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. MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24H <br /> Well No MW-19 Date 9/2/03 <br /> Well Diameter 4 in Field Personnel JE/CK <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 52 50 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 24 21 Gal Volumes Purged 3 0 <br /> Start Purging Time 1420 End Purging Time 1450 <br /> Total Time 30 min Flow Gauge to <br /> Total Volume Pumped 73 Gal Avg Flow Rate 2 4 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 /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1430 244 319 842 25 <br /> 1440 23 1 321 8 15 50 <br /> 1450 228 323 794 73 <br /> 1.455 Sample <br /> Comments Purge water clear <br /> Lurbidity= 29 ntu <br />