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603284-001 <br />and the measured depth to groundwater upon completion of drilling. Depths and <br />elevations should be considered approximate. <br />TABLE 1: GROUNDWATER MEASUREMENTS <br />Boring Depth to Depth to G.W.Approximate <br />Boring Elevation Perched G.W.(ft.)G.W. Elevation <br />(ft.)(ft.)(ft.) <br />B-1 100.0 25.5 33.4 66.6 <br />B-2 101.0 N/E 34.9 66.1 <br />B-3 99.5 N/E 33.2 66.3 <br />B-4 99.5 N/E 32.0 67.5 <br />8-5 101.0 N/E 41.6 59.4 <br />8-6 100.0 25.5 <br />B-7 110.5 25.0 <br />B-8 101.0 N/E <br />B-9 100.5 N/E <br />N/E= Not Encountered <br />According to the California Geological Survey (1997), historical high groundwater <br />elevations below the site are as shallow as 15 feet bgs. <br />-4,20 <br />-8- <br />Leighton <br />SL Rvcd 2019.01.21