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ECOLOGIC <br /> Consulting Engineers <br /> November 11, 2004 Principe/s <br /> David R.Bennett <br /> Charles G.Bunker <br /> Robert W.Ennenck <br /> Frederic J.Fahlen <br /> Jeffrey R. Hauser <br /> Richard E.Stowell <br /> Gerry O. LaBudde <br /> Mr.Timothy O'Brien KELG04-001 <br /> Central Valley Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827 <br /> RE. Kellogg Garden Products, Groundwater Monitoring Well Installation Workplan <br /> Mr. O'Brien: <br /> On behalf of Kellogg Garden Products (Kellogg), we are submitting the enclosed Groundwater <br /> Monitoring Well Installation Workplan as required by your September 9, 2004 letter. Based on <br /> our evaluation of historic data we have determined that three of the existing wells are inadequate <br /> for consistently monitoring groundwater quality and elevations at the Kellogg facility. This is <br /> due in part to the fact that wells MW-I through MW-3 are seasonally reported as "dry" and/or as <br /> not yielding enough water for required laboratory analysis. Therefore wells MW-I through <br /> MW-3 will be converted to piezometers, for the purpose of monitoring groundwater elevations <br /> only, when water is present. Three new wells will be drilled to replace groundwater quality <br /> monitoring of the converted piezometers. We believe that this approach will provide both: 1) <br /> additional groundwater elevation data for further assessment of the complex and poorly <br /> understood hydrogeology underlying the facility; and, 2) wells for monitoring groundwater <br /> quality up- and down-gradient of the contact waste water pond (and uncovered, product contact <br /> area) for assessing potential impacts associated with facility operations. <br /> Please contact us if you have any questions regarding this report. <br /> Sincerely, <br /> ECOLOGIC Engi <br /> t�o.csa sz n:'l * ►_- Mi.76M <br /> ,t <br /> Nil- <br /> Neal Colwell, `c CA t\� tI�U Thomas Bult CA1 <br /> RCE #59437 -'' R.G. #7653 /Qy <br /> Attachment—Groundwater Monitoring Well Installation Workplan <br /> cc: Chris Littlefield—Kellogg Garden Products <br /> 777 North Pershing Avenue • Suite 2B • Stockton, California 95203 • Phone (209) 242-0292 • Fax (209) 461-6444 <br />