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PUBLI('� HEALTH SERVICES AQ� �o SAN JOAQUIN COUNTY Z ENVIRONMENTAL HEALTH DIVISION Karen Furst, M.D., M.P.H., Health Officer .. Iii F d'a'd': 304 East Weber Avenue, Third Floor • Stockton, CA 95202 209/468-3420 RICHARD FISH JUL 12 2001 DEL MONTE FOODS P O BOX 9004 WALNUT CREEK CA 94598 Re: Del Monte/Disco Site 110 Filbert Stockton, CA 95202 A meeting was held at San Joaquin County Public Health Services, Environmental Health Division(PHS/EHD) on July 11, 2001. In attendance at the meeting were you and Steve Erickson representing Del Monte Foods,Keith Sheets from CH2MHILL, and Dot Lofstrom from PHS/EHD. The purpose of the meeting was to discuss the ongoing groundwater investigation at 110 Filbert Street. The meeting began with a question from Dot Lofstrom regarding the future remedial plans for this site. In the final section of a CH2MHILL June 2000 report, a recommendation was made to pursue interim remediation followed by a final remedial action plan. Keith Sheets and Steve Erickson explained that subsequent to issuing that report,the decision was made to implement a final remedial action plan based on the complete investigation data set, and to omit the interim remediation plan entirely. Dot Lofstrom agreed to this strategy. The next subject that was discussed was the sampling decision tree, which is referred to several times in various CH2MHILL documents written regarding this site. Dot Lofstrom agreed to the sampling strategy as presented in the decision tree, effective immediately. Therefore,the next quarterly monitoring event, scheduled for July 13,2001, will consist of collecting depth to groundwater measurements only. The last subject that was discussed was the investigation scheduled for early August 2001. Although fieldwork was originally scheduled for July 23, 2001, it has been rescheduled for August 6,2001, due to scheduling conflicts with the drilling company. There was a general discussion on the need for additional monitoring wells to be placed on Lafayette Street in the vicinity of borings CPT-19 and—20. These potential monitoring wells are outside the scope of the current approved work plan. It was agreed to postpone that decision until after receipt of the analytical results from the August investigation. Additional discussion ensued over notification requirements for drilling and investigative activities. Dot Lofstrom explained that public notification is not required by State of California regulations until a corrective action plan is formally submitted to the County. Steve Erickson stated his concerns regarding the disruption of the nearby school during the investigation, and suggested that drilling might need to be completed during the evenings or weekends. Keith Sheets stated that he would contact the school and find out if it is a year-round school and if classes will be held during the investigation. Dot Lofstrom suggested to Mr. Sheets that he might approach the school principle and explain the significance A Division of San Joaquin County Health Care Services