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GROUND WATER PUMP TEST DRAW-DOWN RESULTS <br /> SIERRA LUMBER <br />' 375 West Hazelton Avenue, Stockton, California <br />' DRAW-DOWN <br /> 10-Minute 100-Minute 200-Minute 300-Minute <br /> IEW-1 12 2 FT 21 8 FT 24 4 FT 26 2 FT <br />' MW-1 0 32 FT 0 68 FT 0 79 FT 0 86 FT <br /> MW-2 0 66 FT 148 FT 1 72 FT 1 87 FT <br />' MW-4a 0 65 FT 1 39 FT 1 61 FT 1 76 FT <br /> I <br /> CALCULATIONS <br /> T <br /> (GPD/ft) S As (ft) to (min) to (days) r (ft) Q (GPM) <br /> EW-1 3575 015 96 05 3 47 x 104 05 13 <br /> MW-1 9,533 0 011 036 1 3 9 03 x 10-4 15 13 <br />' MW-2 4,185 0 011 082 1 3 9 03 x 10-4 10 13 <br />' MW-4a 1 4,638 0 079 1 074 1 1 3 1 9 03 x 10-4 4 13 <br /> T = transmissivity <br /> S =storativity <br /> As = draw-dawn per i-logarithmic cycle <br /> to s intercept of the straight line at the zero-time scale axis <br />' r=radius from pumping well in feet <br /> Q = constant pumping rate <br /> I <br /> I <br /> Advanced GeoEnvironmental,Inc <br />