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PUBLIC HEALTH SERVICS 'O p4UIy <br /> SAN JOAQUIN COUNTY 0` <br /> ENVIRONMENTAL HEALTH DIVISION T_ <br /> Karen Furst, M.D., M.P.H., Health Officer r P <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 fl a <br /> 209/468-3420 <br /> JUL 0 7 1ggg <br /> RICHARD FISH WL SIMMONS <br /> DEL MONTE FOODS C/O SIDNEY RUDY ESQ <br /> PO BOX 9004 PARMACEAST <br /> WALNUT CREEK CA 94598-0904 333 MARKET <br /> SAN FRANCISCO CA 94105 <br /> RE: COMPLIANCE AND SITE CHARACTERIZATION SITE CODE:2498 <br /> DEL MONTE/DISCO SITE <br /> 110 FILBERT STREET <br /> STOCKTON CA <br /> This correspondence serves two purposes, the issuance of a final directive to further characterize <br /> the site referenced above, and summarizing the outcome of our meeting with representatives from <br /> Del Monte, and the Central Valley Regional Water Quality Control Board (RWQCB) at <br /> PHS/EHD offices on July I, 1999. San Joaquin County Public Health Services Environmental <br /> Health Division (PHS/EHD) provides the following comments and directives. <br /> A laterally and vertically extensive soil and groundwater plume has been documented at the <br /> above referenced site. Beginning in 1995 reported significant changes in groundwater flow <br /> dynamics have been observed as a 180-degree shift in shallow groundwater flow direction. At <br /> that time (1995)the contaminant distribution in the subsurface was undefined. Since that time the <br /> responsible parties have failed to implement any scope of work to further characterize this plume <br /> although workplans have been approved by PHS/EHD. <br /> PHS/EHD is aware that Del Monte and PARMACEAST are in litigation over the Underground <br /> Storage Tank issues at this site. In order to protect beneficial use groundwater, compliance with <br /> regulatory agency directives including site characterization and remediation must continue in a <br /> timely manner regardless of civil litigation. <br /> PHS/EHD staff has discussed the requirement for further site investigation and remediation at this <br /> site with the State Water Resources Control Board Cleanup Fund (USTCF) staff. Health and <br /> Safety Code Section 25299.37 (b)(c)(6) requires PHS/EHD work with the responsible party and <br /> the USTCF staff to seek pre-approval of corrective action costs. On June 2, 1999, PHS/EHD <br /> staff was assured by USTCF staff that Del Monte had agreed to submit a workplan that included <br /> 2 cone penetrometer test boreholes, 2 to 3 monitoring wells (installed in the current downgradient <br /> direction) and air sparge and vapor extraction wells (installation appropriate for evaluating these <br /> remedial alternatives given current site conditions). <br /> In a telephone conversation with a Del Monte representative on June 25, 1999, PHS/EHD staff <br /> was informed that a work plan for the above outlined work may not be submitted. Considerable <br /> time was spent in reaching an agreement for the next phase of work for this site by PHS/EHD <br /> 1 <br /> A Division or San Joaquin Count\ Health Care Services <br />