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Y <br /> PUBLIC �4EALTH SERV-,kr3 �A <br /> SAN.JOAQUIN COUNTY s: <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> (��pR <br /> 445 N. San Joaquin Street a P.O. Box 388 a Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> MAR17',1994 <br /> ST MARY'S HIGH SCHOOL <br /> P 0 BOX 7247 <br /> STOCKTON CA 95207 <br /> Ik SITE CODE: 1089 <br /> RE: 5t Mary's High School <br /> 5648 N. E1 Dorado ' <br /> Stockton, CA <br /> San Joaquin County PubliclHeal'th 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(B) that were/was <br /> removed from this site inr:'February 1985. <br /> The presence of contaminants''.at your facility exceedtheallowable limits of <br /> E leaching potential as recommended by the LUFT Manual'. The former underground <br /> storage tank(s) (UST) cannot''be recommended for final closure without, further <br /> investigation to determin4"th4,full extent of the soil and/or groundwater <br /> problem. <br /> PHS/EFID is providing youoti.£ication 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 hazardousiwasie 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 jSan,Joaquin Countywhich 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'ltxnatithorized release. <br /> JE _,. E+ <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 f <br /> o soil`�'contamination, <br /> and the site's clean up funding <br /> availability. i <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 /> ; t <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:ihas been <br /> our experience that open ,;tankexcavations 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 /> E compacting the tank excavation with clean fill soil. <br /> Before receiving a PHS/EHD corrective action directive and in order to receive <br /> re Services I)i4mon of-San Joaquin Cuuntr Health Ca <br />