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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: MW-2 Well Completion Depth: 24.50 ft. <br /> Depth to Water(sounded depth): 12.00 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 12.5 ft. Casing Diameter: 4 in. <br /> Casing Volume: 8.12 gal = Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 24.36 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 /> 0906 Start <br /> 0911 10.00 7.29 2114 19.40 Clear <br /> 0915 18.00 7.33 2115 19.40 <br /> 0919 26.00 7.33 2115 19.40 <br /> 0920 Sampled <br /> 0922 Off <br /> Total Purge Time: 13 Minutes Total Purge Volume: 26 gal <br /> Recharge Depth: 12.10 ft. Time: 0927 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />