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. MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24H <br /> Well No MW-11 Date 9/2/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casmg Length 60 feet Screened Casing Length NA <br /> Well Elevation 2123 feet above MSL <br /> PURGE CILARACTERISTICS <br /> Water Depth Before Purging 52 06 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 5 18 Gal Volumes Purged 3 1 <br /> Start Purging Time 1457 End Purging Time 1504 <br /> Total Time 7 min Flow Gauge to <br /> Total Volume Pumped 16 Gal Avg Flow Rate 2 3 gpm <br /> Water Depth After Purging feet Time <br />�• SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Batter <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 /> 1500 233 370 745 6 <br /> 1503 225 376 747 11 <br /> 1504 224 378 746 16 <br /> 1510 Sample <br /> Comments Purge water clear <br /> Turbidity= 38 ntu <br /> 1 <br />