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KLEINFELDER PROPOSED SOIL ASSESSMENT ABOVEGROUND FUEL OIL STORAGE TANKS SAN JOAQUIN COUNTY GENERAL HOSPITAL FRENCH CAMP, CALIFORNIA September 10, 1993 24-YP2512 INTRODUCTION Kleinfelder is pleased to present this proposal to San Joaquin County. This proposal was developed after discussions with San Joaquin County using Kleinfelder's current understanding of site conditions and is a preliminary understanding of San Joaquin County's desires and regulatory agencies' requirements. We prepared this proposal based on information usually requested in a work plan by the San Joaquin County Public Health Services, Environmental Health Division (SJCEHD). Kleinfelder is committed to providing a high level of service to its clients, commensurate with their wants and needs. If a portion of this proposal does not meet the needs of San Joaquin County or if those needs have changed, Kleinfelder stands ready to consider- appropriate modifications, subject to the standards of care to which we adhere as professionals. Modifications such as changes in scope, methodology, scheduling, and contract terms and conditions may result in changes to the risks assumed by San Joaquin County, as well as adjustments to our fees. We look forward to the opportunity to serve you. The site is located at 500 Hospital Road in French Camp, California (Plate 1). Three approximately 12,000-gallon aboveground fuel oil storage tanks previously existed on this site (Plate 2). On June 25, 1993, Kleinfelder collected three soil samples from the west end of the three aboveground fuel oil storage tanks. Oil staining and pools were observed on the surface of the soil. At the southern and middle tanks, soil discoloration and organic vapor readings appeared to decrease by a depth of 4 feet. At the northern tank, soil discoloration and organic vapor I readings were observed at a depth of 4.5 feet. The attached plate references the tank and sample locations, and the sample depths and organic vapor readings. The tanks were removed in July 1993. SCOPE OF SERVICES Task 1 - Work Plan and Permit Submittal It has been Kleinfelder's experience that this proposal contains sufficient detail and information to be submitted to the San Joaquin County Public Health Services Environmental Health Division (SJCEHD) to review and approve a boring permit. There will not be an additional charge for work plan preparation. Kleinfelder will prepare a boring permit application and a health and safety plan for submittal along with this proposal to Public Health Services. The permit must be approved prior to drilling the borings. 24-YP2512/JAS-273{1993} Page 1 of 4 September 10, 1993 Copyright 1993 Kleinfelder, Inc.