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I <br /> FINAL REMEDIAL PLAN <br /> Geweke Land Development & Marketing <br />' 16 South Cherokee Lane <br /> Lodi, California <br />' 1. 0 INTRODUCTION <br />' At the request of Mr. Mark Geweke of Geweke Land Development & <br /> Marketing (GLDM) , and in accordance with Cleanup and Abatement <br /> Order No. 93-701 , the Final Remedial Plan (FRP) for the property <br /> located at 16 South Cherokee Lane in Lodi, California has been <br /> amended and revised. The original FRP was submitted by Geological <br /> Audit Services, Inc. (GeoAudit) in January 1992 ; an Addendum was <br /> subsequently submitted in July 1992 . <br /> I2 . 0 BACKGROUND <br /> Figure 1 shows the location of the site. Evidence of an <br /> unauthorized release of gasoline from underground fuel storage <br /> tanks (UST ' s) was encountered during the removal of three UST' s <br /> from this site in 1985 . Several environmental firms have been <br /> involved in the subsequent assessment of this release. The impact <br /> of this release on the vadose and saturated zones was initially <br /> I investigated by J.H. Kleinfelder, Inc. (Kleinfelder) in the latter <br /> portion of 1985 . Between 1986 and 1990 , Brown and Caldwell <br /> Consultants (BCC) performed additional field investigations. Field <br /> work was performed by PES Environmental in 1991, and in July of <br /> that year, PES submitted a Problem Assessment Report that <br /> summarized all previous investigations and proposed remedial <br /> alternatives. Contour maps of groundwater elevation and hydrocarbon <br /> I contaminants were included •in the PAR, but no cross sections or <br /> contour maps delineating the distribution of contaminants in the <br /> vadose zone were presented. <br /> The PAR became the basis for an FRP, which was submitted by <br /> GeoAudit in January 1992 . The FRP focused primarily on a discussion <br /> of recommended methods for soil and groundwater remediation. No <br /> additional field work was performed, and new data on vadose-zone <br /> contamination were not generated. <br /> I San Joaquin County Public Health Services - Environmental Health <br /> Division (PHS/EHD) and the Central Valley Regional Water Quality <br /> Control Board (CVRWQCB) found the FRP inadequate for several <br /> reasons, including the absence of maps and cross sections depicting <br /> I vadose zone contamination. Therefore, GeoAudit submitted additional <br /> information in July 1992 , but was unable to respond to all Board <br /> questions without collection of additional data . <br /> GeoAudit submitted a work plan for the installation of additional <br /> soil borings and wells in April 1993 . The objective of this phase <br /> I 1 <br />