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ARP110d GOOSyStOMS 4191-E Power- Inn Road, Sacramento, CA 95826 (916) 452-2901 <br /> • FREMONT • IRVINE • HOUSTON • BOSTON • SACRAMENTO. • CULVER CITY • SAN )OSE <br /> - = REPORT - - - <br /> EVALUATION OF SOIL AND <br /> - GROUND WATER <br /> at - <br /> Proposed ARCO Station ;. <br /> Northeast Corner <br /> Main and Indiana Streets <br /> Woodbridge, California <br /> Eor-ARCO Products Company <br /> INTRODUCTION <br />-_ ARCO Products Company (ARCO) requested that Applied GeoSystems perform the work <br /> i , necessary to-evaluate whether hydrocarbon•contamination of soil =and ground water has <br /> occurred at a.proposed ARCO- Station in Woodbridge, California.. The purpose of this _ <br /> investigation was to evaluate the property-for the possibility of hydrocarbon contamination- <br /> before ARCO purchases the property.and. constructs station facilities. As part of this- <br /> investigation, Applied GeoSystems performed a soil-vapor-survey, observed the-drilling of <br /> four soil borings and installation of three ground-water monitoring wells, collected and -- <br /> analyzed selected soil and groundwater samples from the borings and monitoring wells, and- <br /> surveyed the monitoring wells for gradient evaluation. This report summarizes the previous <br /> work known to us; describes the current work, methods of analyses used=, and analytical <br /> results obtained; and presents our -interpretations-of the data collected-.- <br />