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QUARTERLY REPORT <br /> Geweke Land Development & Marketing <br /> 16 South Cherokee Lane <br /> Lodi, California <br /> September 1994 <br /> 1.0 INTRODUCTION <br /> At the request of Geweke Land Development & Marketing (GLD\1), and in accordance <br /> with Cleanup and Abatement Order No 93-701, Geological Audit Sernces, Inc (GeoAudlt) <br /> has prepared this Quarterly Report of activities at 16 South Cherokee Lane in Lodi, <br /> California This report summarizes activities at the site during the third quarter of 1994 <br /> The location of the site is illustrated in Figure I A plan of the site is illustrated in Figures <br /> 2 and 3 <br /> 2.0 BACKGROUND <br /> 21 Hydrocarbon Impacted Soil and Groundwater Assessment <br /> An environmental investigation of the site has been ongoing since 1987 A total of 1.1 <br /> groundwater monitoring wells, one groundwater extraction Aell and numerous soil borings <br /> have been drilled and sampled at the site Assessment of the site \.as completed by <br /> GeoAudxt in 1993 A Problem Assessment Report (PAR), Final Remedial Plan (FRP) and <br /> subsequent addendums, were prepared by GeoAudxt and submitted to the Central Valley <br /> Regional Water Quality Control Board in 1993 and 1994 <br /> The PAR detailed the results of final assessment procedures and analyzed several possible <br /> methods of soil and groundwater remediation for the site Based upon site conditions, <br /> current site use and cost, the PAR recommended in-situ bioremediation The FRP, and <br /> subsequent addendums, detailed the proposed remediation method <br /> 2.2 In-Situ Bioremediation Pilot Study <br /> A pilot study of the in-situ soil bioremediation was performed between February 4 and <br /> March 31, 1994 For the pilot study, five wells were inoculated with hydrocarbon-consuming <br /> bacteria The pilot study lasted for two months Dunng the pilot study, two soil bonngs were <br /> dnlled to monitor the bioremediation progress Analysis of soil samples from the soil borings <br /> indicated a significant decrease of hydrocarbon impacted soil in the immediate vicinity of <br /> one of the inoculated wells <br /> Q..M.�f R"rw W33 GEWM5 <br />