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PU�LIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION m: :t <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street • P.O. Pox 388 • Stockton, CA 95201-0388 �q�ikoa��p <br /> (209) 468-3420 <br /> ATTN R B MORRISON IWAR D 81994 <br /> SANTA FE RAILROAD <br /> 5770 S EASTERN AVE i <br /> LOS ANGELES CA 90040 <br /> RE: FORMM UNDERGROUND STORAGE TANKS SITE CODE: 2283 <br /> 748 S UNION i <br /> STOCKTON CA <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 July 29, 1986. i <br /> The presence;lof 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. f <br /> PHS/ZED has been designated by the State of California Water Resources Control.- <br /> Board (SWRCS) 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. i <br /> Please be advised that PHS/EHD will .be utilizing the SWRCB "Prioritizati n <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 r <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) 468-3450. <br /> If your tank-lremoval 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 withpea gravel and/or 4 <br /> compacting the tank excavation with clean fill sail. <br /> A Division of San Joaquin County Health Care Services <br />