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M®NIT®RING WELL SAMPLING DATA <br /> FrCasing <br /> me Sha 10 Maintenance Sta Project - <br />' P Number 58475 06-24C <br />' MW-12 Date 12/11/02 <br /> ter 4 in Field Personnel JE/DW <br />' gth 77 50 feet Screened Casing Length NA <br /> ion NA <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 5196 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br />' Calculated Water Column Volume 16 67 Gal Volumes Purged 3 1 <br /> Start Purging Time 0805 End Purging Time 0823 <br />' Total Time 18 min Flow Gauge to <br />' Total Volume Pumped 51 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 /> 0811 183 376 705 17 <br />' 0817 198 398 699 34 <br /> 0823 202 401 698 51 <br /> r <br /> 0835 Sample <br /> Comments Purge water clear <br /> ' Turbidity= 11 ntu <br />