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500 12th Street <br /> 1 <br /> Suite 100 WoodwartClyde Consultants <br /> Oakland,CA 94607-4014 <br /> (415)893-3600 +�� <br /> September 27, 1989 hl� A` ' <br /> 90189K <br /> 1959 <br /> Anthony J. Landis <br /> Chief Site Mitigation Unit ENVIRC)-, SERVyAL C s � <br /> PimaDepartment of Health Services <br /> Toxic Substances Control Division <br /> Northern California Section <br /> 4250 Power Inn Road <br /> Sacramento, CA 95826 <br /> Re: Docket HSA, Post Closure Groundwater Monitoring Program, Dated <br /> 29 April 1988, LIKA Corporation, Former Field Avenue Annex <br /> Dear Mr. Landis : <br /> Pursuant to the referenced agreement , Woodward-Clyde Consultants has <br /> completed groundwater monitoring for the sixth quarter. As specified in <br /> the agreement , groundwater samples were taken from three monitoring <br /> wells designated as MW-1 , MW-3, and MW-4. A travel blank designated <br /> MW-12 and a blind duplicate sample designated MW-13 were also submitted <br /> for analysis. All of the samples were analyzed at a Department of <br /> Health Services-certified laboratory for the following parameters : <br /> Conductivity, pH, Total Dissolved Solids , Total Copper, Total Nickel , <br /> Total Lead and Hexavalent Chromium. The three sampled wells were also <br /> sounded to determine groundwater elevation. <br /> The groundwater samples were collected on August 31 , 1989 and taken to <br /> California Analytical Laboratories in West Sacramento. Appropriate <br /> chain of custody was maintained. A summary of the results is presented <br /> in Table 1 , and a copy of the laboratory report is attached. <br /> Should you have any questions , please call me. <br /> Sincerely, <br /> C <br /> Christopher L. Vais <br /> Senior Project Engineer <br /> CLV/sst <br /> COT/90189K-L6 <br /> Enclosure <br /> cc: Jim O' Connor - LIKA Corp. <br /> Jim Sheets - Tandy <br /> James Jaffe - Jaffe, Trutanich, Scatena and Blum <br /> Ron Valinoti - San Joaquin Local Health District <br /> Antonia Vorster - RWQCB <br /> Consulting Engineers.Geologists <br /> and Environmental Scientists <br /> Offices in Other Principal Cities <br />