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CONCLUSIONS <br /> Based on the method and assumptions described, the result of the nitrate loading <br /> estimate indicates that the proposed development on the Site should not cause a <br /> buildup of nitrates in the aquifer above 10 mg/L-N. <br /> The depth of ground water based on recent aquifer levels is estimated to be 57 to 64 <br /> feet below ground surface. The ground-water flow direction is to the north-northwest at <br /> a rate of approximately 10 to 11 feet per mile. <br /> No water sample was collected as part of this investigation; no wells are currently <br /> located on the Site. Five wells located within approximately one mile of the Site have <br /> exhibited elevated levels of nitrate or DBCP, according to information on file at the San <br /> Joaquin County Environmental Health Department. <br /> Because of the favorable result of the nitrate loading calculation, no nitrate mitigation is <br /> recommended at this time. <br /> LOGE 1844 Page 9 <br />