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MONITORING WELL SAMPLING DATA <br /> Protect Name Stockton Maintenance Sta Protect Number S8475-06-241 <br /> Well No MW-1 Date 11/19/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 80 feet Screened Casing Length NA <br /> LWell Elevation 22 06 feet above MSL <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging 53 65 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 17 20 Gal Volumes Purged 3 0 <br /> Start Purging Time 1217 End Purging Time 1238 <br /> Total Time 21 min Flow Gauge to <br /> Total Volume Pumped 52 Gal Avg Flow Rate 2 5 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump 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 (umbos/cm) Purged <br /> 1224 207 985 725 17 <br /> 1231 201 1011 737 34 <br /> 1238 209 994 740 52 <br /> 1240 Sample <br /> Comments Purge water clear, odor <br /> Turbid] W 39 ntu <br />