Agenda - Council - 11/13/1984 - Laserfiche WebLink

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Waste I~anagement oi Wisconsin, Inc. 3333 North Mayta~r Rc~a0. E',dwaukee. W~sconsin 53222 Suite 30[,. 414/47&.885B October 16, 1984 PLr. Robert M. Hutchison Director of Environmental Services County of Anoka Courthouse, 4th Floor Anoka, MN 55303 RE: Groundwater Znvestigation Anoka Municipal Sanitary Landfill Dear Mr. Butchison: It was a pleasure meeting with you on October 9, 1984, and discussing our proposed groundwater investigation for the subject facility. The purpose of this letter is to identify the anticipated schedule for this work and outline the major activities that will be performed. As you know we have retained Foth & Van Dyke and Associates and Hickok & Associates to perform and carry out this investigation. After reviewing your letter of August 21, 1984, and discussin9 these matters with our consultants, we determined that it would be best if all available geologic and hydrogeologic information pertaining to the site was gathered into one report. This has been done by Hickok & Associates and various maps summarizing that data were presented during our October 9th meeting. Based on our review of that existing data and our discussion, the resistivity survey appears to be a reasonable approach to identifying the extent of contamination and the location of additional monitoring wells. Based on our discussion and your concurrence, Mickok & Associates will proceed to perform the resistivity survey on October 15 through 17, 1984. You are invited and welcome to oversee that survey during its field implementation. The above summary report, the results of the resistivity survey, and a drawing with the locations of any additional proposed groundwater monitoring wells will be submitted to you on or about November 19, 19B4. This will allow you time to forward our report to the County's consultant and conm%issioners in anticipation of our presentation on November 29, 1984. The purpose of this first submittal is to provide a common data base for all those involved and the identification, through resistivity techniques, for the location of any additional proposed groundwater monitoring wells. The County's review and approval of this report and suggested well locations will be necessary so that we can proceed to the second step which will involve the placement, construction, and monitoring of the additional wells. With approval in late November or early December, the additional monitoring wells can be installed by approximately January l, 1985. It is expected that approximately one or two months will be required to stabilize the wells and approximately three months will be required to