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1 <br /> MONITORING WELL. SAMPLING DATA <br /> Project Name Stockton Yard Project Number 58100-06-62 <br /> 1 Well No MW-8 Date 4-22-96 <br /> Well Diameter 4 in Field Personnel IM/BL <br /> ' <br /> CasingLength 74 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 60 84 ft 1 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 8 6 Gal I Volumes Purged 3 <br /> ' Start Pumping Time 1028 End Pumping Time 1103 <br /> Total Time 35 min Flow Gauge 22240 to 22267 <br /> ' Total Volume Pumped 27 Gal Avg Flow Rate 0 8 gpm <br /> Water Depth After Pumping 67 11 feet Time 1103 <br /> SAMPLIING CHARACTERISTICS <br /> Sampling Method disposable bailer <br /> Laboratory Analysis TPHg, TPHd, BTEX, MTBE <br /> TIM=T(OF) <br /> TURE CONDUCTIVITY pH Gallons <br /> ' (umhos/cm) Purged <br /> 103 3 = 702 1294 759 9 <br /> ' 1058 730 1268 756 17 <br /> 1103 728 1246 749 26 <br /> 1 <br /> 1115 sample <br /> 1 <br /> comments slightly turbid <br /> ' drawdown=6 27 <br /> % recovery=61 89 ft=83% <br />