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PUBLIC 1EALTH SER) , CES <br /> SAN JOAQUTN COUNTY <br /> sa <br /> ENVIRONMENTAL.HEALTH DIVISION <br /> Ernest 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 c9�ixo'a��r <br /> (209) 468-3420 <br /> R INVESTMENTS �� / 3YIAR 0 U 199 <br /> SAN FRANCISCO CA %41QZ <br /> RE: FORMER UNDERGROUND STORAGE, TANKS - LJ a. SITE CODE: 1274 <br /> 100 S VENTURA AVE <br /> STOCKTON CA 95206 <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 October 15, 1987. <br /> The presence of contaminants at your facility exceed the allowable limits of <br /> leaching potential as recommended by the LUFT Manual 1 The former <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 <br /> disclosure of a hazardous waste discharge pursuant to Section 25180:7 of the <br /> Health and Safety Code has been made, and the site has� been placed an the list <br /> of contaminated sites in San Joaquin County which is maintained by PHS/EHD. <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 <br /> action in response to the unauthorized release. <br /> Please be advised that PHS/EHD .will be utilizing the SWRCB "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' '; 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) 468-3450. <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 rapid 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 /> Before receiving a PHS/EHD corrective action' directive- and in order to receive <br /> A Division of San Joaquin County Health Care Services <br />