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1 Falling Head Permeability <br /> ASTM D 5084 <br />' Cooper Testing Lab, Inc. <br /> Job NO 255-099b Boring MW-4 Date 08/12/98 <br />' Client Advanced GeoEnv Sample By DC <br /> Project Sierra Lumber Depth 45' <br />' Soil gray CLAY to silty SAND, change, (Mostly CLAY-clay tested) <br /> Sample Pressures Max Hydraulic <br /> Cell 62 psi Bot Cap 58 psi Top Cap 56 psi Gradient 24 <br /> Elapsed Time (min) Head, (in) Permeability cm/sec <br /> 0 7038 Start of Test <br />' 232 7008 7 3 x 10E-8 <br /> 1244 6948 4 4 x 1 OE-8 <br /> 2765 6868 3 6 x 10E-8 <br /> 1 4075 6828 3 1 x 1 OE-8 <br /> 4627 6808 2 6 x 10E-8 <br />' 5498 6788 2 6 x 10E-8 <br /> Average Permeability 3 x 1 OE-8 cm/sec <br />' Sample Data Initial Final <br /> Height, in 292 294 <br /> Diameter, in 1 92 192 <br /> Area, in2 290 291 <br />' Volume, in3 845 855 <br /> Total Volume, cc 13854 14007 <br /> Vol of Solids, cc 8407 8407 <br /> Vol of Voids, cc 5447 5600 <br /> Void Ratio 065 067 <br /> Porosity, % 3932 3998 <br />' Saturation, % 9767 9982 <br /> Sp Gravity 280 assumed 280 <br />' Wet Weight, gm 2886 2913 <br /> Dry Weight, gm 2354 2354 <br /> Tare, gm 000 000 <br />' Moisture, % 226 237 <br /> • Dry Density, pcf 1060 1049 <br /> Remarks <br /> I 1 <br />