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offgf <br /> _ m e <br /> Project No. 310-x1.01 <br /> March 20, 1990 <br /> { Page 3 <br /> CONCLUSIONS <br /> Analytical results indicate Lhat low levels of petroleum <br /> hydrocarbons remain in the soil adjacent to the excavation. <br /> A work pian should be prepared for submittal to the Public <br /> Health Services of San Joaquin County outlining a site <br /> assessment plan to determine the lateral and vertical <br /> extent of hydrocarbons in the soil and whether groundwater <br /> s has been impacted. <br /> t <br /> 4 Based on the analytical, results described <br /> "Underground storage Tank Unauthorized Relejously, an <br /> ase <br /> (Leak)/Contamination. Site Report'r was issued on <br /> { January 30, 1990 by the Public Health Services of San <br /> Joaquin County. <br /> If you have any questions concern <br /> report, ing the content of this <br /> p please call <br /> Sincerely, <br /> PACIFIC EN'V'IRONMENTAL GROUP, INC. <br /> Kathryn A. <br /> i Quigley <br /> Staff Engineer <br /> Robert K. Wenzlau, P.E. <br /> { Senior Engineer <br /> E t! <br /> ' cc: Laurie �otiilla, 'Public Health Services of <br /> San Joaquin County <br /> Tom Peltier, Central. Valley Regional <br /> ' Control Board naWater <br /> Quality <br /> Enclosures <br /> Li <br />