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MONITORING WELL SAMPLING DATA <br /> Protect Name Shop 10 Maintenance Sta Project Number 58475-06-24J <br />' Well No MW-19 Date 03/23/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> Casing Length 89 60 feet Screened Casing Length NA <br /> Well Elevation 21 77 feet above MSL <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 14 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 25 11 Gal Volumes Purged 3 0 <br />' Start Purging Time 1122 End Purging Time 1157 <br /> Total Time 35 min Flow Gauge to <br />' Total Volume Pumped 76 Gal Avg Flow Rate 2 2 gpm <br /> Water Depth After Purging feet Time <br /> SAN[PLING 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 GONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1134 208 613 756 25 <br /> 1146 209 612 771 50 <br /> 1157 207 608 781 76 <br /> 1 <br /> 1200 Sample <br /> Comments Purge water clear <br /> Turbidity= 27 ntu <br />