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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-2 Well Completion Depth: 30.12 ft. <br /> Depth to Water(sounded depth): 12.30 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 17.82 ft. Casing Diameter: 4 in. <br /> Casing Volume: 11.58 gal = Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 34.74 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 /> 0934 Start <br /> 0940 12.00 7.00 2696 20.60 Clear <br /> 0946 24.00 7.00 2689 20.70 <br /> 0952 36.00 6.99 2688 20.70 <br /> 0953 Sampled <br /> 0955 Off <br /> Total Purge Time: 18 Minutes Total Purge Volume: 36 gal <br /> Recharge Depth: 12.38 ft. Time: 1000 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />