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s'" e <br /> _y a tieFoods, <br /> Nestle Foods Corp., 230 Industrial Avenue, Ripon, CA 95366 (209) 599-4161 <br /> April 06 , 1988 � <br /> APR 2 3 i��ij;3 <br /> Mr. Clarence Smit <br /> City Administrator �� <br /> City of Ripon F. <br /> 311 W. First Street <br /> Ripon, CA 95366 <br /> Dear Mr. Smit: <br /> As you are aware from our recent discussions , we need to install, <br /> and have access to three additional groundwater monitoring wells <br /> on the city' s property in Ripon, CA. These wells are required by <br /> the Central Valley Regional Water Quality Control Board (CVRWQCB) <br /> as`' part of an ongoing investigation to evaluate the extent of <br /> organic chemical migration in the aquifers in the area. <br /> Layne-Environmental Services, has been retained by Nestle Foods <br /> to drill these monitoring wells, and they are being provided with <br /> engineering and hydrogeological expertise by the consulting firm <br /> of Camp Dresser and McKee. Both of these firms carry all appro- <br /> priate insurance coverage for this type of work. <br /> These monitoring wells will be located in Ripon, CA, in the alley <br /> which runs between N. Walnut and N. Stockton Streets near the <br /> entry into N. Stockton St.., approximately 120 .feet North of Main <br /> Street. They will be drilled to depths of 240 feet, 120 feet, <br /> and 40 feet respectively, and will be finished off flush to the <br /> the ground. Each well will be locked to prevent unauthorized <br /> access. Water samples collected from these wells will be <br /> analyzed by EPA methods with specific emphasis on determination <br /> of concentration of: <br /> trichloroethylene, 1,1,1-trichloroethane, trans-1, 2-dichlo- <br /> roethylene, and vinyl chloride. In addition, water level <br /> measurement will also be taken. <br /> Copies of all well drilling/logging data and analytical results <br /> that are submitted to the CVRWQCB will also be forwarded to you <br /> upon request. <br /> Nestle Foods agrees to indemnify the City of Ripon of any loss or <br /> expense arising out of drilling, operating, and maintaining of <br /> these monitoring wells on the City' s property, as contemplated by <br /> this letter. <br /> Please aknowledge your approval for Layne-Environmental/CDM to <br /> install the above-referenced monitoring wells on' your property <br /> by signing on the next page and returning a copy of this letter <br />