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Falling Head Permeability <br /> ASTM D 5084 <br /> Cooper Testing Lab, Inc. <br />' Job No- 255-009a Boring MW-4 Date, 08/11/98 <br /> Client Advanced GeoEnv Sample By DC <br /> I Project Sierra !_umber Depth 25' <br /> Soil brown sandy CLAY <br /> Sample Pressures Max Hydraulic <br />' Cell 52 psi Bot Cap. 48 psi Top Cap 46 psi Gradient. 27 <br />' Elapsed Time (min) Head, (cm) Permeability cm/sec <br /> 0 16867 Start of Test <br /> 70 16757 2 2 x 10E-7 <br /> 231 16497 2 2 x 10E-7 <br /> 1240 15017 2 4 x 10E-7 <br /> 0 16867 <br />' 1488 14937 2 0 x 10E-7 <br /> 0 16867 <br /> 1295 151 37 2 1 x 10E-7 <br /> Average Permeability 2 x 10E-7 cm/sec <br /> Sample Data Initial Final <br /> Height, in 250 250 <br /> Diameter, in 1 92 1 93 <br /> Area, in2 290 293 <br /> Volume, in3 724 731 <br /> Total Volume, cc 11861 11985 <br /> Vol of Solids, cc 7500 7500 <br /> Vol of Voids, cc 4361 4485 <br /> Void Ratio 058 060 <br /> Porosity, % 3677 3742 <br /> Saturation, % 96 76 9766 <br /> Sp Gravity 280 yassw-Aed 280 <br /> Wet Weight, gm 2522 2538 <br />' Dry Weight, gm 2100 2100 <br /> Tare, gm Q O0 000 <br /> Moisture, % 201 209 <br /> Dry Density, pcf 110 5 1093 <br /> Remarks <br />