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MON17®RING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24A <br /> Well No VM-2 Date 7/9/02 . <br /> Well Diameter 2 to Field Personnel JE/CK <br /> i Casing Length 60 feet Screened Casing Length NA <br /> Well Elevation NA <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 50 08 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 1 61 Gal Volumes Purged 3 1 <br /> Start Purging Time 1310 End Purging Time 1316 <br /> Total Time 6 min Flow Gauge to <br /> Total Volume Pumped 5 Gal Avg Flow Rate 0 83 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 (umhoslcm) Purged <br /> 1312 339 455 734 2 <br /> 1314 264 603 738 3 <br /> 1316 250 591 748 5 <br /> 1325 Sample <br /> i <br /> Comments Purge water gray, odor <br /> Turbidity= 050 ntu <br />