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i <br /> J <br /> PUBLIC'HEALT'H SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION R :; <br /> Ernest = <br /> M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street • P.O. Box 388 s Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> I <br /> TOM WATSON <br /> i <br /> WESTERN BUILDING MATERIALS - MARS 0 8 1994 i <br /> 733 S VAN BUREN ST <br /> STOCKTON CA 95203 <br /> RE: FORMER UNDERGROUND STORAGE TANKS 'y y SITE CODE: 1273 <br /> 733 S VAN BUREN ST !.? <br /> STOCKTON CA 95203 <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has recently reviewed the analytical results of the soil and/or <br /> water samples taken from beneath the underground storage tank(s) that were/was <br /> removed from this site on June 9, 1992. <br /> The presence of contaminants at your facility exceed the allowable limits of f <br /> leaching potential as recommended by the LOFT Manual ''' The former f <br /> underground storage tank(s) (UST) cannot be recommended for final closure <br /> without further investigation to determine the full extent of the soil and/or <br /> groundwater problem. <br /> PHS/EHD is providing you notification that an "Underground Storage Tank <br /> Unauthorized Release (Leak)/Contaminated Site Report" has been filed pursuant <br /> to Section 25295 of the Health and Safety Code (HSC) . - The appropriate C <br /> disclosure of a hazardous waste discharge pursuant to Section 25180.7 of the r <br /> Health and Safety Code has been made, and the site has been placed on the list ' <br /> of contaminated sites in San Joaquin County which is maintained by PHS/EHD. l <br /> PHS/EHD has been designated by the State of California Water Resources Control <br /> Board (SWRCB) as the local agency overseeing the investigation of leaking <br /> USTs. Pursuant to Section 25299.37 (HSC) , "dischargers" must take corrective k <br /> action in response to the unauthorized release. I: <br /> r <br /> Please be advised that PHS/EHD will be utilizing the SWRCS "Prioritization <br /> System for Leaking Underground Storage Tank Sites" ranking list in order to <br /> prioritize all the contaminated sites. The "Prioritization System" has <br /> established criteria to distinguish between High Priority Sites, Moderate <br /> Priority Sites, and Low Priority Sites. - Site specific .conditions which <br /> influence the placement within the ranking system are, for example, depth to <br /> groundwater, proximity to a drinking water source (municipal or domestic <br /> well) , the extent of soil contamination,, and the site's clean up funding <br /> availability. <br /> Based upon the priority ranking, you will be directed to begin the required <br /> investigation. However, given the conditions for the prioritization'; wherever <br /> possible PHS/EHD will work with you to coincide enforcement directives in <br /> conjunction with secured clean up funding. If you have' any questions, contact <br /> the PHS/EHD Site Mitigation Unit for further information at (209) 468-3458. <br /> If your tank removal was recent and you are not planning any remedial <br /> activities within 90 days, the tank excavation should be closed. It has been <br /> our experience that open tank excavations allow for rap d. downward migration <br /> of contaminants. Contact the appropriate building department for specific <br /> requirements that may be necessary prior to filling with pea gravel and/or <br /> compacting the tank excavation with clean fill soil. <br /> A Division or San Joaquin County Health Care Service+ <br />