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PUBLIC �IEALTH SERV,-CES <br /> SAN JOAQUIN COUNTY <br /> m: <br /> ENVIRONMENTAL HEALTH DIVISION 7.4 <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officero <br /> /FORM <br /> 445 N. San Joaquin Street • P.O. Box 388 0 Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> JOHN MARGOWSKI COPY <br /> WICKLAND OIL COMPANY <br /> P O BOX 13648 MAY 2 5 1994 <br /> SACRAMENTO CA 95853-4648 <br /> RE: Former Regal Station SITE CODE: 1211 <br /> 6425 Pacific Avenue <br /> Stockton CA 95207 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> has recently received and reviewed the following reports prepared by WEGE: <br /> "Update Status Report #26", dated February 10, 1994; and <br /> "Update Status Report #25", dated February 28, 1994. <br /> "Update Status Report #24", dated January 21, 1994. <br /> PHS/EHD has the following comments for your consideration. <br /> Groundwater samples were collected on December 22, 1993 and continued to evidence <br /> significant groundwater contamination. The migration off site of contaminants appears to <br /> be increasing as documented with the increased contamination detected in the off site <br /> monitoring well, MW12. PHS/EHD understands that the vapor extraction system was re- <br /> started in February 1994 and has contributed to the overall remediation of the site. <br /> However, the continued migration of groundwater contamination off site requires an <br /> evaluation and modification of the remedial system in use. <br /> PHS/EHD requested in correspondence dated February 18, 1994 that information be <br /> obtained to evaluate the effects that groundwater extraction may have on the migration <br /> of chlorinated hydrocarbon contamination. If this information has been obtained it <br /> should be included in the overall evaluation of the site remediation plan. <br /> Please contact Mary Meays, Senior REHS, at (209) 468-0337 of my staff, if you have any <br /> questions, comments, or wish to schedule a site inspection. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior REHS 'Ain . mson, RENS <br /> Site Mitigation Unit Supervisor <br /> N M\6425PACI <br /> cc: Elizabeth Thayer, CVRWQCB cc: Phillip Isorena, CVRWQCB <br /> cc: George Converse, WEGE cc: Lincoln Properties <br /> A Division of San Joaquin County Health Care Services <br />