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_ _ _ _`T;.^'.'6 —'�_.V32 _ - _ _ r. .8..-+=✓as9tY e. Ee`� _ _ 4 s a�3i �'.3T.v[ <br /> Cw� _ <br /> aa <br /> 0. <br /> i <br /> MAR 06 '68 28=26 EMCELTECH/SF <br /> P.4 <br /> C� Kayo Oil Company 2XCI LTICH March 5, 1988 <br /> Project No. 1813G Page 2 <br /> The hydrogeology of tho site consists of a perched, unconfined water-table <br /> 3 <br /> aquifer as Interpreted by E.I. Dupont Co. In their 1987 report titled <br /> Groundwater Contamination Assessment report, Kayo Oil Company, Fast Gas <br /> Station, 800 E. Highway 12, Lodi, California. Ground water occurs at <br /> approximately 42 to 44 feet below ground suriaco. The saturated thickness of <br /> €� the aquifer is approximately 6.8 feet. Shallow ground-water flow is variable <br /> depending on ground-water production well pumping within the local vicinity. <br /> `YPrevious contamination ancossment Investigations conducted on site have <br /> �. focused on coil and ground-water quality. At the. present time; twenty six I <br /> i ground-water monitoring wells exist on- and off-site, all wells except MW-1 <br /> through 9, MW-16, and MW-20 are completed In the shallow unconfined aquifer, ; <br /> and fully penetrate It. More specific geologic and hydrogeologic information } <br /> may be obtained In the Dupont, 1987 report cited above. I <br /> f <br /> zi <br /> J, <br /> 41 <br /> } <br /> r � j <br /> 4 <br /> �R <br /> i <br /> E $ t <br /> lllll� <br />