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WELL PURGING AND SAMPLING LOG <br /> Project Name: BFS-STOCKTON Date: 4119101 <br /> Project Number: 11 ST-15C Well Number: MW-1 <br /> Location: 400 N. El Dorado Ave. Recorded by: A. Drummond <br /> WELL I?URGING: Depth to Water: 18.91 <br /> Purge Method: 1.5"Teflon bailer Total Depth: 34.9 <br /> 1 Decon. Method: Triple rinse with Dl water Water Column: 16.0 <br /> J Purge Volume: 2"casing(0.16 gallft.) 4"casing(0.65 gal/ft.) 6"casing(1.47 gal/ft.) <br /> 3 casing volumes x 0.16 gal/ft. x 16.0 = 7.7 gallons <br /> DTW PURGED TEMP COND. <br /> TIME (feet) (gal.) (°F) (01CM) pH NOTES <br /> 1430 -- 1.0 68.4 917 7.02 Slightly murky <br /> 1435 18.92 2.5 69.4 884 7.11 Same, No odor <br /> 1440 -- 3.5 68.7 871 7.12 Slightly murky <br /> 1445 19.94 5.5 68.8 867 7.13 Slightly murky <br /> 1500 18.91 8.0 69.5 903 7.53 Finished purge <br /> 1510 1 -- -- __ -- -- Collected Sample MW-1 <br /> Total Purged Volume (gallons): 8.0 Number of Casing Volumes: 3.1 <br /> SAMPLING:WELL <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-1 <br /> 013SERVATIONINOTESICALIBRATION RECORD.- <br /> Verified Hydac calibration. <br /> C,Rl 'IN <br /> [S:B FS\STOCKTONILOG006.XLSl 4123101 <br /> ! ! . J ! ! - ,! ! 3 ! ! a ! ! 1 ! ! ! ! <br />