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 D - pH Specific Soil Remediation Objectives for Inorganics and Ionizing Organics for the Soil Component of the Groundwater Ingestion Route (Class II Groundwater)

Universal Citation: 35 IL Admin Code ยง D
Current through Register Vol. 48, No. 38, September 20, 2024

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

20

20

20

20

20

20

20

20

20

20

20

Arsenic

100

100

100

110

110

120

120

120

120

130

130

Barium

260

490

850

1,200

1,500

1,600

1,700

1,800

2,100

__a

__a

Beryllium

140

260

420

820

2,800

7,900

17,000

130,000

1,000,000

__a

__a

Cadmium

10

17

27

37

52

75

110

590

4,300

__a

__a

Chromium (+6)

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No

Data

No Data

No Data

Copper

330

580

2,100

11,000

59,000

130,000

200,000

330,000

330,000

__a

__a

Cyanide

120

120

120

120

120

120

120

120

120

120

120

Lead

300

300

300

300

1,420

1,420

1,420

1,420

1,420

1,420

3,760

Mercury

0.05

0.06

0.14

0.75

4.4

10

16

32

40

__a

__a

Nickel

400

730

1,100

1,500

2,000

2,600

3,500

14,000

76,000

__a

__a

Selenium

24

17

12

8.8

6.3

5.2

4.5

3.3

2.4

1.8

1.3

Thallium

16

18

20

24

26

28

30

34

38

44

49

Zinc

2,000

3,600

5,200

7,200

10,000

12,000

15,000

32,000

110,000

__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

20

20

20

20

20

20

19

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

84

45

19

8.2

4.3

3.4

3.1

2.7

2.5

2.5

2.5

Pentachlorophenol

2.7

1.6

0.75

0.33

0.18

0.15

0.12

0.11

0.10

0.10

0.10

2,4,5-TP (Silvex)

130

79

62

57

55

55

55

55

55

55

55

2,4,5-Trichlorophenol

2,000

2,200

1,900

1,800

1,600

1,400

1,200

640

64

36

26

2,4,6-Trichlorophenol

1.9

1.8

1.7

1.4

1.0

0.77

0.13

0.09

0.07

0.07

0.07

a No data available for this pH range.

Disclaimer: These regulations may not be the most recent version. Illinois may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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