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1 <br /> WALLACE • KUHL Y�txjyzv <br /> &ASSOCIATES INC PROBLEM ASSESSMENT RT <br /> S NT REP O <br /> GRANITE CONSTRUCTION IVA r 0 1 1995 <br />' 10500 South Harlan Road <br /> N PF oNMErvrAL NFALrH <br />' French Camp, California MITISERVICES <br /> WKA No 2088 07 <br />' April 7, 1995 <br /> INTRODUCTION <br /> Purpose and Scope <br />' In accordance with our Environmental Services Proposal of December 30, 1994, we <br />' have prepared this Problem Assessment Report summarizing our recent work at the <br /> above referenced site (Plate 1) The purpose of our investigation was to evaluate the <br /> vertical and horizontal extent of petroleum hydrocarbon contamination in subsurface <br /> soil and ground water beneath the site <br /> 8 <br /> The scope of our work included drilling and sampling one soil boring, construction <br /> F� Geotechnical Engineering <br /> of two additional ground water monitoring wells, and obtaining water samples from <br />' Engineering Geology the two newly constructed wells and the six existing ground water monitoring wells <br /> r_;' <br /> We also reviewed available State of California Department of Water Resources maps <br /> Environmental Consulting <br /> to <br /> and publications to determine if there is any local ground water pumping influences <br /> 1 <br /> due to nearby wells (private, municipal, and/or irrigation) located within a 2,000-foot <br /> Remediation Services <br />' radius of the site <br /> Construction inspection <br /> l <br /> it Materials Testing <br /> SITE DESCRIPTION <br /> r <br /> i <br /> The site comprises approximately 20 acres located easterly of Harlan Road, south of <br />' 3050 Industrial Blvd French Camp, California The easterly Portion of the site contains an asphalt batch <br /> West Sacramento <br /> plant, the western portion is occupied by a construction maintenance facility and <br /> CA 95691 offices (Plates 2) <br /> t Fax 916 372 2565 <br /> 916 372 1434 <br /> I <br /> Recvded paper <br />