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• MONITORING WELL SAMPLING DATA <br /> JFP7roject _ _Name Shop 10 Maintenance Sta. Project Number 58475 06 24I <br /> Well No MW-20 Date 11/18/03 <br /> Well Diameter 4 in Field Personnel 3E/DW <br /> Casing Length 90 90 feet Screened Casing Length NA <br /> L.Well Elevation 22 52 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 64 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 24 32 Gal Volumes Purged 3 0 <br /> Start Purging Time 0942 End Purging Time 1026 <br /> Total Time 44 min Flow Gauge to <br /> Total Volume Pumped 73 Gal Avg Flow Rate 1 7 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br /> F--I TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> I 0957 185 636 816 24 <br /> 1012 200 643 808 48 <br /> 1026 199 647 806 73 <br /> 1030 Sample <br /> Comments Purge water clear <br /> ITurbidity = 18 ntu <br /> I <br /> I <br />