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1 <br /> MONI'T'ORING WELL, SAMPLING DATA <br /> ' <br /> Project Name Stockton Yard Project Number S8100-06-62 <br /> We]I No MW-9 Date 7/l/96 <br /> Well Diameter 4 in Field Personnel IM/RS <br /> Casing Length 79 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 58 81 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 13 2 Gal TVolumes Purged 3 <br /> Start Pumping Time 0931 End Pumping Time 0944 <br /> Total Time 13 min Flow Gauge 23660 to 23700 <br /> 1 Total Volume Pumped 40 Gal Avg Flow Rate 3 1 gpm <br /> Water Depth After Pumping 61 00 feet Time 0945 <br /> SAMPLING CHARACTERISTICS <br /> ' Sampling Method disposable bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX,MTBE <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°F) (umhos/cm) Purged <br /> 0935 71 3 701 680 I3 <br /> 0940 698 700 652 26 <br />' 0944 698 702 656 40 <br />' 0955 sample <br />' comments <br /> drawdown=2 19 <br /> % recovery=58 9$=92 <br />