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i <br /> MONRT®RING WELL SAMPLING DATA <br />' <br /> Project Name Stockton Maintenance Sta ProtectNumber S8475-06-24K <br />' Well No MW-12 Date 05/27/04 <br /> Well Diameter 4m Field Personnel JE/DW <br />' Casing Length 82 80 feet Screened Casing Length NA <br /> Well Elevation 22 82 feet above MSL <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 52 86 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 19 54 Gal Volumes Purged 3 0 <br /> Start Purging Time 0832 End Purging Time 0858 <br /> Total Time 26 min Flow Gauge to <br /> ' Total Volume Pumped 59 Gal Avg Flow Rate 2 3 gpm <br /> Water Depth After Purging feet Time <br /> r <br /> SAMP1C UNG 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 /> 0841 207 1191 779 20 <br /> 0850 205 1180 758 40 <br /> ' 0858 205 1206 759 59 <br /> ' 0905 Sample <br /> ' Comments Purge water clear <br /> Turbidity= 57 ntu <br />