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MONITORING WELL SAMPLING DATA <br />' Protect Name Shop 10 Maintenance Sta Project Number 58475-06-24D <br />' Well No VM-1 Date 3/17/03 <br /> Well Diameter 2 in Field Personnel JE/CK <br />' Casing Length 60 feet Screened Casing Length NA <br /> 17-ell Elevation NA <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 5133 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 1 41Ga1 Volumes Purged 3 2 <br />' Start Purging Time 1455 End Purging Time 1459 <br /> Total Time 4 min Flow Gauge to <br />' Total Volume Pumped 4 5 Gal Avg Flow Rate 1 1 gpm <br /> Water Depth After Purging feet Time <br /> SAiihiPLING 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 I CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1456 208 1063 691 1 5 <br />' 1457 201 1022 713 3 <br /> 1459 205 1006 708 45 <br /> 1510 Sample <br /> Comments Purge water silty, strong hydrocarbon odor <br /> Turbidity=>1,000 ntu <br /> 1 <br />