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 C TIER 2 ILLUSTRATIONS AND TABLES



Section 742.APPENDIX C   Tier 2 Illustrations and Tables

 

Section 742.TABLE K   Parameter Estimates for Calculating Water-Filled Soil Porosity (θw)

 

Soil Texturea

Saturated Hydraulic

Conductivity, Ks (m/yr)

1/(2b+3)b

Sand

1,830

0.090

Loamy Sand

540

0.085

Sandy Loam

230

0.080

Silt Loam

120

0.074

Loam

60

0.073

Sandy Clay Loam

40

0.058

Silt Clay Loam

13

0.054

Clay Loam

20

0.050

Sandy Clay

10

0.042

Silt Clay

8

0.042

Clay

5

0.039

 

a   The appropriate texture classification is determined by a particle size analysis by ASTM D2488-93 as incorporated by reference in Section 742.210 and the U.S. Department of Agriculture Soil Textural Triangle shown in Appendix C, Illustration C.

 

b   Where b is the soil-specific exponential parameter (unitless)

 

(Source:  Amended at 31 Ill. Reg. 4063, effective February 23, 2007)