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MONI'T'ORING WELL SAMPLING DATA <br /> ' <br /> Project Name Stockton Yard Project Number S8100-06-62 <br /> J J <br /> Well No MW- 1 Date 712196 <br /> Well Diameter 4 in Field Personnel IM/RS <br /> ' Casing Length 76 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 59 92 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 10 5 Gal Volumes Purged 3 <br /> ' Start Pumping Time 0901 End Pumping Time 0919 <br /> Total Time 18 min Flow Gauge 24040 to 24072 <br /> 1 Total Volume Pumped 32 Gal Avg Flow Rate 1 8 gpm <br /> Water Depth After Pumping 61 1 feet Time 0920 <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 /> 0907 73 5 710 633 11 <br /> 0913 729 722 641 22 <br /> ' 0919 729 721 624 32 <br /> ' 0925 sample <br /> ' comments <br /> ' drawdown= 1 18 <br /> recovery=59 94=98 % <br />