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water quality is to be monitored in the excavation zone if encountered during the initial <br /> excavation and following the removal of contaminated material <br /> ' The initial assumed groundwater gradient has been established from ground water <br /> surface elevations of monitoring wells The gradient was measured at 0 002 ft/ft to the <br /> ' north on June 22, 2004 Depth from the top of PVC casing to the groundwater as <br /> measured on June 22 at MW No 1 was about 52 3 FT and has shown a seasonal <br /> ' fluctuation of about two to three FT <br /> 1 <br /> 1 <br /> 1 <br /> 3-5 <br />