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f <br /> MONITORING WELL SAMPLING DATA <br /> [=�ProjectName Stockton Maintenance Sta Project Number S8475-06-24I <br /> Well No MW-3 Date 11/19/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casmg Length 77 02 feet Screened Casing Length NA <br /> Well Elevation 2192 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 69 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 22 Gal Volumes Purged 3 0 <br /> Start Purging Time 1 152 End Purging Time 1212 <br /> Total Time 20 min Flow Gauge to <br /> Total Volume Pumped 46 Gal Avg Flow Rate 2 3 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 /> 1159 206 872 738 15 <br /> 1205 208 874 740 30 <br /> 1212 212 880 731 46 <br /> 1215 Sample <br /> Comments Purge water clear <br /> Slight odor <br /> Turbidity= 54 ntu <br />