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MONITORING WELL SAMPLING DATA <br /> Protect Name Stockton Maintenance Sta Protect Number 58475-06-24F <br /> Well No MW-10 Date 6/17/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 76 20 feet Screened Casing Length NA <br /> Well Elevation 2179 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 51 72 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 98 Gal Volumes Purged 3 0 <br /> Start Purging Time 1035 End Purging Time 1056 <br /> Total Time 21 min Flow Gauge to <br /> Total Volume Pumped 48 Gal Avg Flow Rate 2 3 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 /> 1042 219 887 560 16 <br /> j1049 221 889 6 17 32 <br /> 1056 219 881 599 48 <br /> 1105 Sample <br /> Comments Purge water clear <br /> 16 Turbidity=39 ntu <br />