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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-4 Well Completion Depth: 27.02 ft. <br /> Depth to Water(sounded depth): 13.16 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 13.86 ft. Casing Diameter: 4 in. <br /> Casing Volume: 9.00 gal = Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 27.00 gal = Casing Volume x 3 (volumes required) <br /> Purge Rate: 2.0 gal Purge Method: ES-60 <br /> Time Purge Vol Gal pH EC Temp °C ORP Turb Comments <br /> 0744 Start <br /> 0749 10.00 6.57 3221 19.60 Clear <br /> 0754 20.00 6.57 3222 19.70 <br /> 0758 28.00 6.58 3222 19.60 <br /> 0759 Sampled <br /> 0801 Off <br /> Total Purge Time: 14 Minutes Total Purge Volume: 28 gal <br /> Recharge Depth: 13.39 ft. Time: 0806 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />