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Geofogica[Technics Inc. <br /> 2741�R}ver rRgad <br />' Wodesto,Caftfonna 95351 <br /> (209)538-6424ITax#538-5852 <br />' REPORT <br /> Groundwater Monitoring <br />' <br /> 1" Quarter 2001 <br /> J.M. Equipment Company <br /> 1245 West Charter Way <br /> Stockton, California <br /> Project No 507 2 <br /> March 30, 2001 <br /> EXECUTIVE SUMMARY <br />' This report summarizes the results of the 151 Quarter 2001 groundwater monitoring and <br /> testing event that took place on March 12, 2001 The analytical results of groundwater <br /> samples show that detectable concentrations of BTEX and TPH-G were present in five of <br /> reight groundwater monitoring wells The magnitude of the contamination in the wells is <br /> consistent with historical site data Fuel oxygenate compounds were detected in four of the <br /> eight wells <br /> The Oxidation-Reduction Potential measurements show that all eight of the monitoring <br />' wells are within the halo of reaction depleted water caused by biodegradation of the <br /> contamination plume <br /> On March 12, 2001, the average depth to groundwater at the site was 13 64 feet bgs and the <br /> groundwater flow was N37°E at 0 002 ft/ft <br /> GTI has submitted a work plan for additional site characterization, which has been approved <br /> by San Joaquin County PHS/EHD The USTCFP has approved the cost of the project and <br /> the permits for completing the work have been requested <br />