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MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Protect Number 58475-06-24H <br /> Well No MW-24 Date 912/03 <br /> Well Diameter 4 in Field Personnel 3E/CK <br /> Casing Length 88 00 feet Screened Casing Length NA <br /> Well Elevation 21 50 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 31 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 23 29 Gal Volumes Purged 3 0 <br /> Start Purging Time 1152 End Purging Time 1221 <br /> Total Time 29 min FIow Gauge to <br /> Total Volume Pumped 70 Gal Avg Flow Rate 2 4 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 (umhos/cm) Purged <br /> 1202 248 308 803 24 <br /> 1212 23 5 317 776 50 <br /> 1221 232 325 761 70 <br /> 1225 Sample <br /> IL-- L <br /> Comments Purge water clear <br /> Turbidity=42 ntu <br />