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k" K L E I N F E L D E R <br />TABLE 4 <br />GROUNDWATER ELEVATIONS <br />Water Level <br />Measurement <br />Date <br />T.O.C. <br />Elevation <br />ft <br />Depth to <br />Groundwater (ft) <br />Water Level Notes <br />Elevation (ft) <br />MW -1 6/07/02 <br />40.97 <br />20.25 <br />20.72 1 <br />MW -2 6/07/02 <br />40.71 <br />19.47 <br />21.24 1 <br />MW -3 1 6/07/02 <br />40.35 <br />19.68 <br />20.67 1 <br />T.O.C. = Top of well Casing <br />ft = feet <br />Notel: The elevations of the monitoring wells are measured in feet above a common datum (NAD 83). The <br />elevations and depths to groundwater measurements are determined from the tops of the well casings. <br />The groundwater elevation was used to determine the groundwater flow direction (3 -pt <br />calculation). The flow direction was calculated to be to the northwest. The groundwater gradient <br />at the site was calculated to be 0.0033 ft/ft on the day of sampling. See Plate 3 for a groundwater <br />contour map. <br />20-3978-03.CHEV / ST02RI I I Page 13 of 18 <br />Copyright 2002, Kleinfelder, Inc. July 1, 2002 <br />