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i <br /> y <br /> PUBLIC YiEALTH SERVICES Pp ly 6 <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E.Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 9520 8o <br /> ED <br /> 209/468-3420 T <br /> I <br /> JOHN MARGOWSKI MAILED APR 181996 <br /> WICKLAND OIL COMPANY !, <br /> P O BOX 13648 <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) has <br /> recently received and reviewed the following reports prepared by WEGE: <br /> "Update Status Report #37", dated March 31, 1995; <br /> "Update Status Report #38", dated May 4, 1995; <br /> "Update Status Report #39", dated July 14, 1995; <br /> "Update Status Report #40", dated August 29, 1995; <br /> "Update.Status Report #41", dated October 24, 1995; <br /> "Update Status Report #42", dated January 11, 1996. ! <br /> PHS/EHD has '`also reviewed the WEGE correspondence dated: <br /> September 7, 1995 "Addendum to Quarterly Sampling Protocol"; <br /> January,'r12, 1996 "Removal of the Thermal Oxidation System and Start-up of Carbon <br /> Absorption System"; <br /> February 8, 1996 "Request to Place ORC Socks into MW12 to Enhance <br /> Bioremediation"; <br /> March 4, 1996 "Regenesis Information"; <br /> March 20, 1996 "Sparging and Vapor Recovery from MW2". <br /> PHS/EHD has the following comments for your consideration. <br /> i Upgradient wells, MW1, MW6, and MW9 were sampled on April 19, 1995 for solvents to <br /> 1 verify that the Lincoln Village solvent plume had not migrated to within the site's <br /> ilii investigative boundaries. Using EPA Method 8260, no contaminants were detected above the <br /> reporting limits' <br /> The vapor extraction system was shut down on June 7, 1995 due to excessive noise <br /> generating from the blower. The system was re-started on September 23, 1995 after <br /> installing new blowers. <br /> i <br /> A Division of San Joaquin County Health Care Services <br />