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MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24C <br /> Well No MW-11 Date 12/10/02 <br />' Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 60 feet Screened Casing Length NA <br />' Well Elevation 2123 feet above MSL <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 51 61 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> rCalculated Water Column Volume 5 47 Gal Volumes Purged 3 1 <br /> Start Purging Time 1210 End Purging Time 1220 <br />' Total Time 10 min Flow Gauge to <br />' Total Volume Pumped 17 Gal Avg Flow Rate 1 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 /> 1213 188 457 594 6 <br />' 1216 200 435 6 10 12 <br /> 1220 203 436 620 17 <br /> 1235 Sample <br /> Comments Purge water clear <br /> ' Turbidity= 32 ntu <br />