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LW44W S4 <br /> PUBLIC-HEALTH SERViCES <br /> SAN JOAQ UIN COUNTY •- <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., KP.H., Acting Health Officer <br /> 445 N. San Joaquin Street a P.O. Box 388 •Stockton,CA 95201.0388 <br /> (209) 468-3420 <br /> MAR U Y '199' <br /> WESTERN ASPHALT SERVICES, INC <br /> 3003 FAIRRRVZN <br /> BARBASPIBLD CA 93308 <br /> L <br /> RE: WESTERN OIL A SPREADING, INC �_; SITS CODSs 1927 19256 N EM 99 <br /> LODI <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 10/22/87. <br /> L The presence of contaminants at your facility exceed �he allowable limits of <br /> leaching potential as recommended by the LUFT Manual 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/SHD 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. <br /> L PHS/SHD 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 /> L Please be advised that PHS/FSHD will be utilizing the SWRCB "Prioritization <br /> system for Leaking underground Storage Tank Sites" ranking list in order to <br /> prioritise 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/8HD 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/EMD 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 /> L 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 PIIS/8HD corrective action directive and in order to receive <br /> A DiAsion tot San Joaquin County Health Care ServKta <br />