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MONITORING WELL SAMPLING DATA <br />' [=�ProjectName Stockton Maintenance Sta Protect Number 58475-06-24C <br /> Well No MW-3 Date 12/12/02 <br /> Well Diameter 4 in Field Personnel JE/DW <br />' Casing Length 77 02 feet Screened Casing Length NA <br /> Well Elevation 21 92 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 39 ft 2 in= 1632 GaUft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 07 Gal Fyolumes Purged 3 0 <br />' Start Purging Time 0913 End Purging Time 0931 <br /> Total Time 18 min Flow Gauge to <br /> Total Volume Pumped 49 Gal Avg Flow Rate 2 7 gpm <br />' Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <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 /> 0919 199 465 680 16 <br />' 0925 204 469 674 32 <br /> 0931 206 476 675 49 <br /> 0940 Sample <br /> Comments <br />' Turbidity= 66 ntu <br />