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MONITORING WELL SAMPLING DATA <br />' Protect Name Shop ]0 Maintenance 5ta <br /> Fproject Number 58475-06-24K <br /> 1 Well No MW-13 Date 05/26/04 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 86 70 feet Screened Casing Length NA <br /> Well Elevation 21 12 feet above MSL <br /> ' PURGIE CHARACTERISTICS <br />' Water Depth Before Purging 52 42 ft T2 m7 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 22 38 Gal Volumes Purged 30 <br /> ' Start Purging Time 1350 End Purging Time 1422 <br /> Total Time 32 min Flow Gauge to <br /> ' Total Volume Pumped 68 Gal Avg Flow Rate 2 1 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARAC'T'ERISTICS <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 /> 1400 244 879 8 13 23 <br /> ' 1411 23 1 854 791 46 <br /> 1422 228 856 727 68 <br /> 1430 Sample <br /> Comments Purge water clear <br /> L1 <br /> ' Turbidity= 27 ntu <br />