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16 <br /> MONITORING WELL SAMPLING DATA <br /> Pro ect Name Stockton Maintenance Sta. Project Number S8475-06-24J <br /> ' Well No MW-2 Date 03/24/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> Casing Length 79 7 feet Screened Casing Length NA <br /> Well Elevation 2198 feet above MSL <br /> ' PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging 51 81 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 18 21 Gal Volumes Purged 3 0 <br /> Start Purging Time 1458 End Purging Time 1519 <br /> Total Time 21 min Flow Gauge to <br />' Total Volume Pumped 55 Gal Avg Flow Rate 2 6 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 (umhos/cm) Purged <br /> 1505 220 759 747 18 <br />' 1512 221 783 740 36 <br /> 1519 22 1 781 739 55 <br /> 1530 Sample <br /> Comments Purge water clear, strong odor <br /> Turbidity= 57 ntu <br />