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MONITORING WELL SAMPLING DATA <br />' Project Flame Shop 10 Maintenance Sta Project plumber 58475-06-24A <br />' Well No MW-12 Date 7/8102 . <br /> Well Diameter 4 in Field Personnel JE/CK <br /> ' Casing Length 77 50 feet Screened Casing Length NA <br /> Well Elevation NA <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 50 11 ft :1 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> ' Calculated Water Column Volume 17 88 Gal Volumes Purged 3 0 <br /> ' Start Purging Time 1458 End Purging Time 1518 <br /> Total Time 20 mm Flow Gauge to <br /> ' Total Volume Pumped 54 Gal Avg Flow Rate 2 7 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING 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 /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> ' (°C) (umhos/cm) Purged <br /> 1505 245 457 852 18 <br /> ' 1512 227 460 851 36 <br /> 1518 220 474 843 54 <br /> 1525 Sample <br /> Comments Purge water clear <br /> LTurbidity=- 003 ntu <br />