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MONITORING WELL SAMPLE% DATA <br /> Protect Name Shop 10 Maintenance Sta Project Number S8475-06-24C <br /> Well No MW-25 Date 12/10/02 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 75 00 feet Screened Casing Length <br /> Well Elevation 2195 feet above MSL <br /> iPURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 05 ft 2 m 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 14 98 Gal Volumes Purged 3 0 <br /> Start Purging Time 1446 End Purging Time 1515 <br /> Total Time 29 min Flow Gauge to <br />' Total Volume Pumped 45 Gal Avg Flow Rate 16 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CIIARACTIERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> iLaboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1456 199 347 681 15 <br /> 1506 207 373 675 30 <br /> 1515 210 377 672 45 <br /> 1525 Sample <br /> Comments <br /> 1 <br />' Turbidity=31 ntu <br />