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© Technologies <br /> • ENVIRONMENTAL PROJECTS MANAGEMENT . <br /> EPM TECHNOLOGIES, INC • 217 Pnmo Way . P O Box 576185 . Modesto,CA 95357 • 209-538 3768 • FAX 209-538-3966 <br /> 1p'savq, <br /> November 20 , 1993 <br /> 1 <br /> UEc U 6 1993 C 0 F y <br /> Mr . Gerald Sperry <br /> Attorney at Law ENVIRONMENTAL HEALTH <br /> ���F:RVICES <br /> Law Offices of Freeman,P%Yg %, Hartmann & Sperry <br /> ' 1818 Grand Canal Blvd. <br /> Stockton, CA 95207 <br /> iRE: Environmental Assessment of the Extent of Fuel <br /> Hydrocarbon Contamination of Soil and Shallow <br /> ' Groundwater at the Pestana Trust Property, <br /> 275 Grant Line Road, Tracy, CA <br /> Dear Mr. Sperry : <br /> Under the authority of an approved workplan and permit <br /> issued by the Environmental Health Division of the San <br /> Joaquin County Department of Public Health Services <br /> (PHS/EHD) , EPM Technologies , Inc . supervised the augering <br /> of a series of soil borings at the subject site on <br /> September 30 and October 1 , 1993 . The tasks described were <br /> performed in response to site specific requirements set <br /> forth by PHS/EHD and are intended to meet general <br /> guidelines promulgated by that agency and the Central <br /> Valley Regional Water Quality Control Board (RWQCB) . <br /> SITE LOCATION AND DESCRIPTION <br /> The subject site is located in an area of mixed commercial , <br /> residential , and light-industrial usage in the northeastern <br /> portion of the City of Tracy (San Joaquin County) , CA. <br /> It is a rectangular parcel consisting of approximately <br /> 17 ,070 square feet . The site is paved in asphalt and <br /> contains one, single-story building that originally housed <br /> the office and service bays for a retail fuel service <br /> station. In recent years , the building has been used by a <br /> 1 variety of small , repair and rental businesses The site <br /> is presently vacant and unused. <br /> SITE GEOLOGY AND GEOHYDROLOGY <br /> The Water Works Corp . (a former environmental consultant to <br /> E the property owner) reported in a September, 1991 document <br /> Page 1 <br /> OL - — <br />