TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE G: WASTE DISPOSAL CHAPTER I: POLLUTION CONTROL BOARD SUBCHAPTER f: RISK BASED CLEANUP OBJECTIVES
PART 742
TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES
SECTION 742.APPENDIX B TIER 1 ILLUSTRATIONS AND TABLES
Section 742.APPENDIX B Tier 1 Illustrations and Tables
Section 742.TABLE C pH Specific Soil Remediation
Objectives for Inorganics and Ionizing Organics for the Soil Component of the
Groundwater Ingestion Route (Class I Groundwater)
Chemical
(totals) (mg/kg)
|
pH 4.5 to 4.74
|
pH
4.75 to 5.24
|
pH
5.25 to 5.74
|
pH
5.75 to 6.24
|
pH
6.25 to 6.64
|
pH
6.65
to 6.89
|
pH
6.9
to 7.24
|
pH
7.25
to 7.74
|
pH
7.75
to 8.24
|
pH
8.25 to 8.74
|
pH 8.75 to 9.0
|
Inorganics
|
|
|
|
|
|
|
|
|
|
|
|
Antimony
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
Arsenic
|
25
|
26
|
27
|
28
|
29
|
29
|
29
|
30
|
31
|
32
|
33
|
Barium
|
260
|
490
|
850
|
1,200
|
1,500
|
1,600
|
1,700
|
1,800
|
2,100
|
__a
|
__a
|
Beryllium
|
1.1
|
2.1
|
3.4
|
6.6
|
22
|
63
|
140
|
1,000
|
8,000
|
__a
|
__a
|
Cadmium
|
1.0
|
1.7
|
2.7
|
3.7
|
5.2
|
7.5
|
11
|
59
|
430
|
__a
|
__a
|
Chromium
(+6)
|
70
|
62
|
54
|
46
|
40
|
38
|
36
|
32
|
28
|
24
|
21
|
Copper
|
330
|
580
|
2,100
|
11,000
|
59,000
|
130,000
|
200,000
|
330,000
|
330,000
|
__a
|
__a
|
Cyanide
|
40
|
40
|
40
|
40
|
40
|
40
|
40
|
40
|
40
|
40
|
40
|
Lead
|
23
|
23
|
23
|
23
|
107
|
107
|
107
|
107
|
107
|
107
|
282
|
Mercury
|
0.01
|
0.01`
|
0.03
|
0.15
|
0.89
|
2.1
|
3.3
|
6.4
|
8.0
|
__a
|
__a
|
Nickel
|
20
|
36
|
56
|
76
|
100
|
130
|
180
|
700
|
3,800
|
__a
|
__a
|
Selenium
|
24
|
17
|
12
|
8.8
|
6.3
|
5.2
|
4.5
|
3.3
|
2.4
|
1.8
|
1.3
|
Silver
|
0.24
|
0.33
|
0.62
|
1.5
|
4.4
|
8.5
|
13
|
39
|
110
|
__a
|
__a
|
Thallium
|
1.6
|
1.8
|
2.0
|
2.4
|
2.6
|
2.8
|
3.0
|
3.4
|
3.8
|
4.4
|
4.9
|
Vanadium
|
980
|
980
|
980
|
980
|
980
|
980
|
980
|
980
|
980
|
980
|
980
|
Zinc
|
1,000
|
1,800
|
2,600
|
3,600
|
5,100
|
6,200
|
7,500
|
16,000
|
53,000
|
__a
|
__a
|
Chemical
(totals)
(mg/kg)
|
pH
4.5 to 4.74
|
pH
4.75 to 5.24
|
pH
5.25 to 5.74
|
pH
5.75 to 6.24
|
pH
6.25 to 6.64
|
pH
6.65 to 6.89
|
pH
6.9 to 7.24
|
pH
7.25 to 7.74
|
pH 7.75 to 8.24
|
pH
8.25 to 8.74
|
pH
8.75 to 9.0
|
Organics
|
|
|
|
|
|
|
|
|
|
|
|
Benzoic
Acid
|
440
|
420
|
410
|
400
|
400
|
400
|
400
|
400
|
400
|
400
|
400
|
2-Chlorophenol
|
4.0
|
4.0
|
4.0
|
4.0
|
3.9
|
3.9
|
3.9
|
3.6
|
3.1
|
2.2
|
1.5
|
2,4-Dichlorophenol
|
1.0
|
1.0
|
1.0
|
1.0
|
1.0
|
1.0
|
1.0
|
0.86
|
0.69
|
0.56
|
0.48
|
Dinoseb
|
8.4
|
4.5
|
1.9
|
0.82
|
0.43
|
0.34
|
0.31
|
0.27
|
0.25
|
0.25
|
0.25
|
Pentachlorophenol
|
0.54
|
0.32
|
0.15
|
0.07
|
0.04
|
0.03
|
0.02
|
0.02
|
0.02
|
0.02
|
0.02
|
2,4,5-TP
(Silvex)
|
26
|
16
|
12
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
2,4,5-Trichlorophenol
|
400
|
390
|
390
|
370
|
320
|
270
|
230
|
130
|
64
|
36
|
26
|
2,4,6-Trichlorophenol
|
0.37
|
0.36
|
0.34
|
0.29
|
0.20
|
0.15
|
0.13
|
0.09
|
0.07
|
0.07
|
0.07
|
a No data available for this pH range.
(Source: Amended at 31 Ill. Reg.
4063, effective February 23, 2007)
|