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WELL PURGING AND SAMPLING LOG <br /> Project Name BFS-STOCKTON Date 118101 <br /> Project Number 11ST-5A Well Number MW-3 <br /> Location Stockton Recorded by A Drummond <br /> WELL PURGING. Depth to Water 1960 <br /> Purge Method 1 5"Teflon bailer Total Depth 3500 <br /> Decon Method Triple rinse with DI water Water Column 15 40 <br /> Purge Volume 2"casing(0 16 gallft} 4"casing(0 65 gal/ft) 6"casing(1 47 gal/ft) <br /> 3 casing volumes x 016 gal/ft x 154 7 4 gallons <br /> DTW PURGED TEMP COND <br /> TIME (feet) (gal) (°F) (As/cm) pH NOTES <br /> 1030 1960 0 608 955 746 Slightly murky <br /> 1035 1962 15 617 1,050 741 Slightly murky <br /> 1045 1965 25 623 1,052 739 Murky <br /> 1050 1967 35 629 987 741 Murky <br /> 1055 1967 45 637 943 740 Slightly murky <br /> 1100 1962 55 634 952 740 Slightly murky <br /> 1105 <br /> 1963 65 626 1 1,030 742 Same <br /> 1110 1964 75 621 940 742 Clearing <br /> 1115 1 1965 1 85 61 8 936 1 743 Collected Sample MW-3 <br /> Total Purged Volume (gallons) 85 Number of Casing Volumes 344 <br /> WELL SAMPLING, <br /> Sample Method New disposable bailer_ with new nylon line <br /> Decon Method Not applicable <br /> Sample Container Three 40-m1 glass VOA vials wl HCI <br /> Sample Identification MW-3 <br /> OBSERVAII01NOTESICALIBRATION RECORD. <br /> Calibrated H dac water uali meter with pH and EC solutions <br /> (rR17N <br /> IS BFSGTOCKTONI G0003 XLS] 1013100 <br />