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a <br /> PUBLIC"' <br /> HEALTH SE' RVCES euf <br /> .SAN JOA UIN COUNTY <br /> ENVIRONMENTAL HEALTH DrvisION` _ '= i <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer "`R <br /> 'r <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA_ 95201-_0388 o��fxosi�'�p <br /> (209) 458-3420 <br /> r WIAR 0 7 1994 <br /> Noak Pump <br /> 4500 East Fremont <br /> Stockton CA 95215 <br /> RE: FORMER UNDERGROUND STORAGE TANKS SITE CODE: 1571 <br /> 4500 East Fremont <br /> Stockton CA <br /> San Joaquin County Public Health Services, EnvironmentalHealthDivision <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 November 19, 1993. <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 on the list } <br /> of contaminated sites in San Joaquin County which is maintained by PHS/EHD. i <br /> 4. E <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 "Pr,ioritization <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 j <br /> well) , the extent of soil contamination, and the site's clean 'up funding k <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 . y <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 fillsoil. <br /> A Division of San Joaquin County Health'Care Services <br />