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MONITORING WELL SAMPLING DATA <br />' Pralect Name Stockton Maintenance Sta Project Number S8475-06-24D <br /> ' Well No MW-2 Date 3118103 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> ' Casing Length 797 feet Screened Casing Length NA <br /> LWell Elevation 2198 feet above MSL <br /> PURGE CHARACTERIS'T'ICS <br />' Water Depth Before Purging 51 65 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 18 31 Gal Volumes Purged 3 0 <br />' Start Purging Time 1532 End Purging Time 1552 <br /> Total Time 20 min Flow Gauge to <br />' Total Volume Pumped 55 Gal Avg Flow Rate 2 8 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 /> 1539 213 899 709 18 <br /> 1546 21 4 945 710 36 <br /> 1552 212 949 706 55 <br /> 1600 Sample <br /> Comments Purge water clear, strong odor <br /> Turbidity= 13 ntu <br />