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1 <br /> MONITORING WELL SAMPLING DATA <br /> Project Name Stockton Maintenance Sta Project dumber 58475-06-24F <br />' Well No MW-6 Date 6117103 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 73 3 5 feet Screened Casing Length NA <br /> Well Elevation 2141 feet above MSL <br /> PURGE CHARACTERISTICS <br /> 1 Water Depth Before Purging 51 01 ft 2 to= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 14 58 Gal Volumes Purged 3 0 <br /> Start Purging Time 1222 End Purging Time 1240 <br /> Total Time 18 min Flow Gauge to <br /> Total Volume Pumped 44 Gal Avg Flow Rate 2 4 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bader <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 /> 1228 239 906 511 14 <br />' 1234 23 1 941 601 28 <br /> 1240 227 978 631 44 <br /> r <br /> 1245 Sample <br /> Comments Purge water turbid, slight odor <br /> Turbidity= 27 ntu <br />