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i MONITORING WELL, SAMPLING DATA <br /> Protect Name Stockton Maintenance Sta Protect Number 58475-06-241 <br /> Well No MW-6 Date 11/19/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 73 35 feet Screened Casing Length NA <br /> Well Elevation 21 41 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 12 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 13 20 Gal Volumes Purged 3 0 <br /> Start Purging Time 0952 End Purging Time 1008 <br /> Total Time 16 min Flow Gauge to <br /> Total Volume Pumped 40 Gal Avg Flow Rate 2 5 gpm <br /> Water Depth After Purging feet Time <br /> lie <br /> SAMPLING CHARACTERISTICS <br /> IPurging 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 /> I 0957 206 897 735 13 <br /> 1003 212 923 735 26 <br /> 1008 213 935 727 40 <br /> I1015 Sample <br /> IComments Purge water turbid, slight odor <br /> ITurbidity= 30 ntu <br /> I <br /> i <br /> I <br />