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)