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k" KLEINEELDER 1 INTRODUCTION California Clay Products operated a brick factory at a site in Stockton on El Dorado Street. Portions of the property were excavated for clay. The clay pit later was utilized as an inert waste landfill by California Clay Products. The property was split into two parcels in 1979 with portions of the disposal area residing on both properties. Cove Contractors, owners of the southern parcel, have been working with the regulatory agencies to formulate a closure plan for the on site landfill. Kleinfelder is the environmental consultant for Cove Contractors and has prepared a closure plan for the on site landfill that has received tentative acceptance from the regulatory agencies. Martin Metal Finishing is the owner of the northern parcel although due to financial issues, other parties now have a legal interest in the property and will be involved in future activities on the property such as closure of the on-site inert waste disposal area. It became apparent to the parties involved with the Martin Metal property that they may benefit from the permitting work pioneered by Cove Contractors and could possibly use the same approach to closure used by Cove Contractors. Kleinfelder was asked to prepare a scope of work for addressing closure of the inert waste disposal area on the Martin Metal property and to start the closure process with the regulatory agencies. An initial meeting was held on March 15, 1996 with the Central Valle Regional Water Valley g Quality Control Board (CVRWQCB) and San Joaquin County Environmental Health (SJCEH). The background of the site was discussed as was the approach to closure. The approach to closure consists of four elements: r 1. Develop a workplan for submission to the regulatory agencies describing the approach to closure and the field investigation to conduct a visual characterization of the waste as well as to estimate the lateral and vertical extent of the waste. 2. Conduct the field investigation. 3. Develop a closure plan for the disposal area using data from the field investigation and also propose to use the same final cap as was proposed for the Cove Contractors site. ' 4. Close the disposal area according to the closure plan. 23-4824150-A00/CR96S052 Page 1 of 7 June 7, 1996 Copyright 1996 Kleinfelder,Inc.