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I <br /> Canepa Is Car Wash <br /> 6230 Pacific Avenue, Stockton, California <br /> Groundwater Pump Test <br /> Table 2 <br /> Tabular Summary of Time Drawdown Plots <br /> Average of <br /> MW-1 MW-4 MW-6 MW-7 MW 8 Observation WeUs <br /> MW-4, 6, 7& 8) <br /> As 083 0 137 0 093 0 105 0 114 0 112 <br /> to NA 00097 00057 00028 00104 00072 <br /> r 0 500 94 102 87 115 NA <br /> r❑ <br /> 140 <br /> 467 NA NA NA NA NA <br /> T 1,48540 8,99912 13,256 77 11,741 71 27,397 33 16,486 00 <br /> S - 00025 00021 00013 00039 00028 <br /> As= Slope of the time-drawdown graph expressed as the change in drawdown, in feet, <br /> between any two values of time on the log scale whose ratio is 10 <br /> to = Intercept of straight line at zero drawdown, in days (1 day= 1440 minutes) <br /> r = Distance, in feet, from center of pumped well to point where drawdown is measured <br /> r o-- Intercept at zero drawdown of extended straight line on a distance-drawdown curve, in feet <br /> Q = Pumping rate in gpm (gallons per minute) <br /> T = Coefficient of transmissibility in gpd/ft (gallons per day per foot) <br /> S = Storage coefficient In water table aquifers S also equals the Specific Yield of material <br /> de-watered during pumping <br /> I <br />