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f DDDD��I�D <br /> GROUND ZERO ANALYSIS,INC. <br /> AAy 0 .9 2004 <br /> 1714 Main,Street <br /> Escalon,California 95320-1927 ENVIRONMENT HEALTH <br /> Telephone (209)838-9888 PERMIT/SERVICES <br /> Facsimile (209)838-9883 i <br /> 4 <br /> May 4, 2004 <br /> Ms Vicki McCartney <br /> San Joaquin County (� 1 <br /> Environmental Health Department ' b <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> Subject Additional Subsurface Investigation Summary Report <br /> Souza II, LLC, 612 West 1 I`h Street,Tracy, California <br /> Site Code 0001283 <br /> Dear Ms McCartney <br /> Ground Zero Analysis, Inc (Ground Zero) submits this investigation summary report to summarize <br /> investigation activities conducted at the subject property (Figure 1) in March 2004 <br /> 1.0 INTRODUCTION <br /> 1.1 Purpose <br /> On October 2, 2003, representatives of the San Joaquin County Environmental Health Department <br /> (EHD), Ground Zero, and the property owner met to review the status of the site and to formulate <br /> a workplan to facilitate closure of the site The purpose of investigation was to address specific <br /> issues raised by EHD during the October 2, 2003 meeting, which was detailed in a letter from <br /> EHD dated October 10, 2003 (Attachment 1) <br /> 1.2 Resources <br /> Sean Garvey, a Ground Zero geologist, directed fieldwork on March 16, 2004 Vironex, a State <br /> licensed drilling company (C57-705927), performed drilling services Argon Laboratories <br /> (Argon), a California state-certified hazardous waste testing laboratory (ELAP 2359), completed <br /> the laboratory analyses for all samples The investigation was conducted under the direct <br /> supervision of John Lane, a California Registered Geologist <br /> 2.0 BACKGROUND INFORMATION <br /> 2.1 Site Description <br /> The site is located at 612 West Eleventh Street, in the city of Tracy,California A site location map is <br /> presented on Figure 1 Predominant land use in the site vicimty is mixed commercial and residential <br /> The site sits on the south side of Eleventh Street, which is occupied by commercial/retail <br /> G 1GROUNDZE\Snura'ReportslADD_SUBSURF_SUM doc <br />