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^. L <br /> V <br /> Quarterly Report - March 1998 <br /> Gev►reke Land Development& Marketing <br /> 16 South Cherokee Lane,Lodi,California <br /> r <br /> 1.0. INTRODUCTION AND SCOPE OF WORK <br /> and in accordance=with 4 <br /> At the-request of Geweke-Land'Development & <br /> Marketing (GLOM}, prepared <br /> Cleanup and Abatement Order No 93-701,Advanced G esEne�°m a at 6 SouAth Cherokee Lane, <br /> this report of monitoring and remediation field actrvi p <br /> Lodi, California during the fust quarter of 1998 The site and Itto are shown on Fllgure 2e Site <br /> Figure 1 - Vicinity Map Structures and well locations related to the s <br /> Plan <br /> Ground water and soil monitoring Is scheduled on a periodic basis to assess to collect and evaluate <br /> olo <br /> logical activities The scope of work covered by this report <br /> and nucrobl g - and to document <br /> field data, to summarize the progress of the In-situ bioremediation pra�ect, <br /> nvestigations <br /> monitoring activities at the site during the first quarter of 11d99he Q�art� y Previous <br /> porrts-i March i99� <br /> are detailed in the Problem Assessment Report (PAR) <br /> Analytical results from previous monitoring events are included in Tables 3,4, S and 6 of this report <br /> 2.0. PROCEDURES <br /> lie <br /> 2 1 MONITORING WELL PURGE PROCEDURES <br /> On <br /> 10 March 1998, a Solinst water level meter was used to measure the depth to ground water in <br /> each monitoring well relative to the top of the well casing (Table 1 MW-7itoring tlirough wells <br /> M and <br /> through MW-6 were purged using clean PVC bailers MQmtariMonitoring wells MW-3,MW-4 and <br /> 4 EW-1 were purged using a 2-inch diameter submersible pump <br /> MW-5 were purged dry A minimum of three well volumes of water was removed from each of the <br /> r remaining wells <br /> I water were measured at'regular intervals'using an <br /> Temperature, pH and conductivity of the purge <br /> ICM water analyzer to document stabilization of these water charact ed flstincOs Stabilization <br /> appFo ed des aannd <br /> field sheets are included in Appendix A The purge,water was plat <br /> stored on-site <br /> f r <br /> 2 2 COLLECTION OF GROUND WATER SAMPLES Y <br /> bailers. Immediately upon <br /> Water Samples were collected from,each well using disposable plastic <br /> _ e samples were transferrd into 40-m1 EFA-approved VOA vials containing <br /> m ml a chi 8 d . <br /> retrieval,th P les were labeled, stored,and transpn <br /> hydrochloric acid as a preservative ,The samp <br /> i ; Advanced GtoEnvironmental,Inc <br />