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MONITORING WELL SAMPLING DATA <br />' <br /> =Projectame Shop 10 Maintenance Sta Protect Number 58475-06-24J <br />' Wel l No MW-20 Date 03/23/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> Casing Length 90 90 feet Screened Casing Length NA <br /> jLjellElevation 22 52 feet above MSL <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 55 ft 2 in = 1632 Gal/ft 4 to = 6528 Gal/ft <br /> Calculated Water Column Volume 25 69 Gal Volumes Purged 3 0 <br />' Start Purging Time 1002 End Purging Time 1047 <br /> Total Time 45 min Flow Gauge to <br />' Total Volume Pumped 78 Gal Avg Flow Rate 1 7 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br />' <br /> TIME TEMPERATURE CONDUCTWITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1017 226 629 755 26 <br />' 1032 214 628 780 52 <br /> 1047 214 627 770 78 <br /> 1050 Sample <br /> Comments Purge water clear <br />' <br /> 21 ntu <br /> Turbidity= <br /> 1 <br />