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MONITORING WELL SAMPLING DATA <br /> 1 <br /> Protect Name Shop 10 Project Number S8100-06-62 <br /> ' Well No MW-25 Date 10/23/96 <br /> Well Diameter 4 in Field Personnel IM/RS <br /> ' Casing Length 75 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 59 90 i=2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 9 85 Gal Volumes Purged 4 <br /> Start Pumping Time 1132 End Pumping Time 1140 <br /> Total Time 8 min Flow Gauge 28056 to 28096 <br /> Total Volume Pumped 40 Gal Avg Flow Rate 5 0 gpm <br /> Water Depth After Pumping 60 87 feet Time 1141 <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 /> 1134 704 1368 7 85 10 <br /> 1136 704 1180 771 20 <br /> ' 1138 705 1093 769 30 <br /> 1140 706 1030 768 40 <br /> 1150 sample <br /> ' comments <br /> drawdown=0 97 <br /> sample dtw 59 92 = 98% recovery <br /> 1 <br />