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MONI'T'ORING WELL SAMPLING DATA <br /> Protect Name Stockton Maintenance Sta Project Number 58475-06-24F <br />' Well No MW-3 Date 6/17/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br />' Casing Length 77 02 feet Screened Casing Length NA <br /> Well Elevation 2192 feet above MSL <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 5145 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 69 Gal Volumes Purged 3 0 <br /> Start Purging Time 1357 End Purging Time 1418 <br /> Total Time 21 mm Flow Gauge to <br />' Total Volume Pumped 51 Gal Avg Flow Rate 2 4 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACT]ER11STICS <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 /> --(!—Cl (umhos/em) Purged <br /> 1404 25 1 933 589 17 <br />' 1411 246 935 668 34 <br /> 1418 23 7 940 646 51 <br /> 1425 Sample <br /> Comments Purge water clear <br /> Turbidity= 72 ntu <br />