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MONITORING WELL SAMPLING DATA <br />' <br /> Eotect Name Shop 10 Maintenance Sta 7Protect Number 58475-06-24 <br />' Well No MW-20 Date 5/9/02 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 90 90 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 48 92 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 27 40 Gal Volumes Purged 3 0 <br />' Start Purging Time 1018 End Purging Time 1059 <br /> Total Time 41 min Flow Gauge to <br />' Total Volume Pumped 83 Gal Avg Flow Rate 2 0 gpm <br /> Water Depth After Purging feet Time <br /> SAIVIPI.ING C)EIARACTERISTICS <br />' Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysts TPHg, TPI-Id,BTEX, 5 FOCs by EPA Test Method 8260 <br />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C (umhos/cm) Purged <br /> 1032 209 463 721 28 <br />' 1046 21 1 456 733 56 <br /> 1059 207 457 742 83 <br /> 1115 Sample <br /> Comments Purge water clear, no odor <br />' Duplicate <br /> ju Abidity= -037 ntu <br /> 1 <br />