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Table 6: Soil Physical Parameters <br /> Georges Service <br /> 1600 Durham Ferry Rd. <br /> Tracy, CA <br /> Project No.: 425.2 <br /> Sample Date Laboratory Porosity Specific Moisture Dry Density Permeability* Permeability* <br /> Classification % Gravity % lbs/113 cm/sec ft/yr. <br /> SB-105 30.5-31 6/30/98 SAND(SP) 35.52 2.7 19.8 108.6 0.02 20692.9134 • <br /> MW-107 45.5-46 7/1/98 SILTY SAND(SM) 27.15 2.71 13.1 123.2 6.00E-04 620.787402 <br /> MW-202 50.5-51 6/29/98 CLAYEY SAND(SC) 37.27 2.72 21 106.5 1.00E-06 1.03464567 <br /> MW-202 65.5-66 7/1/98 SANDY CLAY(CL) 38.62 2.7 22.7 103.4 1.00E-07 0.103464567 <br /> MW-202 80.5-81 7/1/98 SILTY SAND w/GRAVEL(SM-SW) 24.58 2.71 12 127.5 1.00E-04 103.464567 <br /> •Permeability is Cofficient of Pelmability or Hydraulic Conductivity <br /> • <br /> y'eo�igica!?ec/inicrinc. 10/16/00 <br />