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 (θ w) Soil Texture a Saturated Hydraulic Conductivity, K s (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)