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MONI'T'ORING WELL SAMPLING DATA <br /> Project Name Stockton Maintenance Sta ProJ ect Number S8475-06-24H <br /> Well No MW-5 Date 9/3103 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 72 09 feet Screened Casing Length NA <br /> Well Elevation 22 03 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 01 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 12 45 Gal Volumes Purged 3 1 <br /> Start Purging Time 1047 End Purging Time 1102 <br /> Total Time 15 min Flow Gauge to <br /> Total Volume Pumped 38 Gal Avg Flow Rate 2 5 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 :7FTEMPERATURE CONDUCTIVITYpH Gallons <br /> °C {umbos/cm) Purged <br /> 1052 232 405 746 13 <br /> 1057 227 422 742 26 <br /> 1102 232 426 733 38 <br /> 1105 Sample <br /> Comments Purge water clear, no odor <br /> Turbidity= 38 ntu <br />