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'� v 'mow` !. �' ^�a �a •� <br /> 9 <br /> Consulting in Geology E Geohydrolagy <br /> WE1SS ASSOCIATES <br /> 2938 McClure Street, Oakland CA 94609 <br /> 415-465-1100 <br /> J <br /> UN 14 19BB <br /> 10 June 1988 ENVIROMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Gordon Boggs <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, CA 95827-3098 <br /> Re: Subsurface Investigation <br /> at 1111 Navy D�ive, Stockton <br /> California; WA Job# 44-245-03 <br /> Dear Mr. Boggs: <br /> f This letter responds to your 27 May 1988 memorandum to Laurie Cotulla and Dave <br /> Carls of the San Joaquin Local Health District - Environmental Health <br /> th Division <br /> byJ Weiss <br /> regarding the subsurface investigation and remediation g California. As <br /> Associates (WA) for Safeway Stores at 1111 Navy Drive in Stockton, <br /> detailed in our correspondence dated 30 March 1988, <br /> we arc requesting California <br /> Regional Water Quality ualit Control Board - Central Valley Region (RWQCB-CVR) and <br /> SJLHD approval to leave a 13-inch-thick concrete tic-down slab at the base Of an <br /> underground fuel tank excavation in place at the site. In your memorandum you <br /> report" to address the following concerns: <br /> requested a "proper and complete <br /> 1 How do hydrocarbon concentrations in samples collected beneath the slab <br /> compare to concentrations in samples collected from perimeter borings and from <br /> the excavation side-walls? <br /> A Division of Aguaverra Associates Incorporated <br />