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i <br /> I <br /> MONITORING WELL SAMPLING DATA <br /> Protect Name Shop 10 Maintenance Sta Project Number 58475-06-24F <br /> Well No MW-25 Date 6/16/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casing Length 75 00 feet Screened Casing Length <br /> Well Elevation 21 95 feet above MSL <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 19 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 60 Gal I Volumes Purged 3 0 <br /> Start Purging Time 1103 End Purging Time 1143 <br /> Total Time 40 min Flow Gauge to <br />' Total Volume Pumped 47 Gal Avg Flow Rate 12 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTIERISTICS <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 /> ---fC (umhos/cm) Purged <br /> 1123 227 793 720 15 <br /> 1133 222 802 709 30 <br /> 1143 221 796 704 47 <br /> 1150 Sample <br /> Comments Purge water clear <br /> Duplicate sample collected <br /> Eurbi:di�::y—42 ntu <br />