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;u N <br /> 'ftCES <br /> HEALTH SER <br /> PUBLI., <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San;Joaquin Street a P.O. Box 388 +:Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> A . 7:1994 <br /> CURTISS PO IAC-Ch' .'TFAC-G1 G <br /> 24St3 <br /> ft-k CURTISS PONTtAC-CADXLLAC-*GMC ;r. SITE :t UiL1E`s .187T <br /> 241d TOSTE RDTRACt CA. <br /> h <br /> san 401quin Cdunty Public Rea lth: Services, Environmental Health �fivision <br /> (:pHs/1=11) has recently reviewed the a►nalyti.ca►l results of the soil .and/or <br /> water samples tin from beneath the underground storm tank(a,) that were/was <br /> removed ..from this site on .7:/31./91. <br /> a <br /> The presesxd �!f ; �ntamtinants at your facility exceed he .allowable :limits: of. <br /> leaching potentiA1 as. recommended ;by the LUFT Manual . The former <br /> underground storage tank(s). (UST) cannot be recotmended. or final aa. Cliosure„ <br /> +�rithout further :iAveStigat to determine tate full extent of the soil and/or <br /> groundwater problem. <br /> you notification that an "Underground Stara <br /> PHs j'E�f.: is providing y � a Tank g <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 Safetyg,Code has been made, and `thi site has been placed on the list <br /> of contaminated sites in San Joaquin County Grhich is maintained by PHS Eiw- <br /> PHS/EH1? has been designated by the State of California 'Water Resources Cpntrol <br /> Board (SWRGB): as the local. agency overseeing,�the investigation of leaking <br /> USTs. Pursuant to Section 25299.37 (FISC) , "dischargers" must take corrective <br /> action in response to the unauthorized release. <br /> Please be advised that PHSjsHa will be utilizing the SWAGS "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'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. f you have any questions, contact <br /> the "PHS/Elm 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 /> ,.If <br /> within90 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 receivingd,:PHSJEHD corrective action; directive and in order to receive <br /> I A:niASion'.of!sairejoaquin 0)unty Health Care:±;ervims <br />