Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 742 - TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES
Subpart L - BUILDING CONTROL TECHNOLOGIES
Appendix B - Tier 1 Illustrations and Tables
Table E - Tier 1 Groundwater Remediation Objectives for the Groundwater Component of the Groundwater Ingestion Route
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
Organics |
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83-32-9 |
Acenaphthene |
0.42 |
2.1 |
67-64-1 |
Acetone |
6.3 |
6.3 |
15972-60-8 |
Alachlor |
0.002c |
0.01c |
116-06-3 |
Aldicarb |
0.003c |
0.015c |
309-00-2 |
Aldrin |
0.014a |
0.07 |
120-12-7 |
Anthracene |
2.1 |
10.5 |
1912-24-9 |
Atrazine |
0.003c |
0.015c |
71-43-2 |
Benzene |
0.005c |
0.025c |
56-55-3 |
Benzo(a)anthracene |
0.00013a |
0.00065 |
205-99-2 |
Benzo(b)fluoranthene |
0.00018a |
0.0009 |
207-08-9 |
Benzo(k)fluroanthene |
0.00017a |
0.00085 |
50-32-8 |
Benzo(a)pyrene |
0.0002a,c |
0.002c |
65-85-0 |
Benzoic Acid |
28 |
28 |
111-44-4 |
Bis(2-chloroethyl)ether |
0.01a |
0.01 |
117-81-7 |
Bis(2-ethylhexyl)phthalate (Di(2-ethylhexyl)phthalate) |
0.006c |
0.06c |
75-27-4 |
Bromodichloromethane (Dichlorobromomethane) |
0.0002a |
0.0002 |
75-25-2 |
Bromoform |
0.001a |
0.001 |
71-36-3 |
Butanol |
0.7 |
0.7 |
85-68-7 |
Butyl benzyl phthalate |
1.4 |
7.0 |
86-74-8 |
Carbazole |
--- |
--- |
1563-66-2 |
Carbofuran |
0.04c |
0.2c |
75-15-0 |
Carbon disulfide |
0.7 |
3.5 |
56-23-5 |
Carbon tetrachloride |
0.005c |
0.025c |
57-74-9 |
Chlordane |
0.002c |
0.01c |
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
106-47-8 |
4-Chloroaniline (p-Chloroaniline) |
0.028 |
0.028 |
108-90-7 |
Chlorobenzene (Monochlorobenzene) |
0.1c |
0.5c |
124-48-1 |
Chlorodibromomethane (Dibromochloromethane) |
0.14 |
0.14 |
67-66-3 |
Chloroform |
0.0002a |
0.001 |
95-57-8 |
2-Chlorophenol (pH 4.9 -7.3) |
0.035 |
0.175 |
2-Chlorophenol (pH 7.4 -8.0) |
0.035 |
0.035 |
|
218-01-9 |
Chrysene |
0.0015a |
0.0075 |
94-75-7 |
2,4-D |
0.07c |
0.35c |
75-99-0 |
Dalapon |
0.2c |
2.0c |
72-54-8 |
DDD |
0.014a |
0.07 |
72-55-9 |
DDE |
0.01a |
0.05 |
50-29-3 |
DDT |
0.006a |
0.03 |
53-70-3 |
Dibenzo(a,h)anthracene |
0.0003a |
0.0015 |
96-12-8 |
1,2-Dibromo-3-chloropropane |
0.0002c |
0.0002c |
106-93-4 |
1,2-Dibromoethane (Ethylene dibromide) |
0.00005c |
0.0005c |
84-74-2 |
Di-n-butyl phthalate |
0.7 |
3.5 |
95-50-1 |
1,2-Dichlorobenzene (o - Dichlorobenzene) |
0.6c |
1.5c |
106-46-7 |
1,4-Dichlorobenzene (p - Dichlorobenzene) |
0.075c |
0.375c |
91-94-1 |
3,3'-Dichlorobenzidine |
0.02a |
0.1 |
75-34-3 |
1,1-Dichloroethane |
0.7 |
3.5 |
107-06-2 |
1,2-Dichloroethane (Ethylene dichloride) |
0.005c |
0.025c |
75-35-4 |
1,1-Dichloroethyleneb |
0.007c |
0.035c |
156-59-2 |
cis-1,2-Dichloroethylene |
0.07c |
0.2c |
156-60-5 |
trans-1,2-Dichloroethylene |
0.1c |
0.5c |
120-83-2 |
2,4-Dichlorophenol |
0.021 |
0.021 |
78-87-5 |
1,2-Dichloropropane |
0.005c |
0.025c |
542-75-6 |
1,3-Dichloropropene (1,3-Dichloropropylene, cis + trans) |
0.001a |
0.005 |
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
60-57-1 |
Dieldrin |
0.009a |
0.045 |
84-66-2 |
Diethyl phthalate |
5.6 |
5.6 |
105-67-9 |
2,4-Dimethylphenol |
0.14 |
0.14 |
51-28-5 |
2,4-Dinitrophenol |
0.014 |
0.014 |
121-14-2 |
2,4-Dinitrotoluene |
0.00002a |
0.00002 |
606-20-2 |
2,6-Dinitrotoluene |
0.00031a |
0.00031 |
88-85-7 |
Dinoseb |
0.007c |
0.07c |
117-84-0 |
Di-n-octyl phthalate |
0.14 |
0.7 |
115-29-7 |
Endosulfan |
0.042 |
0.21 |
145-73-3 |
Endothall |
0.1c |
0.1c |
72-20-8 |
Endrin |
0.002c |
0.01c |
100-41-4 |
Ethylbenzene |
0.7c |
1.0c |
206-44-0 |
Fluoranthene |
0.28 |
1.4 |
86-73-7 |
Fluorene |
0.28 |
1.4 |
76-44-8 |
Heptachlor |
0.0004c |
0.002c |
1024-57-3 |
Heptachlor epoxide |
0.0002c |
0.001c |
118-74-1 |
Hexachlorobenzene |
0.00006a |
0.0003 |
319-84-6 |
alpha-HCH (alpha-BHC) |
0.00011a |
0.00055 |
58-89-9 |
gamma-HCH (Lindane) |
0.0002c |
0.001c |
77-47-4 |
Hexachlorocyclopentadiene |
0.05c |
0.5c |
67-72-1 |
Hexachloroethane |
0.007 |
0.035 |
193-39-5 |
Indeno(1,2,3-c,d)pyrene |
0.00043a |
0.00215 |
78-59-1 |
Isophorone |
1.4 |
1.4 |
72-43-5 |
Methoxychlor |
0.04c |
0.2c |
74-83-9 |
Methyl bromide (Bromomethane) |
0.0098 |
0.049 |
75-09-2 |
Methylene chloride (Dichloromethane) |
0.005c |
0.05c |
95-48-7 |
2-Methylphenol (o-Cresol) |
0.35 |
0.35 |
91-20-3 |
Naphthalene |
0.14 |
0.22 |
98-95-3 |
Nitrobenzeneb |
0.0035 |
0.0035 |
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
86-30-6 |
N-Nitrosodiphenylamine |
0.0032a |
0.016 |
621-64-7 |
N-Nitrosodi-n-propylamine |
0.0018a |
0.0018 |
87-86-5 |
Pentachlorophenol |
0.001c |
0.005c |
108-95-2 |
Phenol |
0.1c |
0.1c |
1918-02-1 |
Picloram |
0.5c |
5.0c |
1336-36-3 |
Polychlorinated biphenyls (PCBs) |
0.0005c |
0.0025c |
129-00-0 |
Pyrene |
0.21 |
1.05 |
122-34-9 |
Simazine |
0.004c |
0.04c |
100-42-5 |
Styrene |
0.1c |
0.5c |
93-72-1 |
2,4,5-TP (Silvex) |
0.05c |
0.25c |
127-18-4 |
Tetrachloroethylene (Perchloroethylene) |
0.005c |
0.025c |
108-88-3 |
Toluene |
1.0c |
2.5c |
8001-35-2 |
Toxaphene |
0.003c |
0.015c |
120-82-1 |
1,2,4-Trichlorobenzene |
0.07c |
0.7c |
71-55-6 |
1,1,1-Trichloroethaneb |
0.2c |
1.0c |
79-00-5 |
1,1,2-Trichloroethane |
0.005c |
0.05c |
79-01-6 |
Trichloroethylene |
0.005c |
0.025c |
95-95-4 |
2,4,5-Trichlorophenol (pH 4.9-7.8) |
0.7 |
3.5 |
2,4,5-Trichlorophenol (pH 7.9 -8.0) |
0.7 |
0.7 |
|
88-06-2 |
2,4,6-Trichlorophenol (pH 4.9-6.8) |
0.01a |
0.05 |
2,4,6-Trichlorophenol (pH 6.9 -8.0) |
0.01 |
0.01 |
|
108-05-4 |
Vinyl acetate |
7.0 |
7.0 |
75-01-4 |
Vinyl chloride |
0.002c |
0.01c |
1330-20-7 |
Xylenes (total) |
10.0c |
10.0c |
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
Inorganics |
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7440-36-0 |
Antimony |
0.006c |
0.024c |
7440-38-2 |
Arsenic |
0.05c |
0.2c |
7440-39-3 |
Barium |
2.0c |
2.0c |
7440-41-7 |
Beryllium |
0.004c |
0.5c |
7440-42-8 |
Boron |
2.0c |
2.0c |
7440-43-9 |
Cadmium |
0.005c |
0.05c |
7440-70-2 |
Calcium |
---d |
---d |
16887-00-6 |
Chloride |
200c |
200c |
7440-47-3 |
Chromium, total |
0.1c |
1.0c |
18540-29-9 |
Chromium, ion, hexavalent |
--- |
--- |
7440-48-4 |
Cobalt |
1.0c |
1.0c |
7440-50-8 |
Copper |
0.65c |
0.65c |
57-12-5 |
Cyanide |
0.2c |
0.6c |
7782-41-4 |
Fluoride |
4.0c |
4.0c |
15438-31-0 |
Iron |
5.0c |
5.0c |
7439-92-1 |
Lead |
0.0075c |
0.1c |
7439-95-4 |
Magnesium |
---d |
---d |
7439-96-5 |
Manganese |
0.15c |
10.0c |
7439-97-6 |
Mercury |
0.002c |
0.01c |
7440-02-0 |
Nickel |
0.1c |
2.0c |
14797-55-8 |
Nitrate as N |
10.0c |
100c |
7723-14-0 |
Phosphorus |
---d |
---d |
7440-09-7 |
Potassium |
---d |
---d |
7782-49-2 |
Selenium |
0.05c |
0.05c |
7440-22-4 |
Silver |
0.05c |
--- |
7440-23-5 |
Sodium |
---d |
---d |
14808-79-8 |
Sulfate |
400c |
400c |
Groundwater Remediation Objective |
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CAS No. |
Chemical Name |
Class I (mg/L) |
Class II (mg/L) |
7440-28-0 |
Thallium |
0.002c |
0.02c |
7440-62-2 |
Vanadiumb |
0.049 |
0.1 |
7440-66-6 |
Zinc |
5.0c |
10c |
Chemical Name and Groundwater Remediation Objective Notations
a The groundwater remediation objective is equal to the ADL for carcinogens according to the procedures specified in 35 Ill. Adm. Code 620.
b Oral Reference Dose and/or Reference Concentration under review by USEPA. Listed values subject to change.
c Value listed is also the Groundwater Quality Standard for this chemical pursuant to 35 Ill. Adm. Code 620.410 for Class I Groundwater or 35 Ill. Adm. Code 620.420 for Class II Groundwater.
d This chemical is included in the Total Dissolved Solids (TDS) Groundwater Quality Standard of 1,200 mg/L pursuant to 35 Ill. Adm. Code 620.410 for Class I Groundwater or 35 Ill. Adm. Code 620.420 for Class II Groundwater.