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MONITORING WELL SAMPLING DATA <br /> rp=,.,cName Stockton Maintenance Sta Project Number S8475-06-24D <br /> ' Well No MW-3 Date 3118/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> ' Casing Length 77 02 feet Screened Casing Length NA <br /> Well Elevation 2192 feet above MSL <br /> PURGE CEARACTERISTICS <br /> ' Water Depth Before Purging 5128 ft 2 to= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 80 Gal Volumes Purged 3 1 <br /> Start Purging Time 1442 End Purging Time 1501 <br /> Total Time 19 min FIow Gauge to <br /> Total Volume Pumped 51 Gal Avg Flow Rate 2 9 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> ' <br /> Purging Method Submersible Pump 11 Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umbos/cm) Purged <br /> 1448 21 7 1029 7 15 17 <br /> ' 1454 219 1032 719 34 <br /> 1501 21 8 1046 7 16 51 <br /> 1 <br /> 1510 Sample <br /> Comments <br /> [Turbtdity= 77 ntu <br />