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2.6 Estimates of liquid quantity and composition leaked: <br /> An estimated 1100 gallons of diesel fuel was reportedly <br /> leaked from this site. <br /> 2.7 Topography, geology, surface water, depth to groundwater: s <br /> The site is situated on level terrain comprised of <br /> Quaternary-Recent alluvial sediments. The San Joaquin Flood <br /> Control and Conservation District reported depth to <br /> groundwater in this area at less than 20 feet. Smith's <br /> Canal, the nearest surface water body, is located on the E <br /> south side of the project site. <br /> 2.8 Proximity of private, municipal and irrigation wells: <br /> Data on wells within one mile of the ' <br /> b the Department of Water project site provided <br /> y p Resources (DWR) are plotted on <br /> Figure 3. Three water wells, are located on the north side <br /> M o f i s p opera o't c) �0 +.• r.Vcc uMA4 Gal (� <br /> 2.9 Locations of nearby septic tanks and underground utilities: 3 <br /> The plant is part of the municipal sewer system as such no <br /> septic systems exist. Utilities in the vicinity of the <br /> underground tank and product line locations are plotted on <br /> Figure 2. <br /> 2.10 Distance to adjacent buildings and their water/sewer lines: <br /> The nearest building and utility laterals around the product <br /> line . and tank area are indicated on Figure 2. Utility <br /> laterals subsurface explorat on. <br /> 3.0 PROPOSED WORKPLAN j <br /> To assess the potential contribution of the leaking product <br /> lines at the Smith's Canal Pumping Plant to groundwater <br /> contamination, WaterWork proposes to drill and sample four <br /> [A' groundwater monitoring wells, and two shallow soil borings. . <br /> One monitoring well adjacent to the leak point and three <br /> wells to define the areal extent, two down gradient and one <br /> upgradient from the source, should be adequate to provide a <br /> preliminary determination of the contamination. Drilling of <br /> two soil borings near the leak point will define the near <br /> source shallow soil contamination. <br /> The following scope of work is proposed: <br /> ...... .... 1. ... ...Four._.soil. boringswill be drilled to a depth of 35 feet <br /> below the water table to provide for the installation of <br /> y � groundwater monitoring wells. The wells will be permitted <br /> I <br /> 0 <br />