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MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Protect Number 58475-06-24I <br /> Well No MW-13 Date 11/18/03 <br /> Well Diameter 4m Field.Personnel JE/DW <br /> Casing Length 86 70 feet Screened Casing Length NA <br /> Well Elevation 21 12 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 80 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/:ft <br /> Calculated Water Column Volume 2147 Gal Volumes Purged 3 0 <br /> Start Purging Time 1222 End Purging Time 1252 <br /> Total Time 30 min Flow Gauge to <br /> Total Volume Pumped 65 Gal Avg Flow Rate 2 2 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 /> 1232 21 3 796 749 22 <br /> 1242 208 825 740 44 <br /> I1252 21 1 828 738 65 <br /> 1300 Sample <br /> Comments Purge water clear, slight odor <br /> 10 <br /> Turbidity= 27 ntu <br />