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MONITORING WELL SAMPLING DATA <br /> Protect Name Shop 10 Maintenance Sta Protect Number S8475-06-24H <br /> Well No MW-13 Date 9/2/03 <br /> Well Diameter 4 in Field Personnel 1E/CK <br /> Casing Length 86 70 feet Screened Casing Length NA <br /> Well Elevation 21 12 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 97 ft T2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 22 01 Gal Volumes Purged 3 0 <br /> Start Purging Time 1245 End Purging Time 1312 <br /> Total Time 27 min Flow Gauge to <br /> Total Volume Pumped 67 Gal Avg Flow Rate 2 5 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 /> 1254 268 361 7 81 23 <br /> 1303 233 375 729 45 <br /> Lr13l12 226 375 728 67 <br /> 20 Sample <br /> Comments Purge water clear, slight odor <br /> Turbidity= 25 ntu <br />