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MONITORING WELT,, SAMPLING DATA <br /> [Project Name Stockton Maintenance StaProtect Number 58475-06-24H <br /> Well No MW-I 1 Date 9/3/03 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 78 feet Screened Casing Length NA <br /> Well Elevation 21 49 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 60 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 58 Gal Volumes Purged 3 0 <br /> Start Purging Time 0957 End Purging Time 1016 <br /> Total Time 19 min Flow Gauge to <br /> Total Volume Pumped 50 Gal Avg Flow Rate 2 6 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysts TPHg, TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umbos/em) Purged <br /> 1003 22 1 427 729 17 <br /> 1009 220 425 727 34 <br /> 1016 220 424 723 50 <br /> 1020 Sample <br /> iComments Purge water clear, no odor <br /> 1 <br /> Turbidity=37 ntu <br />