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WELL PURGING AND SAMPLING LOG <br /> Project Name BFS-STOCKTON Date 916100 <br /> Project Number 11 ST-3 Well Number MW-3 <br /> Location Stockton Recorded by A Drummond <br /> WELL PURGING, Depth to Water 1801 <br /> Purge Method 1" bailer Total Depth 3496 <br /> Decon Method Triple rinse with DI water Water Column 1695 <br /> Purge Volume 2"casing(0 16 gallft) 4"casing(0 65 gallft) 6"casing(1 47 gal/ft) <br /> 3 casing volumes x 016 gallft x 1695 ft — 814 gallons <br /> DTW PURGED TEMP COND TURBIDITY <br /> TIME (feet) (gal ) (°F) (Its/cm) pH (NTUs) NOTES <br /> 1020 1805 10 738 1,110 7 1 637 Very murky <br /> 1030 1818 20 736 1,108 T3 582 Very murky <br /> 1035 1815 40 728 970 72 1,090 Very muddy <br /> 1040 1818 55 796 1,080 71 646 Murky <br /> 1102 1819 65 724 1,170 71 1,085 Very murky <br /> 1110 1815 75 726 1,040 71 1,046 Murky <br /> 1120 18 W 85 724 1,035 71 1,040 Murky <br /> 1130 1815 100 762 1,120 72 778 Murky <br /> 1140 1806 -- -- -- -- -- Collected Sample MW-3 <br /> Total Purged Volume(gallons) 100 Number of Casing Volumes 37 <br /> WELL SAMPLING, I <br /> Sample Method New disposable bailer with new nylon line <br /> Decon Method Not applicable <br /> Sample Container 40-m1 glass VOA vials wl HCI <br /> Sample Identification MW-1 <br /> OBSERVATIONINOTESICALIBRATION RECORD. <br /> Calibrated Hanna 9812 water quality meter and La Motte 2020 turbidity meter <br /> CRl ")N <br /> Is BMSTOCKTONVLOG003 XLSI 1013100 <br /> I <br />