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MONRTORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24 <br />' Weil No MW-19 Date 5/9102 <br /> Well Diameter 4 in Field Personnel 7E <br /> Casing Length 89 60 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 48 58 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 26 77 Gal Volumes Purged 3 0 <br />' Start Purging Time 13 02 End Purging Time 1319 <br /> Total Time 17 min Flow Gauge to <br />' Total Volume Pumped 81 Gal Avg Flow Rate 4 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/cin) Purged <br /> 1307 227 476 709 27 <br /> 1315 224 461 726 54 <br /> 1319 22 1 462 732 81 <br /> 1330 Sample <br /> Comments Purge water clear, no odor <br /> i <br /> Turbidity= 008 ntu <br />