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I; <br /> u <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVERONMENTAL HEALTH DIVISION I 'd <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer •' <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton! CA 95201-0388 <br /> (209) 468-3420ID <br /> - MAR 0 7 1:994 <br /> TRACY PUBLIC SCHOOLS s <br /> 315 E 11 ST <br /> TRACY CA 95376 <br /> RE: CLOVER MIDDLE SCHOOL SITE CODE: 2227 <br /> 51 BEVERLY PL <br /> TRACY <br /> San Joaquin county Public Health Services, Environmental Health Division <br /> (PHS/EHD) has recently reviewed the analytical resultal!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 9/5/85. <br /> The presence of contaminants at your facility exceed the allowable limits of <br /> leaching potential as recommended by the LUFT Manual 11; 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 or and <br /> g / <br /> groundwater problem. <br /> i <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 hasllbeen placed on the list <br /> of contaminated sites in San Joaquin County which.`:.Iis maintained by PHS/EHD. <br /> I <br /> PHS/EHD has been designated by the State of Californial,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 systemllare, .3for example, depth to <br /> groundwater, proximity to a drinking water sourceh(municipal or domestic <br /> E 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,) 468-3450. <br /> If your tank removal was recent and you are not planning any remedial <br /> activities within 90 days, the tank excavation shpuld be closed. It has been <br /> our experience that open tank excavations allow for rapid downward migration <br /> l 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 PHSJEHD corrective action directive land in order to receive , <br /> i <br /> li <br />.• a ��:.,L a.. ..P C.... l........:.. r'......r.. u .. i. <br />