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. MONITORING WELL SAMPLING DATA <br /> Project Name Stockton Maintenance Sta Project Number S8475-0 -24 <br /> J � 6 H <br /> Well No MW-6 Date 9/3/03 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 73 35 feet Screened Casing Length NA <br /> Well Elevation 2141 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 34 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal./ft <br /> Calculated Water Column Volume 13 71 Gal Volumes Purged 3 1 <br /> Start Purging Time 1157 End Purging Time 1214 <br /> Total Time 17 min Flow Gauge to <br /> Total Volume Pumped 42 Gal Avg Flow Rate 2 5 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump 11 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 /> 1203 226 420 728 14 <br /> 1209 223 417 728 28 <br /> 1214 223 423 733 42 <br /> 1220 Sample <br /> Comments Purge water turbid, slight odor <br /> Turbidity= 39 ntu <br /> I <br /> i <br />