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FGL ENVIRONMENTAL <br /> GROUNDWATER SAMPLING & PURGE LOG <br /> Date: 2009/07/27 Lab ID#: STK0936708 Client: Veolia Water NA <br /> Tech. Name: Ken Moffitt Project Name/No: Quarterly <br /> Well No: KWM-1 Well Completion Depth: 27.60 ft. <br /> Depth to Water(sounded depth): 9.85 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 17.75 ft. Casing Diameter: 4 in. <br /> Casing Volume: 11.53 gal=Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 34.58 gal=Casing Volume x 3 (volumes required) <br /> Purge Rate: 2.0 gal Purge Method: P10250 <br /> Time Purge Vol Gal pH EC Temp °C ORP Turb Comments <br /> 1111 Start <br /> 1117 12.00 6.96 3460 17.70 Clear <br /> 1123 24.00 6.92 3694 17.70 <br /> 1129 36.00 6.91 3760 17.70 <br /> 1130 Sampled <br /> 1132 Off <br /> Total Purge Time: 18 Minutes Total Purge Volume: 36 gal <br /> Recharge Depth: 9.90 ft. Time: 1137 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />