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MONITORING WELL SAMPLING DATA <br />' Project Name Shop 10 Maintenance Sta Protect Number S8475-06-24K <br />' Well No MW-16 Date 05/26/04 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 78 40 feet Screened Casing Length NA <br /> Well Elevation 2188 feet above MSL <br /> ' <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 41 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 97 Gal Volumes Purged 3 0 <br /> ' Start Purging Time 0905 End Purging Time 0924 <br /> Total Time 19 min Flow Gauge to <br /> ' Total Volume Pumped 51 Gal Avg Flow Rate 2 7 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) I Purged <br /> 0912 219 683 746 17 <br /> ' 0918 216 682 739 34 <br /> 0924 213 681 742 51 -Al <br /> 0935 Sample <br /> Comments Purge water clear,no odor <br /> Turbidity=27 ntu <br />