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Cambria Environmental Technology Pumping test analysis Date June 8, 1999 Attachment A, Page 5 <br /> 1144 65th St Time-Drawdown-method after <br /> Oakland CA COOPER&JACOB Project 341 Main St , Ripon, CA <br /> ph(510)420 0700 Unconfined aquifer Evaluated by B Jakub <br /> Pumping Test No 3 Test conducted on May 5, 1999 <br /> MW-1, Test well EW-1 MW 1 <br /> Discharge 11 40 U 5 gal/min Distance from the pumping well 42 85 ft <br /> Static water level 27 76 ft below datum <br /> Pumping test duration Water level Drawdown Corrected <br /> drawdown <br /> [min] [ft] [ft] [ft] <br /> 151 3 00 27 76 000 000 <br /> 152 320 2776 000 000 <br /> 153 340 2776 000 000 <br /> 154 360 2777 001 001 <br /> 155 380 2777 001 001 <br /> 156 400 2777 001 001 <br /> 157 420 2777 001 001 <br /> F160 <br /> 440 2777 001 001 <br /> 460 2777 001 001 <br /> 480 2777 001 001 <br /> 161 500 2777 001 001 <br /> 162 520 2777 001 001 <br /> 163 540 2777 001 001 <br /> 164 560 2777 001 001 <br /> 165 580 2777 001 001 <br /> 166 600 2777 001 001 <br /> 167 620 2777 001 001 <br /> 168 640 2778 002 002 <br /> 169 660 2778 002 002 <br /> 170 680 2778 002 002 <br /> 171 700 2778 0 02 002 <br /> 172 720 2778 002 002 <br /> 173 740 2778 002 002 <br /> 174 760 2779 002 002 <br /> 175 780 2779 002 002 <br /> 176 800 2779 002 002 <br /> 177 820 2779 002 002 <br /> 178 840 2779 002 002 <br /> 179 860 2779 003 003 <br /> 180 880 2779 003 —003 <br /> 181 900 2779 003 003 <br /> 182 920 2779 003 003 <br /> 183 940 27 79 003 003 <br /> 184 960 27 79 003 —003 <br /> 185 980 2779 003 003 <br /> 186 1000 2779 003 003 <br /> 187 1200 2780 004 —004 <br /> 188 1400 2781 005 005 <br /> 189 1600 2781 005 —005 <br /> 190 1800 2782 006 006 <br /> 191 2000 2782 006 006 <br /> 192 2200 2782 006 006 <br /> 193 2400 2783 007 007 <br /> 194 2600 2783 007 —007 <br /> 195 2800 2783 007 007 <br /> 196 3000 2784 008 —008 <br /> 197 3200 2784 008 008 <br /> 198 3400 2784 008 008 <br /> 199 3600 2784 008 008- <br /> 200 <br /> 08200 38 00 2784 008 008 <br />