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y. .� W i wa:' 1- - "�k r� *e� fro'r ¢ w'`-iv s * •-�" ' <br /> #r <br /> S Ott' <br /> G <br /> ESTIMATE OF pRODUCT LOSS <br /> There is no way to estimate the amount of fuel lost. The <br /> tanks were in service for many Years and no records of deliveries <br /> and usage are available. <br /> I would not expect the total volume to be great since the <br /> tanks were small and the through-put was small. <br /> The lost product is gasoline and probably is a combination <br /> of leaded and unleaded. <br /> TOPOGRAPHY <br /> flLt, with an elevation of 145+ feet and <br /> The site is very <br /> sloping to the easterly direction at a rate of 35 feet <br /> generally l of the San Joaquin River drainage <br /> per mile toward the base leve <br /> system. <br /> GES Y <br /> dimentary in nature, a <br /> The geology of the region-area is se <br /> combination of fluvial-marine strata consisting <br /> and clays- <br /> SOIL <br /> and clay <br /> facies with lenses of sand and gravely <br /> SOI TYPES with <br /> soil to a depth of 18 feet was generally silty-clay <br /> rsed throughout the silt-clay matrix. Some sands and <br /> sands dispe <br /> gravels ars. expected to be found at deeper depths. <br /> GROUNDWATSR <br /> ately 90+ feet deep per <br /> Groundwater in the area is approxim <br /> San Joaquin County Department of public Works. Seasonal <br /> fluctuations are unknown at this time. <br /> ydELLS <br /> supplywells on the site. O -i. <br /> There are <br /> two domestic attar distnce of approximately �aa <br /> is located to the northwe„g + G.P.M. The other is c�cated in the <br /> feet with a capacity of rox.mately feet with a <br /> _ northeast corner at a distance of app �} to the <br /> capacity )f 2000+ G.P.M• : draw down for thisled about is t/1Q09a1- <br /> A third "8" domestic well is being <br /> weast near MacArthur Blvd. �p00' <br />