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SECTION 1 <br /> INTRODUCTION <br /> 1 <br /> This document is a Preliminary Assessment Report (PAR) for three <br /> underground fuel storage tank sites located on the property at the <br /> western extreme of West Weber Avenue in Stockton, California <br /> (Figure 1-1). This report summarizes the findings of previous <br />' reports prepared for the propertyl. This PAR is being submitted to <br /> the Environmental Health Division (EHD) of San Joaquin County <br /> Public Health Services by ERM-West, Inc. (ERM-West) on behalf of <br /> Catellus Development Corporation (Catellus), as agreed upon in a <br /> letter from EHD dated November 23, 1992. This document has been <br /> prepared in accordance with applicable regulatory guidelines, <br /> specifically the Tri-Regional Board Staff Recommendations for <br /> Preliminary Evaluation and Investigation of Underground Tank <br /> Sites, dated August 10, 1990 <br /> This PAR addresses three specific site locations at the following <br /> addresses on the West Weber property (Figure 1-2). <br /> 0 15 .5 West Weber Avenue: Former Tank Site #1 <br /> • 1325 West Weber Avenue. Former Tank Site #2 <br /> 1541 West Weber Avenue: Former Tank Site #3 <br /> r Underground fuel storage tanks have been removed from each site <br /> location. At Former Tank Sites #1 and #2, a release of petroleum <br /> products from an underground storage tank has been detected, and <br /> the extent of constituents in soil and ground water has been <br /> characterized at each site. No impacts to sods or ground water were <br /> associated with the tank removal at Site #3. <br />' The purpose of this report is to summarize the site characterization <br /> and investigation activities undertaken to date for the three tank <br /> removals, and to provide an evaluation of remedial alternatives for <br /> the saes where releases have occurred (Former Tank Sites #1 <br /> and #2). No remedial action is necessary at Former Tank Site #3 <br /> r1 Interim Preliminary Assessment Report for Storage Tanks Located at 1325, 1541 and <br /> 1515 West Weber Avenue, Stockton, California, prepared by ERM-West, Inc , October <br /> 1991, Supplement to the Interim Preliminary Assessment Report for the Former Tank <br /> ' <br /> Site #2 Located at 1325 West Weber Avenue, Stockton, California prepared by ERM- <br /> West, Inc , May 1992, and Quarterly Ground Water Monitoring Reports, prepared by <br /> ERM-West, Inc,July 1991 through Apn1 1993 <br /> 1-1 <br /> r <br />