Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 742 - TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES
Subpart L - BUILDING CONTROL TECHNOLOGIES
Appendix C - Tier 2 Illustrations and Tables
Table K - Parameter Estimates for Calculating Water-Filled Soil Porosity ([THETAw])
Universal Citation: 35 IL Admin Code ยง K
Current through Register Vol. 48, No. 38, September 20, 2024
|
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)
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