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WELL PURGING AND SAMPLING LOG <br /> Protect Name BFS-STOCKTON Date 916100 <br /> Protect Number 11ST Well Number MW-1 <br /> Location Stockton Recorded by A Drummond <br /> WELL PURGING. Depth to Water 1786 <br /> Purge Method 1" bailer Total Depth 350 <br /> Decon Method Triple rinse with DI water Water Column 1714 <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 gal/ft x 1714 ft 82 gallons <br /> DTW PURGED TEMP COND TURBIDITY <br /> TIME (feet) (gal } (°F) (µskm) pH (NTUs) NOTES <br /> 1402 1789 25 749 800 74 159 Murky <br /> 1410 1789 45 740 830 72 282 <br /> 1415 1789 65 723 1 870 74 639 <br /> 1425 1789 85 735 870 74 508 " <br /> 1433 17 879 100 736 870 74 506 " <br /> 1440 1789 -- -- -- -- -- Collected Sample MW-1 <br /> Total Purged Volume(gallons) <br /> 10 Number of Casing Volumes 36 <br /> WELL SAMPLING, <br /> Sample Method New disposable bailer with new nylon lane <br /> Decon Method Not applicable <br /> Sample Container 40-m1 glass VOA vials wl HCl <br /> Sample Identification MW-1 <br /> OBSERVATIQN/NOTESICALIBRATION RECORDI <br /> Verified Hanna 9812 water quality meter and La Motte 2020 turbidity meter <br /> GRI ")N <br /> [S OMSTOCTON1013003] 1013100 <br />