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' Qaiarterly Mpmtorn3g Report Iatwary 2001 <br /> G inepi s Car Wash(Paufic Avenue) <br /> Pige-3 <br />' chilled with ice, and delivered, in accordance with chain-of-custody procedures, to EXtelcheln <br /> Environmental Labs, Inc in Roseville, California, for analyses <br /> I 4 0 GROUNDWATER MONITORING RESULTS <br /> 4 1 GROUNDWATER ELEVATION CONTOURS <br /> On Januaiy 9, 2001, the depth to groundwater was measured in each monitor well prior to the collection <br /> Of groundwater samples The average depth to groundwater was approximately 32 8 feet below the well <br /> measuring points on top of the well casings, slightly below the ground surface The average depth to <br /> groundwater deci eased approximately 2 1 feet since the previous monitoring event conducted in October <br /> 2000 The groundwater elevations ranged from 19 33 to 20 36 feet below mean sea level (bmsl) The <br /> groundwater elevation contour snap (Figure 2, Appendix A) indicates groundwater mounding in the <br /> center of the site in the vicinity of MW-I and MW-2 See Table I (below) for groundwater elevation <br /> data A hydrograph of groundwater elevations is included as Figure S, Appendix A Note from the <br /> hydrograph in Figure S and a comparison of the top of the well casing screen interval versus the depth to <br />' water in Table I that all wells are drowned, i e the water table is 12 to 18 feet above the top of tine <br /> screen <br /> I <br /> I <br /> • <br /> LJ CONDOK i <br />