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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-7 Well Completion Depth: 27.40 ft. <br /> Depth to Water(sounded depth): 13.87 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 13.53 ft. Casing Diameter: 4 in. <br /> Casing Volume: 8.79 gal = Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 26.36 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 /> 1009 Start <br /> 1014 10.00 8.67 3742 18.00 Copper <br /> 1019 20.00 8.68 3638 18.10 <br /> 1023 28.00 8.68 3630 18.10 <br /> 1024 Sampled <br /> 1026 Off <br /> Total Purge Time: 14 Minutes Total Purge Volume: 28 gal <br /> Recharge Depth: 13.90 ft. Time: 1031 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />