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WELL PURGING AND SAMPLING LOG <br /> Project Name: BFS-STOCKTON Date: 4119101 <br /> Project Number: 11 ST-6C Well Number: MW-3 <br /> Location: 400 N. EI Dorado Ave. Recorded by: A. Drummond <br /> WELL PURGING: Depth to Water: 19.01 <br /> Purge Method: 1.5'Teflon bailer Total Depth: 34.80 <br /> Decon. Method: Triple rinse with DI water Water Column: 15.79 <br /> Purge Volume: 2"casing(0.16 gallft.) 4"casing(0.65 gallft.) 6"casing(1.47 gallft.) <br /> 3 casing volumes x 0.16 gal/ft. x 15.79 - 7.6 gallons <br /> DTW PURGED TEMP COND. <br /> TIME (feet) (gal.) (°F) (µslcm) pH NOTES <br /> 1135 19.16 1.5 73.8 1,024 7.58 Slightly murky <br /> 1140 -- 2.5 72.6 1,082 7.31 Murky <br /> 1145 19.19 3.5 72. 1,120 7.12 Murky <br /> 1150 -- 4.5 72.0 1,010 7.11 Murky <br /> 1155 19.08 5.5 71.4 1,027 7.12 Same <br /> 1200 -- 6.5 69.3 1,008 7.16 Same <br /> 1205 -- 7.5 70.1 1,010 7.14 -- <br /> 1210 j 19.05 8.5 70.4 1,009 7.13 Finished purge <br /> 1215 1 -- I -- -- -- -- Collected Sample MW-3 <br /> Total Purged Volume (gallons): 8.5 Number of Casing Volumes: 3.4 <br /> WELL SAMPLING: <br /> Sample Method: New disposable bailer with new nylon line <br /> Decon. Method: Not applicable <br /> Sample Container: Three 40-ml glass VOA vials wl HCI <br /> Sample Identification: MW-3 <br /> QBSERVATIONINOTESICALIBRATION RECORD <br /> Calibrated H dac water quality meter with pH and EC solutions. <br /> C- ,RI 'IN <br /> [S:8FS�ST0CKT0NIL0G00&XLS] 4123101 <br /> A ! , ! - ! . 9 , J ! 1 ! ! <br />