Laserfiche WebLink
C A M B R I A September 9, 2005 <br /> Ms. Lori Duncan <br /> San Joaquin County Environmental Health Department <br /> 304 E.Weber Avenue,Third Floor <br /> Stockton,California 95202 <br /> Re: Corrective Action Plan and Risk-Based Corrective Action Analysis <br /> Shell-branded Service Station <br /> Pacific Avenue <br /> Stockton,California <br /> Et\f ED <br /> Incident No.98996189 RE , <br /> SJCEHD Site Code 1223 <br /> Cambria Project No.247-0854-010 SEP 12 1005 <br /> © E PERI�IE341 SER�EAL:M <br /> Dear Ms.Duncan: <br /> Cambria Environmental Technology,Inc. (Cambria)prepared this document on behalf of Equilon <br /> Enterprises LLC dba Shell Oil Products US (Shell) as discussed during a June 9, 2005 meeting <br /> between Shell, San Joaquin County Environmental Health Department (SJCEHD), and Cambria <br /> staff. This document includes a corrective action plan (CAP), which complies with Article 11, <br /> Chapter 16 of the Underground Storage Tank Regulations, and a risk-based corrective action <br /> (RSCA)analysis. <br /> SITE BACKGROUND <br /> Site Location and Description <br /> The site is an active Shell-branded service station located on the southwest corner of the Pacific <br /> Avenue and Porter Avenue intersection in a mixed commercial and residential area of Stockton, <br /> California (Figure 1). The site layout includes three existing fuel underground storage tanks <br /> (USTs), four dispensers, a service station building,and a former UST complex(Figure 2). <br /> Previous Work <br /> 1990 Soil Borings: During March 1990, Aegis Environmental Consultants (Aegis) of Roseville, <br /> California drilled 14 soil borings (B-1 through B-14) near the former (then existing) and current <br /> Cambria <br /> Environmental (then proposed)UST locations. The highest petroleum hydrocarbon concentrations were detected <br /> Technology,Inc. in a soil boring at the southwest corner of the former UST location. Maximum concentrations <br /> were 17,000 parts per million (ppm) low/medium boiling point hydrocarbons quantitated against <br /> 5900 Hollis Street <br /> Suite A <br /> Emeryville,CA 94608 <br /> Tel(510)420-0700 <br /> Fax(510)420-9170 <br />