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91/01/1994 22 27 2095622812 APACHE PLASTICS 03 PAGE 01 <br /> 1433 North Market Boulevard•Sacramento CA 95834-1943•(916)926.3300•Fax(916)926-33'11 <br /> January 25, 1999 <br /> Proposal 92098-110 021 <br /> Mr Lawrence H Beasley <br /> 2120 Ptbble Drive <br /> Alamo, California 94507 <br /> Re Proposal and Cost Estimate for Soil Assessment <br /> Dear Mr Beasley <br /> At your request EMCON has prepared this scope of work and cost estimate to drill two <br /> soil borings for providing vertical delineation of soil and groundwater impacts at the <br /> Apache Plastics Facility located at 2050 East Fremont Street in Stockton, California <br /> EMCON submitted a Case Closure Report (July 17, 1997) that included estimates of <br /> remaining petroleum hydrocarbon mass in soil and groundwater and recommended cast <br /> closure under the low risk cntena After reviewing the report the San Joaquin County <br /> Department of Public Health Services Environmental Health Mvismon (PHS/EHD) <br /> requested additional delineation of soil and groundwater impacts <br /> SCOPE OF WORK <br /> Prior to implementing field activities, EMCON will submit a workplan and obtain <br /> drilling permits from the PHS/EHD and Conduct utility clearance The scope of work <br /> consists of two soil borings with continuous soil sampling from depths of 60 feet to lU0 <br /> feet bgs to evaluate the vertical extent of soil impacts HydroPunch groundwater samples <br /> will be collected at changes in lithology to evaluate the vertical extent of groundwalur <br /> impacts At the completion of the field work and once analytical results are receivers, <br /> EMCON will prepare a report of the findings and request case closure it warranted based <br /> upon the assessment results A summary of activities to be conducted under each task is <br /> presented below <br /> Task 1 - Prefleld Activities <br /> • submit workplan and drilling permits to PHS/EHD <br /> • schedule drilling contractor and materials <br /> CP IE V►rwcii4WOPosAi APACM]not 99Usg i <br /> 92M 210021 <br />