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MONITORING WELL SAMPLING DATA <br /> FProtect Dame Stockton Maintenance Sta Project Number 58475-06-24C <br /> Well No VW-2 Date 12/12/02 <br /> Well Diameter 4 in Field Personnel JE/DW <br />' Casing Length 69 75 feet Screened Casing Length NA <br /> Well Elevation 22 18 feet above MSL <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 81 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 11 05 Gal Volumes Purged 3 1 <br /> Start Purging Time 1105 End Purging Time 1115 <br /> Total Time 10 min Flow Gauge to <br />' Total Volume Pumped 34 Gal Avg Flow Rate 3 4 gpin <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 /> 1108 199 477 666 11 <br /> I1111 205 488 658 22 <br /> 1115 208 486 664 34 <br /> 1125 Sample <br /> I <br /> Comments Purge water clear, hydrocarbon odor <br />' [Turbidity= 28 ntu <br />