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MONITORING WELL SAMPLING DATA <br /> Protect Name Shop 10 Maintenance Sta Project Number 58475-06-24B <br /> Well No MW-25 Date 10/01/02 <br /> Well Diameter 4 in Field Personnel 7E/CK <br />' Casing Length 7500 feet Screened Casing Length <br /> Well Elevation 2195 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 08 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 14 96 Gal Volumes Purged 3 0 <br />' Start Purging Time 0805 End Purging Time 0839 <br /> Total Time 34 min Flow Gauge to <br />' Total Volume Pumped 45 Gal Avg Flow Rate 13 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CE ARACTERISTICS <br />' Purging Method Submersible Pump 11 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/em) Purged <br /> 0813 194 406 735 15 <br /> i0829 212 430 689 30 <br /> 0839 213 429 683 45 <br /> 0847 Sample <br /> i <br /> Comments <br /> Turbidity <br /> :39 ntu <br />