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06 December 2004 <br /> AGE-NC Project No.04-1238 <br /> Page 3 of 6 <br /> consolidated alluvium, lake, playa and terrace deposits of Quaternary age (California Division of <br /> Mines and Geology, 1977). <br /> The depth to ground water at the property is approximately 10 feet below surface grade(bsg),based <br /> on the map titled Lines of Equal Depth to Groundwater Spring 1996,published by the San Joaquin <br /> County Flood Control District and Water Conservation District(FCD&WCD).Based upon previous <br /> investigations performed by AGE at an adjacent site, ground water depth at the site ranges between <br /> 10 and 12 feet bsg.It is inferred from the map titled Lines ofEqual Elevation of Groundwater Spring <br /> 1996, also published by the FCD&WCD, that ground water flows toward the northwest in the <br /> general area of the site, although this may be altered by changing recharge and discharge patterns. <br /> Ground water is considered to be of beneficial use and is used for domestic, industrial and <br /> commercial purposes. <br /> 3.0. SCOPE OF WORK <br /> AGE proposes to collect soil and ground water samples to determine if petroleum <br /> hydrocarbon-impacted soil and/or ground water is present beneath the site. The preliminary site <br /> assessment will include the following tasks: <br /> • Permitting and pre-field work activities; <br /> • Soil and grab ground water sample collection and analysis; <br /> • Report preparation <br /> The preliminary site assessment tasks are discussed below. <br /> 3.1. PRE-FIELD WORK TASKS <br /> A health and safety plan will be prepared in accordance with Occupational Safety and Health <br /> Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational Safety <br /> and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, 1985). <br /> Prior to mobilization,the area of excavation will be clearly marked and a utility clearance obtained <br /> through Underground Service Alert. <br /> Advanced Geo Environmental,Inc. <br />