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Eckert Cold Storage <br /> 757 Moffat Boulevard <br /> Manteca, California <br /> 1 <br /> 1.0 Project Identification <br /> ' This project has been developed to explore the lateral and vertical migration of the soil <br /> contamination plume near the area of the former underground storage tanks and to <br /> ' attempt to define the limits of the groundwater contamination plume by installing an eighth <br /> groundwater monitoring well in the down gradient (westerly) direction. This <br /> contamination was associated with leaking underground storage tanks that were removed <br /> ' in July, 1986. Monitoring Well,# 2 (MW-2) will continue to be used for the purpose of <br /> groundwater gradient calculations. <br /> ' 2.0 Site Location & History- <br /> ' Eckert Cold Storage Company occupies approximately ten acres of property identified by <br /> the San Joaquin County Assessor's Office as 757 Moffat Boulevard, within the <br /> incorporated City of Manteca, in San Joaquin County, California (Figure 1). The facility <br /> is utilized for the purpose of processing vegetables and the cold storage of the same. The <br /> facility cleans, cuts, grades, packages and stores various types of perishable foods. During <br /> the normal business season the entire ten acre site is utilized by incoming and outgoing <br /> trucks, forklifts and personnel from March until late November each year(Figure 2). <br /> ' Eckert Cold Storage Company removed a single 500 gallon gasoline tank (# 4) from the <br /> site in July, 1986. In April, 1987, a site inspection of the tank removal area was <br /> conducted and soil samples were collected at that time. The results of that testing <br /> ' indicated contamination of soils had occurred. <br /> In February, 1988, the remaining three underground fuel tanks were removed from the <br /> same location. No contamination was identified during this sampling event. <br /> Because of the gasoline contamination identified in April, 1987, the San Joaquin County <br /> ' Public Health Department's Environmental Health Division directed Eckert Cold Storage <br /> Company to investigate the problem and provide a Problem Assessment Report. <br /> ' On January 26'b, 27`s and 30'b, 1995, WHF drilled three soil borings and completed each as <br /> a groundwater monitoring well with two-inch i.d. PVC casing. Samples from the borings <br /> were analyzed to determine the extent of the soil contamination plume. The three <br /> 1 <br />