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DAMES & MOORE A PROFESSIONAL LIMITED PARTNERSHIP <br /> San Joaquin Local Health District <br /> November 28, 1988 <br /> Page 2 <br /> 2. Identify on the site map all wells within 2,000 foot radius of <br /> contamination(s) area(s) . <br /> 3. Current placement of existing monitoring wells do not <br /> appropriately define the area of contamination. These existing <br /> wells illustrate areas of the site that have not been impacted <br /> and are spaced as perimeter or barrier wells. <br /> Responses to each of the above comments are provided below. <br /> Item 1: It is our understanding that at the present time, there is <br /> only one (1) existing production well located at the American Moulding <br /> and Millwork (AM&M) facility. The location of this production well is <br /> shown on the attached site map. According to American Moulding and <br /> Millwork, the production well is not currently utilized. The existing <br /> production well and the three existing monitoring wells will be resampled. <br /> Item 2: Dames & Moore performed a groundwater sampling well survey <br /> as part of the supplemental site investigation. Figure 2-5 of the FS/RAP <br /> report identifies wells within a 1-mile radius of the American Moulding <br /> and Millwork facility. Based on the well survey, only two wells (#26 and <br /> #27 on Figure 2-5) are located within 2,000 feet from the diesel leak <br /> area. Well #27 is the existing AM&M production well and well #26 is a <br /> private well located approximately 2,000 feet south (upgradient) of the <br /> diesel leak area. According to the DWR Water Well Drillers Report, the <br /> private well is owned by a Mr. Ed Lewis and is located 100 feet west of <br /> the south end of Palm Avenue. <br /> BS/2636b <br />