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WELL SAMPLING DATAMONITORING <br />' Protect Name Shop 10 Maintenance Sta Protect Number 58475-06-24A <br /> ' Well No MW-11 Date 7/8/02 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> ' Casing Length 60 feet Screened Casing Length NA <br /> IL Well Elevation 21 23 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 49 88 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 6 60 Gal TV01Umes Purged 3 0 <br /> Start Purging Time 1050 End Purging Time 1 102 <br /> Total Time 12 min Flow Gauge to <br /> ' Total Volume Pumped 20 Gal Avg Flow Rate 1 67 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 (umhos/cm) Purged <br /> 1054 220 693 597 7 <br /> ' 1058 214 599 6 15 14 <br /> 1102 21 3 579 627 20 <br /> 1115 Sample <br /> i <br /> Comments Purge water clear <br /> Turbidity= 068 ntu <br />