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w ■w w ww �w w >• w IA■w w w s■w w� w ww w w w <br /> WELL PURGING AND SAMPLING LOG <br /> Project Name BFS-STOCKTON Date 118!01 <br /> Project Number 11 ST-5A Well Number MW-2 <br /> Location Stockton Recorded by A Drummond <br /> WELL PURGING Depth to Water 1920 <br /> Purge Method 15"Teflon batter Total Depth 350 <br /> Decon Method Triple rinse with DI water _ Water Column 158 <br /> Purge Volume 2"casing(0 16 gallft) 4"casing(0 65 gallft} 6"casing(1 47 gallft} <br /> 3 casing volumes x 016 gallft x 158 7 6 gallons <br /> DTW PURGED TEMP COND <br /> TIME (feet) (gal) (°F) (µskm) pH NOTES <br /> 1140 1920 0 598 741 741 Clear <br /> 1145 -- 15 599 802 743 Slightly murky, slight odor <br /> 1150 1 1926 25 598 782 745 Same <br /> 1155 -- 30 604 786 741 Same <br /> 1200 1931 50 61 1 789 739 -- <br /> 1205 -- 75 612 772 735 Slightly murky, slight odor <br /> 1210 1930 1 85 606 768 733 Collected Sample MW-2 <br /> Total Purged Volume(gallons) 85 Number of Casing Volumes 336 <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 w/HCI <br /> Sample Identification MW-2 <br /> OBSERVATIONINOTESICALIBRATION RECORD. <br /> Verified Hydac calibration <br /> C,Rl 'IN <br /> IS BMSTOCKTONILOG003 XLS) 1013100 <br />