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— Cott"•g��+ Q r��� Ce��\e�r w;t k�c' �t�,•. o e .- <br /> ; e� <br /> ,aa�Q.r �F<Q nest .s�zEQw, <br /> Ogden Environmental Services, Inc. July 29, 1988 <br /> Mr. William S. Rickman Page 2 <br /> 3. Containerize soil cuttings from the inner perimeter wells onsite. <br /> (These cuttings will subsequently be thermally treated with the <br /> Circulating Bed Combustor (CBC) . The outer perimeter wells are <br /> beyond the zone of contamination as defined in the assessment <br /> report dated May 20, 1988. In the unlikely event that contami- <br /> nation is observed in these borings, soil cuttings will be contain- <br /> erized for subsequent treatment.) <br /> 4. Containerize development water from the inner perimeter wells and <br /> the piezometers onsite prior to treatment with the water treatment <br /> system. <br /> 5. Abandon all wells in an appropriate manner. (The inner perimeter <br /> dewatering wells, as well as the existing groundwater monitoring <br /> wells KF-MW-1, 2, 3, and MEI-MW-1, 2, 3 will be abandoned by <br /> complete removal of well materials and gravel pack during the <br /> proposed excavation. The outer perimeter dewatering wells and <br /> piezometers extending below the base of the proposed excavation <br /> will be abandoned after completion of remediation activities by <br /> grouting from top to bottom in accordance with the San Joaquin <br /> Local Health District regulations.) <br /> Prior to initiation of this work, the Central Valley Regional Water <br /> Quality Control Board and the San Joaquin Local Health District must give <br /> approval of this plan. Please call if you have any questions or comments. <br /> Very truly yours, <br /> McCLELLAND ENGINEERS, INC. <br /> � 0" _ <br /> Thomas D. Matteucci <br /> �Project� Hydrogeologist <br /> Thomas W. McNeilan, P.E. <br /> Engineering Manager <br /> TDM/TWM:val <br /> cc: David Carls (San Joaquin Local Health District) <br /> Gordon Lee Boggs (CVRWQCB) <br /> ^. McClelland <br /> 816o3C/H-2 <br />