Toxicity Value Change Summary
Table of Contents
The medium-specific concentrations of Statewide health standard in 25 Pa Code Chapter 250 were derived from the toxicity values listed in Appendix A Table 5 of the Regulations. Toxicity values in that table were based on information available at the time when the final regulation package was submitted for promulgation. Due to the continuous development of the toxicity values by USEPA, ATSDR and California EPA, some of the current toxicity values from these agencies may be different from the toxicity values listed in the Regulations. This page provides summary tables regarding these toxicity value changes. [NOTE: Amendments to Chapter 250 are effective as of November 24, 2001. Effective Statewide Health Standard MSCs can be found at: http://www.depweb.state.pa.us/ocrlgs/cwp/view.asp?a=1459&Q=518871&ocrlgsNav=|38248|38262|]
The information on this page is intended as a compilation of updated data from sources specified in Chapter 250.605, relating to Sources of Toxicity Information. It is provided here for informational purposes and for the convenience in establishing Site-specific standards. These changes will be incorporated into a future amendment to Appendix A to Chapter 250, as data used to calculate medium-specific concentrations under the Statewide health standard.
CAS_NUMBER | CHEMICAL NAME | RfDo in Chapter 250, Appendix A, Table 5 (mg/kg/day) | RfDo in This Database (mg/kg/day) | Data Source |
---|---|---|---|---|
000067-64-1 |
ACETONE |
1.E-01 |
9.E-01 |
I |
000107-02-8 |
ACROLEIN |
2.E-02 |
5.E-04 |
I |
007440-39-3 |
BARIUM AND COMPOUNDS |
7.E-02 |
2.E-01 |
I |
000071-43-2 |
BENZENE |
3.E-03 |
4.E-03 |
I |
000100-44-7 |
BENZYL CHLORIDE |
|
2.E-03 |
P |
007440-42-8 |
BORON AND COMPOUNDS |
9.E-02 |
2.E-01 |
I |
000100-00-5 |
CHLORONITROBENZENE, P- |
|
1.E-03 |
P |
000072-54-8 |
DDD, 4,4'- |
|
2.E-03 |
P |
000132-64-9 |
DIBENZOFURAN |
|
1.E-03 |
P |
000106-93-4 |
DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE) |
5.71.E-05 |
9.E-03 |
I |
000541-73-1 |
DICHLOROBENZENE, 1,3- |
3.E-02 |
3.E-03 |
N |
000075-34-3 |
DICHLOROETHANE, 1,1- |
1.E-01 |
2.E-01 |
P |
000107-06-2 |
DICHLOROETHANE, 1,2- |
3.E-02 |
2.E-02 |
P |
000075-35-4 |
DICHLOROETHYLENE, 1,1- |
9.E-03 |
5.E-02 |
I |
000534-52-1 |
DINITRO-O-CRESOL, 4,6- |
|
1.E-04 |
P |
000123-91-1 |
DIOXANE, 1,4- |
|
1.E-01 |
D |
000591-78-6 |
HEXANONE, 2- (METHYL N-BUTYL KETONE) |
|
4.E-02 |
N |
000143-50-0 |
KEPONE |
5.E-04 |
2.E-04 |
P |
007439-93-2 |
LITHIUM |
|
2.E-02 |
N |
007439-96-5 |
MANGANESE |
1.4E-01 |
4.7E-02 |
I (for Soil and Water Exposures) |
000094-74-6 |
METHYLCHLOROPHENOXYACETIC ACID (MCPA) |
|
5.E-04 |
I |
000091-57-6 |
METHYLNAPHTHALENE, 2- |
2.E-02 |
4.E-03 |
I |
000099-09-2 |
NITROANILINE, M- |
5.7E-05 |
3.E-04 |
P |
000088-74-4 |
NITROANILINE, O- |
5.7E-05 |
3.E-03 |
P |
000100-01-6 |
NITROANILINE, P- |
5.7E-05 |
3.E-03 |
P |
000062-75-9 |
NITROSODIMETHYLAMINE, N- |
|
8.E-06 |
P |
000086-30-6 |
NITROSODIPHENYLAMINE, N- |
|
2.E-02 |
P |
007790-98-9 |
PERCHLORATE |
|
7.E-04 |
I |
000108-95-2 |
PHENOL |
6.E-01 |
3.E-01 |
I |
000108-98-5 |
PHENYL MERCAPTAN |
|
1.E-05 |
H |
000108-46-3 |
RESORCINOL |
|
2.E+00 |
|
000109-99-9 |
TETRAHYDROFURAN |
|
2.E-01 |
N |
000108-88-3 |
TOLUENE |
2.E-01 |
8.E-02 |
I |
000071-55-6 |
TRICHLOROETHANE, 1,1,1- |
2.8E-01 |
2.E+00 |
I |
000088-06-2 |
TRICHLOROPHENOL, 2,4,6- |
3.E-04 |
1.E-03 |
P |
000055-63-0 |
TRINITROGLYCEROL (NITROGLYCERIN) |
|
1.E-04 |
P |
001330-20-7 |
XYLENES (TOTAL) |
2.E+00 |
2.E-01 |
I |
CAS_NUMBER | CHEMICAL NAME | RfDi in Chapter 250, Appendix A, Table 5 (mg/kg/day) | RfDi in This Database (mg/kg/day) | Data Source |
---|---|---|---|---|
000071-43-2 |
BENZENE |
1.7E-03 |
8.6E-03 |
I |
000100-44-7 |
BENZYL CHLORIDE |
|
2.E-03 |
Route-to-route extrapolation from RfDo |
000106-99-0 |
BUTADIENE, 1,3- |
|
5.7E-04 |
I |
000056-23-5 |
CARBON TETRACHLORIDE |
5.71E-04 |
5.E-02 |
D |
000108-90-7 |
CHLOROBENZENE |
5.71E-03 |
5.E-03 |
H |
000067-66-3 |
CHLOROFORM |
9.E-05 |
1.4E-02 |
N |
000100-00-5 |
CHLORONITROBENZENE, P- |
|
1.7E-04 |
P |
007440-48-4 |
COBALT |
5.0E-06 |
5.7E-06 |
P |
000110-82-7 |
CYCLOHEXANE |
|
1.7E+00 |
I |
000072-54-8 |
DDD, 4,4'- |
|
2.E-03 |
Route-to-route extrapolation from RfDo |
000132-64-9 |
DIBENZOFURAN |
|
1.E-03 |
Route-to-route extrapolation from RfDo |
000106-93-4 |
DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE) |
5.71E-05 |
2.6E-03 |
I |
000095-50-1 |
DICHLOROBENZENE, 1,2- |
5.71E-02 |
4.E-02 |
H |
000075-71-8 |
DICHLORODIFLUOROMETHANE (FREON 12) |
5.71E-02 |
5.E-02 |
H |
000075-34-3 |
DICHLOROETHANE, 1,1- |
1.43E-01 |
1.E-01 |
H |
000107-06-2 |
DICHLOROETHANE, 1,2- |
2.3E-01 |
7.E-01 |
D |
000075-35-4 |
DICHLOROETHYLENE, 1,1- |
9.E-03 |
5.7E-02 |
I |
000156-60-5 |
DICHLOROETHYLENE, TRANS-1,2- |
2.E-02 |
1.7E-02 |
P |
000075-09-2 |
DICHLOROMETHANE (METHYLENE CHLORIDE) |
8.57E-01 |
3.E-01 |
D |
000534-52-1 |
DINITRO-O-CRESOL, 4,6- |
|
1.E-04 |
Route-to-route extrapolation from RfDo |
000123-91-1 |
DIOXANE, 1,4- |
|
1.E+00 |
D |
000050-00-0 |
FORMALDEHYDE |
1.1E-03 |
2.8E-03 |
D |
000064-18-6 |
FORMIC ACID |
2E+00 |
8.6E-04 |
N |
000110-54-3 |
HEXANE |
5.71E-02 |
2.E-01 |
I |
000591-78-6 |
HEXANONE, 2- (METHYL N-BUTYL KETONE) |
|
1.4E-03 |
N |
000143-50-0 |
KEPONE |
|
2.E-04 |
Route-to-route extrapolation from RfDo |
007439-93-2 |
LITHIUM |
|
2.E-02 |
Route-to-route extrapolation from RfDo |
000074-87-3 |
METHYL CHLORIDE |
2.9E-02 |
3.E-02 |
I |
000078-93-3 |
METHYL ETHYL KETONE |
2.9E-01 |
1.4E+00 |
I |
000108-10-1 |
METHYL ISOBUTYL KETONE |
2.3E-02 |
8.6E-01 |
I |
025013-15-4 |
METHYL STYRENE (MIXED ISOMERS) |
1.1E-02 |
1.E-02 |
H |
000094-74-6 |
METHYLCHLOROPHENOXYACETIC ACID (MCPA) |
|
5.E-04 |
Route-to-route extrapolation from RfDo |
000091-57-6 |
METHYLNAPHTHALENE, 2- |
8.6E-04 |
4.E-03 |
Route-to-route extrapolation from RfDo |
007440-02-0 |
NICKEL |
5.7E-05 |
2.6E-05 |
D |
000099-09-2 |
NITROANILINE, M- |
5.7E-05 |
3.E-04 |
P |
000100-01-6 |
NITROANILINE, P- |
5.7E-05 |
1.E-03 |
P |
000062-75-9 |
NITROSODIMETHYLAMINE, N- |
|
8.E-06 |
Route-to-route extrapolation from RfDo |
000086-30-6 |
NITROSODIPHENYLAMINE, N- |
|
2.E-02 |
Route-to-route extrapolation from RfDo |
007790-98-9 |
PERCHLORATE |
|
7.E-04 |
Route-to-route extrapolation from RfDo |
000108-95-2 |
PHENOL |
6.0E-01 |
3.E-01 |
Route-to-route extrapolation from RfDo |
000108-98-5 |
PHENYL MERCAPTAN |
|
1.E-05 |
Route-to-route extrapolation from RfDo |
000109-99-9 |
TETRAHYDROFURAN |
|
8.6E-02 |
N |
000108-88-3 |
TOLUENE |
1.14E-01 |
1.4E+00 |
I |
000071-55-6 |
TRICHLOROETHANE, 1,1,1- |
6.3E-01 |
1.4E+00 |
I |
000088-06-2 |
TRICHLOROPHENOL, 2,4,6- |
3.E-04 |
1.E-03 |
Route-to-route extrapolation from RfDo |
000096-19-5 |
TRICHLOROPROPENE, 1,2,3- |
|
3.E-04 |
P |
000121-44-8 |
TRIETHYLAMINE |
|
2.E-03 |
I |
000095-63-6 |
TRIMETHYLBENZENE, 1,3,4- (TRIMETHYLBENZENE, 1,2,4-) |
1.7E-03 |
2.E-03 |
P |
000055-63-0 |
TRINITROGLYCEROL (NITROGLYCERIN) |
|
1.E-04 |
Route-to-route extrapolation from RfDo |
001330-20-7 |
XYLENES (TOTAL) |
1.20E-01 |
2.9E-02 |
I |
CAS_NUMBER | CHEMICAL NAME | CSFo in Chapter 250, Appendix A, Table 5 [(mg/kg/day)-1] | CSFo in This Database [(mg/kg/day)-1] | Data Source |
---|---|---|---|---|
000071-43-2 |
BENZENE |
2.9E-02 |
5.5E-02 |
I |
000057-57-8 |
BETA PROPIOLACTONE |
1.4E+01 |
C |
|
000085-68-7 |
BUTYLBENZYL PHTHALATE |
1.9E-03 |
P |
|
000106-47-8 |
CHLOROANILINE, P- |
5.4E-02 |
P |
|
000067-66-3 |
CHLOROFORM |
6.1E-03 |
I [A dose of 0.01 mg/kg/day (equal to the RfD) can be considered protective against cancer risk.] |
|
018540-29-9 |
CHROMIUM (VI) |
1.9E-01 |
|
Withdrawn by California EPA |
000106-93-4 |
DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE) |
8.5E+01 |
2.E+00 |
I |
000075-35-4 |
DICHLOROETHYLENE, 1,1- |
6.E-01 |
|
Withdrawn from IRIS |
000123-31-9 |
HYDROQUINONE |
5.6E-02 |
P |
|
000143-50-0 |
KEPONE |
1.6E+01 |
8.E+00 |
P |
000099-09-2 |
NITROANILINE, M- |
2.E-02 |
P |
|
000100-01-6 |
NITROANILINE, P- |
2.E-02 |
P |
|
012674-11-2 |
PCB-1016 (AROCLOR) |
9.E-02 |
7.E-02 |
I |
011104-28-2 |
PCB-1221 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
011141-16-5 |
PCB-1232 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
053469-21-9 |
PCB-1242 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
012672-29-6 |
PCB-1248 (AROCLOR) |
1.8.E+00 |
2.E+00 |
I |
011097-69-1 |
PCB-1254 (AROCLOR) |
1.8.E+00 |
2.E+00 |
I |
011096-82-5 |
PCB-1260 (AROCLOR) |
6.E-01 |
2.E+00 |
I |
000076-01-7 |
PENTACHLOROETHANE |
9.E-02 |
P |
|
000091-22-5 |
QUINOLINE |
1.2E+01 |
3.E+00 |
I |
000109-99-9 |
TETRAHYDROFURAN |
7.6E-03 |
N |
|
000055-63-0 |
TRINITROGLYCEROL (NITROGLYCERIN) |
1.7E-02 |
P |
CAS_NUMBER | CHEMICAL NAME | CSFi in Chapter 250, Appendix A, Table 5 [(mg/kg/day)-1] | CSFi in This Database [(mg/kg/day)-1] | Data Source |
---|---|---|---|---|
000057-57-8 |
BETA PROPIOLACTONE |
|
1.4E+1 |
C |
000106-99-0 |
BUTADIENE, 1,3- |
9.8E-01 |
1.1E-1 |
I |
000085-68-7 |
BUTYLBENZYL PHTHALATE |
|
1.9E-3 |
Route-to-route extrapolation from CSFo |
000106-47-8 |
CHLOROANILINE, P- |
|
5.4E-2 |
Route-to-route extrapolation from CSFo |
000100-00-5 |
CHLORONITROBENZENE, P- |
|
1.8E-02 |
Route-to-route extrapolation from CSFo |
007440-48-4 |
COBALT |
|
9.8E+00 |
P |
000106-93-4 |
DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE) |
7.7E-01 |
2.1E+00 |
I |
000075-34-3 |
DICHLOROETHANE, 1,1- |
5.6E-03 |
5.7E-03 |
C |
000075-35-4 |
DICHLOROETHYLENE, 1,1- |
1.75E-01 |
|
Withdrawn from IRIS |
000123-31-9 |
HYDROQUINONE |
|
5.6E-02 |
Route-to-route extrapolation from CSFo |
000143-50-0 |
KEPONE |
1.61E+01 |
8.E-00 |
Route-to-route extrapolation from CSFo |
000066-27-3 |
METHYL METHANESULFONATE |
9.8E-02 |
9.9E-02 |
C |
001634-04-4 |
METHYL TERTIARY BUTYL ETHER (MTBE) |
1.8E-03 |
9.1E-04 |
C |
000099-09-2 |
NITROANILINE, M- |
|
2.E-02 |
Route-to-route extrapolation from CSFo |
000100-01-6 |
NITROANILINE, P- |
|
2.E-02 |
Route-to-route extrapolation from CSFo |
000086-30-6 |
NITROSODIPHENYLAMINE, N- |
9.1E-03 |
9.E-03 |
C |
012674-11-2 |
PCB-1016 (AROCLOR) |
9.E-02 |
7.E-02 |
I |
011104-28-2 |
PCB-1221 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
011141-16-5 |
PCB-1232 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
053469-21-9 |
PCB-1242 (AROCLOR) |
5.E-01 |
2.E+00 |
I |
012672-29-6 |
PCB-1248 (AROCLOR) |
1.8E+00 |
2.E+00 |
I |
011097-69-1 |
PCB-1254 (AROCLOR) |
1.8E+00 |
2.E+00 |
I |
011096-82-5 |
PCB-1260 (AROCLOR) |
6.E-01 |
2.E+00 |
I |
000076-01-7 |
PENTACHLOROETHANE |
|
9.E-02 |
Route-to-route extrapolation from CSFo |
000109-99-9 |
TETRAHYDROFURAN |
|
6.8E-03 |
N |
000055-63-0 |
TRINITROGLYCEROL (NITROGLYCERIN) |
|
1.7E-02 |
Route-to-route extrapolation from CSFo |
Data Sources of Toxicity Values:
C = California EPA, Cancer Potency Factor
D = ATSDR Minimal Risk Level (MRL)
H = Health Effect Assessment Summary Table (HEAST)
I = Integrated Risk Information System (IRIS)
M = EPA Drinking Water Regulations and Health Advisories
N = EPA NCEA Provisional Value
P = EPA Provisional Peer Reviewed Toxicity Value
e-mail: landrecycling@state.pa.us
Last Modified on February 4, 2008 12:11:23 PM