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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-5 Well Completion Depth: 20.85 ft. <br /> Depth to Water(sounded depth): 8.70 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 12.15 ft. Casing Diameter: 2 in. <br /> Casing Volume: 1.98 gal=Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 5.93 gal=Casing Volume x 3 (volumes required) <br /> Purge Rate: 1.0 gal Purge Method: ES-60 <br /> Time Purge Vol Gal pH EC Temp °C ORP Turb Comments <br /> 1143 Start <br /> 1145 2.00 7.28 4394 20.80 Clear <br /> 1147 4.00 7.28 4366 20.70 <br /> 1149 6.00 7.28 4360 20.70 <br /> 1150 Sampled <br /> 1152 Off <br /> Total Purge Time: 6 Minutes Total Purge Volume: 6 gal <br /> Recharge Depth: 9.63 ft. Time: 1157 Sampling Method:Discharge directly from pump <br /> Decontamination Procedure: Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br />