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• i <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION ` <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer p <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> �3 <br /> FEB 071995 D <br /> WILLIAM CHASE ROBERT CHASE F B - 81955 l j <br /> AUTO INVESTMENT COMPANY & ASSOC AUTO INVESTMENT C <br /> HARTMANN & SETNESS C/O RICHARD KONI V <br /> 3203 W MARCH LN PROFESSIONAL LA <br /> STOCKTON CA 95219 6702 INGLEWOOD DR <br /> STOCKTON CA 95207 <br /> RE: 424 Van Buren St SITE CODE: 2511 <br /> 423 Madison St SITE CODE: 1163457 <br /> San Joaquin County Public Health Services Environmental Health Division (PHS/EHD) has <br /> reviewed the January 12, 1994 quarterly monitoring report submitted by RESNA for the above <br /> referenced sites. <br /> • The report describes sampling which was conducted on December 20, 1994. The report fails to <br /> describe the next scope of work. The report does not draw any conclusions based upon data <br /> which has been gathered to date. The report does not mention soil contamination which is still <br /> present at both sites. <br /> At this time the plume at the Van Buren Street site has not been adequately characterized. The <br /> plume at the Madison Street site has not been characterized to the north east, downgradient of <br /> the former tank 2 location in the sidewalk along Madison Street. The plume has not been <br /> characterized to the south, downgradient of the former Tank 8 and Tank 1 locations which are <br /> behind the building. <br /> The plume at the Van Buren Street site has not been adequately characterized in any direction <br /> by wells installed by Chase Chevrolet. There are two wells in the center of Van Buren Street <br /> which were installed by Crystal Creamery. These wells have extremely low levels of <br /> contamination as opposed to the high levels of contamination in Chase wells 6 and 7. This <br /> indicates that the Chase and the Crystal plumes have not become commingled at this time in this <br /> location. <br /> As soon as the plume at the Van Buren Street site becomes defined, implementation of a <br /> groundwater treatment system will be required. When this occurs a meeting will be scheduled <br /> by PHS/EHD requesting the presence of all representatives of the Chase Chevrolet sites and the <br /> Crystal Creamery site to discuss a coordinated cleanup effort. <br /> • <br /> Exhibit 1 — <br /> A Uisision of San Joaquin County Health Care Serviced <br />