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1 INTRODUCTION <br /> On behalf of USA, Pinnacle Environmental Solutions, a division of EMCON (Pinnacle) <br /> has prepared this Remedial Action Plan (RAP) based on the guidelines provided by the <br /> San Joaquin County Public Health Department (SJCPHD). As part of the RAP, Pinnacle <br /> has evaluated the economical and technical feasibility of the remedial alternatives <br /> available for the site. The primary objective of the RAP is to analyze the site specific <br /> data gathered, and assess alternatives capable of providing timely site closure. <br /> Alternatives capable of remediating the petroleum hyrdocarbon impact to the soil and <br /> groundwater at the site have been compared with respect to site specific factors such as, <br /> extent of impact, local.hydrology, physical constraints, implementability, effectiveness <br /> and cost. The remedial alternatives evaluated during the feasibility study are as follows: <br /> soil vapor extraction and air sparging, groundwater extraction and treatment, <br /> bioremediation, and installation of containment barriers. <br /> ESJ:IE:\USA100651REPORT510065P201.DOC-9811sg:1 Rev.0, 1/26/99 <br /> 20A41-007.001 1-1 <br />