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ERM West Pumping test analysis Page 4 <br /> 1777 Botelho Dr Time-Drawdown plot <br /> Walnut Creek CA with discharge Project Heinz, Tracy <br /> (925)946-0455 Evaluated by BSB Date 318199 <br /> Pumping Test No 1 Test conducted on 2113199 <br /> MW-2 MW-2 <br /> Static water level 0 00 ft below datum <br /> Pumping test duration Water level Drawdown <br /> [min] 063 [ftl fftl 1 42 <br /> 142 <br /> 065 142 142 <br /> 066 141 141 <br /> 070 139 1 39 <br /> 071 1 38 136 <br /> 075 1 37 1 37 <br /> 076 136 136 <br /> 60 U 15 135 1 356T 083 1 33 1 33085 1 32 1 32161 080 134 1 34081 1 34 134 <br /> 086 1 31 131 <br /> 66 088 1 30 1 30 <br /> 67 090 1 30 1 30 <br /> 091 1 29 129 <br /> 093 129 129 <br /> 71 096 127 1 27 <br /> 72 098 126 <br /> 767 178 094 094 <br /> 198 087 087 <br /> 78 218 082 082 <br /> 80 258 072 072 <br /> BT 278 067 067 <br /> 82- 298 063 063 <br /> 83- 318 060 060 <br /> 338 056 056 <br /> 358 053 053 <br /> 378 050 050 <br /> 398 048 048 <br /> 418 045 045 <br /> 438 043 043 <br /> 458 041 041 <br /> 478 039 039 <br /> --DT 498 038 038 <br /> 518 036 036 <br /> 538 034 034 <br /> 558 033 033 <br /> 578 032 032 <br /> 598 031 031 <br /> 618 030 030 <br /> 638 029 029 <br /> 028 028 <br /> t <br /> 1 <br /> 1 <br />