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MONITORING WELL SAMPLING DATA <br /> Project Name Shop I p 10 Maintenance Sta Project Number S8475-06-24I <br /> Well No MW-12 Date 11/18/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 7750 feet Screened Casing Length NA <br /> Well Elevation NA <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 22 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 84 Gal Volumes Purged 3 0 <br /> Start Purging Time 1325 End Purging Time 1346 <br /> Total Time 21 min Flow Gauge to <br /> Total Volume Pumped 48 Gal Avg Flow Rate 2 3 gpm <br /> lie 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 /> 1332 196 605 834 16 <br /> 1339 181 640 8 19 32 <br /> 1346 203 665 792 48 <br /> 1355 Sample <br /> Comments Purge water clear <br /> Turbidity= 19 ntu <br />