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QUARTERLY GROUND WATER MONITORING REPORT <br /> SECOND QUARTER OF 1992 <br /> 4491 WEST DURHAM FERRY ROAD <br /> TRACY, CALIFORNIA <br />' DELTA PROJECT NO. 40-91-732 <br />' 1.0 INTRODUCTION <br /> This report summarizes the project activities conducted during the second quarter of 1992 at the retail <br />' grocery store locatel_at 4491 West Durham Ferry Road, Tracy, California (site) <br /> 1.1 Purpose <br /> The purpose of this report is to present a summary of ground water analytical results and ground water <br /> elevation data <br /> 1.2 Scone <br />' The scope of work performed by Delta Environmental Consultants, Inc (Delta), at the site consisted of <br /> o A site visit to measure depth to ground water and to collect ground water samples for <br /> chemical analyses of gasoline constituents <br /> © Preparation of a report including all ground water monitoring results to date <br /> 2.0 BACKGROUND INFORMATION <br />' 2.1 Site Description <br /> The site is located approximately 7 5 miles southeast of the City of Tracy, California, at the northeast <br />' corner of the intersection of west Durham Ferry Road and Bird Road at 4491 West Durham Ferry Road, <br /> Tracy, California [Southwest corner of Section 18, T 3S , R 6 E (Figure 1)] <br />' The site elevation is approximately 100 feet above mean sea level MSL as depicted on the U S <br /> PP Y (MSL) P <br /> i <br />' Geological Survey, Vernalis, California, Quadrangle (1969 photorevised 1980) The regional slope of <br /> the land is toward the northeast <br />