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MONITORING WELL SAMPLING DATA <br /> Protect Name Stockton Yard Protect Number 58100-06-11B <br /> ' Well no MW-8 Date 02/05/96 <br /> Well Diameter 4 in Field Personnel DW/BL <br /> ' Casing Length 74 feet Screened Casing Length 15 ft <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 62 68 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 7 4 Gal Volumes Purged 3 <br /> Start Pumping Time 1617 End Pumping Time 1645 <br /> 'total I ime min 13 Flow Gauge 20581 to 20602 <br />' Total Volume Pumped 22 Gal Avg Flow Rate 1 3 gpm <br /> Water Depth After Pumping 67 60 feet Time 1700 <br /> SAMPLING CHARACTERISTICS <br /> Sampling Method Disposable Bailer <br /> Laboratory Analysis TPI1g/BTEX/MTBE/TPHd <br />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> Purged <br />' 1619 775 808 7 <br /> 1635 746 779 14 <br /> 1645 757 752 22 <br /> 1 <br /> 1 <br />' comments Water is clear, no odor,well pumped dry after 17 gallons <br /> 62 68 @ 1700= 100% recovery <br />