35 Ill. Adm. Code 742.APPENDIX A
A General
Section 742.APPENDIX AÂ Â General
Section 742.TABLE I
Chemicals
Whose Tier 1 Class I Groundwater Remediation Objective Exceeds the 1 in
1,000,000 Cancer Risk Concentration
Chemical
Class
I Groundwater Remediation Objective (mg/L)
1
in 1,000,000 Cancer Risk Concentration (mg/L)
ADL
(mg/L)
Aldrin
0.014
0.000005
0.014
Benzo(a)pyrene
0.0002
0.000012
0.00023
Bis(2-chloroethyl)ether
0.01
0.000077
0.01
Bis(2-ethylhexyl)phthalate (Di(2-ethylhexyl)phthalate)
0.006
0.0061
0.0027
Carbon Tetrachloride
0.005
0.00066
0.0001
Chlordane
0.002
0.000066
0.00014
DDD
0.014
0.00023
0.014
DDE
0.01
0.00023
0.01
DDT
0.006
0.00023
0.006
Dibenzo(a,h)anthracene
0.0003
0.000012
0.0003
1,2-Dibromo-3-chloropropane
0.0002
0.000061
0.001
1,2-Dibromoethane
0.00005
0.00002
0.001
3,3'-Dichlorobenzidine
0.02
0.00019
0.02
1,2-Dichloroethane
0.005
0.00094
0.0003
Dieldrin
0.009
0.0000053
0.009
2,6-Dinitrotoluene
0.00031
0.0001
0.00031
Heptachlor
0.0004
0.000019
0.013
Heptachlor epoxide
0.0002
0.0000094
0.015
Hexachlorobenzene
0.00006
0.000053
0.00006
Alpha-HCH
0.00011
0.000014
0.000111
Tetrachloroethylene
0.005
0.0016
0.0004
Toxaphene
0.003
0.000077
0.00086
Vinyl chloride
0.002
0.000045
0.0002
Ionizable Organics
N-Nitrosodi-n-propylamine
0.0018
0.000012
0.0018
Pentachlorophenol
0.001
0.00071
0.000076
2,4,6-Trichlorophenol
0.01
0.007
0.01
Inorganics
Arsenic
0.05
0.000057
0.001