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MONITORING WELL SAMPLING DATA <br /> F;.,..l Blame Shop 10 Maintenance Sta Project Number 58475-06-24D <br />' Well No MW-16 Date 3/17/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br />' Casing Length 78 40 feet Screened Casing Length NA <br /> Well Elevation 21 88 feet above MSL <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 51 36 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 17 65 Gal Volumes Purged 3 0 <br />' Start Purging Time 1032 End Purging Time 1054 <br /> Total Time 22 min Flow Gauge to <br /> Total Volume Pumped 53 Gal Avg Flow Rate 2 4 gpm <br /> Water Depth After Purging feet Time <br /> SAM[PILING CHARACTERISTICS <br />' Purging Method Submersible Pump 11 Sampling Method Disposable Basler <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br />' TIME TEMPERATURE CONDUCTIVITY PH Gallons <br /> (.0) (umbos/cm) Purged <br /> 1039 214 686 741 18 <br />' 1046 212 691 738 36 <br /> 1054 214 690 741 53 <br /> 1100 Sample <br /> Comments Purge water clear,no odor <br /> I <br /> I <br /> Turbidity=32 ntu <br />