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• MONITORING WE][..fL SAMPLING DATA <br /> Project Name Shop I0 Maintenance Sta <br /> F Protect Number S$475-06-24H <br /> Well No MW-16 Date 912103 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casing Length 78 40 feet Screened Casing Length NA <br /> Well Elevation 21 88 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 89 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 65 Gal Volumes Purged 3 0 <br /> Start Purging Time 1000 End Purging Time 1019 <br /> Total Time 19 min Flow Gauge to <br /> Total Volume Pumped 50 Gal Avg Flow Rate 2 6 gpm <br /> Water Depth After Purging feet Time <br /> • SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPI-Ig, TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br /> J[--TIME TEMPERATURE I CONDUCTIVITY PH Gallons <br /> oC (umhos/cm) Purged <br /> 1006 226 360 720 17 <br /> 1012 222 353 718 34 <br /> 1019 220 351 724 50 <br /> 1025 Sample <br /> Comments Purge water clear, no odor <br /> Turbidity=46 ntu <br />