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ERM West Pumping test analysis Page 4 <br /> 1777 Botelho Or Time-Drawdown plat <br /> Walnut creek CA Project Heinz, Tracy <br /> (925)946-0455 Evaluated by BSB Date 318199 <br /> Pumping Test No 1 Test conducted on 2113199 <br />' MW-6 MW-6 <br /> Static water level 0 00 ft below datum <br /> Pumping test duration Water level Drawdown <br /> ]min] IN Old [ft] <br /> U 62 <br /> 063 018 018 <br /> 068 018 018070 018 0191 <br /> 072 017 017 <br /> 58 075 017 017 <br /> 075 017 017 <br /> 077 017 017 <br /> 62 -080 017 017 <br /> 64 083 017 U17 <br /> 085 017 017 <br /> 087 017 017 <br /> 67 088 016 016 <br /> 1 <br /> 1 <br /> 1 <br /> lie 68 090 016 016 <br /> 093 016 01673 098 016 0161095 016 016 <br /> 75-- 120 015 0151 <br /> 76 140 014 014 <br /> 77 160 013 013 <br /> fF 180 012 012 <br /> IF 200 012 <br /> 80 220 Oil Oil <br /> 240 010 D-T(3 <br /> 82-- 260 010 010 <br /> 2 8G Ulu <br /> 340 008 008 <br /> 8T- 360 008 008 <br /> 1W 380 008 008 <br /> W 400 007 007 <br /> -9y 420 007 007 <br /> 92- 460 006 006 <br /> 480 006 006 <br /> 500 006 0 06 <br /> 520 006 006 <br /> 540 005 005 <br /> 560 005 005 <br /> 580 005 005 <br /> 600 j 005 005 <br /> [—Tool 620 005 0-05-7 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> • <br /> 1 <br /> 1 <br />