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~~ <br />• <br /> for 30 minutes after airlifting had stopped. Data collected during the airlifting <br />and the recovery test is presented i^ Figure A-6.. <br />Recovery data is presented on a semi-log plot on Figure A-6. The straight <br />line fit of the recovery data yields a transmissivity value of 29 gal/day/ft for the <br />Third White Sandstone aquifer near well GC-2. Permeability was calculated to be <br />0.07 ft/day. The good straight line fit of the data for well GC-2 is thought to <br />give an accurate transmissivity value for the aquifer in this area. <br />A-2 .6 GC-3 TEST <br />A multi-well pump test was conducted September 23, 1985 on the alluvial <br />aquifer near well GC-3 using wells GC-3A and GC-3B as observation wells and well <br />l <br />• GC-3 as the pumping well. Water-level data was collected for nearly 380 minutes of <br />pumping in well GC-3. An average discharge rate of 4.6 gpm was maintained. Table <br />A-7 presents the aquifer-test data for well GC-3. Drawdowns on Table A-7 were <br />corrected for aquifer thinning. Section A-3 .0, Part A of Appendix V discusses <br />aquifer thinning. <br />A straight line fit of the data in Figure A-7 yields a transmissivity and <br />permeability of 520 gal/day/ft and 1.14 ft/day, respectively. The mid-time data was <br />used for the straight line fit because a slight decrease in discharge caused a shift <br />in the early data. This value is thought to be lower than the transmissivity for <br />the alluvium near well GC-3. <br />i <br />A-4 (~9A5~Q FAQ 1 ~'8a <br />