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z <br /> Wal utC'e Avenue.Sucre 364 Woodwar lyde Consultants <br /> Walnut Geek. CA 94596-3564 <br /> .. 415-945-3000 <br /> December 10, 1987 <br /> 90189C <br /> op <br /> � <br /> Mr. James T. Allen 1987 <br /> Department of Health Services (DHS) <br /> Toxic Substances Control Division ENVIROMENTAL HEALTH <br /> Northern California Section NPERMITAERVICESI <br /> 4250 Power Inn Road <br /> Sacramento, California 95826 <br /> Re: Docket No. 87/88-016 RA, Stockton, San Joaquin County <br /> Dear Mr. Allen: <br /> In a DHS memo to Lika Corporation dated 18 August 1987, DHS requested <br /> additonal information be provided to adequately characterize groundwater <br /> at the Lika site. All of the requested data has been collected, <br /> evaluated and is presented below. <br /> 1. In addition to the well logs submitted to DHS in our letter dated 18 <br /> June 1987, DHS requested well logs for eight additional wells. In a <br /> DHS letter dated 24 April 1987 to the LIKA Corporation, Task 5 <br /> requested well information within one mile of the site be submitted, <br /> and of the eight wells, only two wells, T01N/R06E-04: B01 and JO1 , <br /> were located within one mile of the site. The well logs for these <br /> two wells were not on file at the Department of Water Resources <br /> (DWR) . The explanation given by DWR for well logs not in DWR's file <br /> were as follows : <br /> 1) Wells logs for wells not in DWR's file were not submitted to <br /> DWR. <br /> 2) Wells could have been installed after our submittal to DHS. <br /> 3) The well logs for wells not on file at DWR will be filed later <br /> (pending court case) . <br /> 2. The following changes in Task 2 were made as the result of our <br /> telephone conversation with DHS on 25 August 1987: <br /> 1) The duration of measurement of groundwater levels in the <br /> monitoring wells, MW-1 and MW-4 and ship channel elevation <br /> (Task 4) was reduced from two quarters to two months (4 <br /> September to 4 November 1987) . <br /> Consulting Engineers,Geologists <br /> and Environmental Scientists <br /> Offices in Other Principal Cities <br />