Ill. Admin. Code tit. 35, pt. 742, subpt. L, app B, tbl. E

Current through Register Vol. 48, No. 49, December 6, 2024

Table E - Tier 1 Groundwater Remediation Objectives for the Groundwater Component of the Groundwater Ingestion Route

		Groundwater Remediation Objective
CAS No.	Chemical Name	Class I (mg/L)	Class II (mg/L)
	Organics
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
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
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
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
CAS No.	Chemical Name	Class I (mg/L)	Class II (mg/L)
	Inorganics
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
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.

Ill. Admin. Code tit. 35, pt. 742, subpt. L, app B, tbl. E

Amended at 31 Ill. Reg. 4063, effective February 23, 2007