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ENVIRONMENTAL HEALTH DEPARTMENT <br /> OPQU'NC <br /> s? 0 <br /> SAN JOAQUIN COUNTY <br /> 2Program Coordinators <br /> c % Donna K. Heran, R.E.H.S. <br /> �;< Director 304 East Weber Avenue,Third Floor Carl sorgman,R.E.H.S. <br /> Laurie A. Cotulla,R.E.H.S. Stockton,California 9$202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> Assistant Director Telephone: (209)468-3420 Margaret Lagorio, R.E.H.S. <br /> ��Foa Robert McClellon, R.E.H.S. <br /> Fax: (209)464-0138 Jeff Carruesco, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Kasey Foley, R.E.H.S. <br /> SCOTT ANDERSON APR 3 O 2007 <br /> MANTECA UNIFIED SCHOOL DISTRICT <br /> PO BOX 32 <br /> MANTECA CA 95336 <br /> RE: Manteca USD Grounds/Shop SITE CODE: 508217 <br /> 660 Mikesell Ave. <br /> Manteca CA 95336 <br /> In correspondence dated August 14, 2001, San Joaquin County Environmental Health Department <br /> (SJC/EHD) notified you that Work Plan Subsurface Soil and Groundwater Investigation dated <br /> July 26, 2001, submitted on your behalf by M. J. Kloberdanz&Associates (MJK)was approved for <br /> implementation. However, with the exception of the recently received Sensitive Receptor Survey, <br /> the work was never completed. <br /> SJC/EHD has discussed the history and current status of this site with representatives of the <br /> Regional Water Quality Control Board, Central Valley Region (CVRWQCB). In December 2000 <br /> three direct push soil borings were advanced onsite to collect soil and grab groundwater samples in <br /> the area of a former diesel underground storage tank (UST)and associated dispenser area. <br /> Analytical results from samples collected were positive for total petroleum hydrocarbons as diesel. <br /> In one boring, 8-3, the concentrations of contaminant increased with depth. The CVRWQCB has <br /> stated that another scope of work must be completed that would include collection and analysis of <br /> additional soil and groundwater samples so that contaminant concentrations can be compared with <br /> the previous samples to determine if there is a declining trend. <br /> SJC/EHD directs the approved July 26, 2001 work plan be implemented with the following <br /> modifications: <br /> 1. The number of proposed geoprobe borings may be reduced to three, each to be located <br /> within five feet of the previously installed borings. <br /> 2. If soil samples are positive for total petroleum hydrocarbons as diesel the sample with the <br /> highest concentration, and all water samples, must be analyzed for polynuclear aromatics. <br /> Please proceed with submittal of a San Joaquin County Well Permit Application, required $89.00 <br /> permit fee and $285.00 permit inspection fee, and with scheduling the approved work. SJC/EHD <br /> recommends that Manteca USD apply to the State Water Resources Control Board Cleanup Fund, <br /> which is a program available to qualified sites for reimbursement of costs from contaminated UST <br /> site investigations. If you have any questions please call Lori Duncan at (209)468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Margare agorio, REHS <br /> LOP/Site Mitigation Unit IV Program Coordinator, Unit IV <br /> cc: James Barton, PG, CVRWQCB <br /> Mike Klnherdanz MJK <br />