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MONITORING WELL SAMPLING DATA <br />' Project Name Stockton Maintenance Sta Project Number 58475-06-24 <br /> Well No MW-3 Date 5/10/02 <br /> Well Diameter 4 in Field Personnel JE <br />' Casing Length 77 02 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 48 78 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 18 30 Gal Volumes Purged 3 0 <br /> Start Purging Time 1322 End Purging Time 1336 <br /> Total Time 14 min Flow Gauge to <br />' Total Volume Pumped. 55 Gal Avg Flow Rate 3 9 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br />' Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME --FTEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1327 21 6 613 693 18 <br /> 1332 214 616 698 36 <br /> 1336 21 7 613 698 55 <br /> 1 <br /> 1350 T Sample <br /> Comments <br /> Turbidity= -008 ntu <br />