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 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.