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s"l, <br /> CAMBRLA <br /> November 1, 1996 <br /> Ms Tammy Hodge <br /> Chevron USA Products Company <br /> 6001 Bollinger Canyon Road,Bldg L <br /> San Ramon, CA 94583-0804 <br /> Re Site Summary and Closure Path Recommendations <br /> Former Chevron Station 9-0959 <br /> 103 West 11th Street <br /> Tracy, California <br /> i <br /> Dear Ms Hodge <br /> As you requested, Cambria Environmental Technology (Cambria) has reviewed the file for the site <br /> referenced above Our objective was to evaluate whether additional investigation or corrective action is <br /> necessary to close the site This report summarizes the site data and presents our recommendations <br />• SITE HISTORWBACKGROUND <br /> Site History <br /> The former Chevron service station is located at the corner of Eleventh Street and Adams Street in Tracy, <br /> California(Attachment A) In January 1992, a waste oil tank was removed from the site In July 1993, <br /> the service station was demolished and the gasoline underground storage tanks (UST),pump islands and <br /> piping were removed Five other tanks that were discovered during this excavation were also removed <br /> CAMBRIA from the site To date, eight soil borings have been drilled and five monitoring wells have been installed <br /> on and off site The site is currently a vacant lot <br /> ENVIRONMENTAL <br /> TECHNOLOGY,INC Tank History <br /> 1144 65TH STREET, <br /> Date(s)Removed The waste oil tank was removed on January 8, 1992 and three gasoline storage tanks <br /> SUITE B and five additional tanks were removed on July 8, 1993 <br /> OAKLAND, <br /> Number and Size of Tanks The 1992 excavation to the north of the station building removed one 550- <br /> CA 94608 gallon, single wall, waste oil tank The 1993 excavation was used to remove one 10,000-gallon regular <br /> 010)42R700 unleaded gasoline tank, one 10,000-gallon regular gasoline tank, and one 5,000-gallon supreme gasoline <br /> FAx(510)420-9170 <br />