 

Biotransfer Factors for Animals 

BCFfish 

(L/kg FW) 

BCFs were used for compounds with a log Kow value below 4.0, as cited in 

U.S. EPA (1995g). BCFfish value calculated using the correlation equation with 

Kow obtained from Veith, Macek, Petrocelli, and Caroll (1980) 

7.50E+01 

BAFfish (L/kg FW) -­ NA 

A-3-146
 
TABLE A-1b-73
 

CHEMICAL-SPECIFIC INPUTS FOR 

XYLENES (TOTAL) (1330-20-7)
 

Parameter Reference and Explanation Value 

Health Benchmarks 

RfD (mg/kg/day) U.S. EPA (1997b) 2.00E+00 

Oral CSF (mg/kg/day)-1 -­ ND 

RfC (mg/m3

) Calculated from RfD using an inhalation rate of 20 m3/day and a human body 

weight of 70 kg. 

7.00E+00 

Inhalation CSF 

(mg/kg/day)-1 -­ ND 

MCL National Primary Drinking Water Regulations. 1.0E+01 

Aquatic TRV (μg/l) U.S. EPA (1996c) 1.80E+00 

Note: Not applicable, ND = No data available 

A-3-147