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• 1 <br /> • MONITORING WELL SAMPLING DATA <br /> 7[�Pr:oject Name Shop 10 Maintenance Sta Project Number 58475-06-24H <br /> No MW-12 Date 9/2/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casing Length 77 50 feet Screened Casing Length NA <br /> Well Elevation NA <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 39 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 39 Gal [Volumes Purged 3 1 <br /> Start Purging Time 1122 End Purging Time 1141 <br /> Total Time 19 min Flow Gauge to <br /> Total Volume Pumped 50 Gal Avg Flow Rate 2 6 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 /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1128 249 340 728 17 <br /> 1134 227 334 746 34 <br /> 1141 222 346 742 50 <br /> 1150 Sample <br /> Comments Purge water clear <br /> iTurbidity=23 atu <br />