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MONITORING WELL SAMPLING DATA <br />' Project Name Shop 10 Maintenance Sta Project Number 58475-06-24 <br /> 1 Well No MW-12 Date 5/10102 <br /> Wel] Diameter 4 in Field Personnel JE <br />' Casing Length 77 50 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 48 45 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 18 96 Gal Volumes Purged 3 0 <br />' Start Purging Time 0746 End Purging Time 0804 <br /> Total Time 18 min Flow Gauge to <br />' Total Volume Pumped 57 Gal Avg Flow Rate 3 2 gpm <br /> Water Depth After Purging feet Time <br /> SAMIPLING CHARACTERISTICS <br />' Purging Method Submersible Pump 11 Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> 1: <br />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> 0754 205 494 790 19 <br /> ' 0800 209 529 754 38 <br /> 0804 208 525 749 57 <br /> 1 � <br /> 0815 Sample <br /> 1 <br /> Comments Purge water clear, no odor <br /> Lbidity=-013 ntu <br /> 1 <br />