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' MONITORING WELL SAMPLING DATA <br /> Project Name Stockton Yard Project Number SS 100-06-62 <br /> ' Well No MW-10 Date 10/22/96 <br /> We]I Diameter 4 in Field Personnel IM/RS <br /> ' Casing Length 80 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 60 18 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 12 9 Gal Volumes Purged 3 <br /> Start Pumping Time 0917 End Pumping Time 0935 <br /> Total Time 18 min Flow Gauge 27440 to 27479 <br /> ' Total Volume Pumped 39 Gal Avg Flow Rate 2 2 gpm <br /> Water Depth After Pumping --- feet Time <br /> SAMPLING CHARACTERISTICS <br /> Sampling Method disposable bailer <br /> Laboratory Analysis TPHg, TPHd, BTEX, MTBE <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> 0922 190 741 71 13 <br /> 0926 192 754 70 26 <br /> ' 0935 172 757 70 39 <br /> ' 0955 sample <br /> comments <br />' drawdown= <br /> 1 % recovery=60 18 = 100% <br />