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i <br /> WEISS ASSOCIATE'S Consulting In Geology E, Geohydrology <br /> 2938 McClure Street, Oakland, CA 94609 415-465-1100 <br /> ppn I FPT rnpy <br /> 10 June 1988 <br /> Gordon Boggs <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3 3443 Routier Road <br /> t <br /> Sacramento, CA 95827-3098 <br /> 4 <br /> Re: Subsurface Investigation <br /> at I III Navy Drive, Stockton <br /> California, WA Job# 44-245-03 <br /> s I <br /> r <br /> Dear Mr. Boggs: <br />{ <br /> 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 Division (S)LHD) <br /> regarding the subsurface investigation and remediation being conducted by Weiss <br /> Associates (WA) for Safeway Stores at 1111 Navy Drive in Stockton, California. As <br /> dctallcd in our correspondence datea 3V Marcn 1988, we are requesting California <br /> Regional Water Quality Control Board - Central Valley Region (RWQCB-CVR) and <br /> SJLIID approval to lcaNe a 13-inch-thick concrete tie-down slab at the base of an <br /> underground fuel tank excavation in place at the site. In your memorandum you <br /> r <br /> rc nested a "proper Q pope and complete report to address the following concerns: <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 DItlision of AguaTierra Associates Incorporated <br />