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<br />e <br /> <br />e <br /> <br />e <br /> <br /> <br />Sherburne County <br />ZONING <br />ADMINISTRA TION <br /> <br />September 28, 1993 <br /> <br />741-001 <br /> <br />Ms. Amy Radiaris <br />Solid Waste Section <br />Groundwater and Solid Waste Division <br />Minnesota Pollution Control Agency <br />520 Lafayette Road <br />St. Paul, MN 55155 <br /> <br />RE: Elk River Landfill Remedial Investigation <br /> <br />Dear Ms. Radiaris: <br /> <br />Sherburne County (County) and the City of Elk River (City) are presenting the following <br />concerns to the Minnesota Pollution Control Agency (MPCA) regarding remedial investigation <br />of the Elk River Landfill (ERL). The County and City are working together to address <br />environmental issues at ERL in an attempt to provide a consistent approach to local/county <br />regulation of ERL. This approach is being taken to expedite the remediation process, reduce <br />duplication of effort, and to minimize the economic burden on the landfill. <br /> <br />The following comments result from independent reviews of the Corrective Action Investigation <br />Report (CAIR) submitted to the MPCA by Camp Dresser and McKee (CDM), February 1993, <br />on behalf of the Elk River Landfill (ERL). The independent reviews were completed by <br />EnecoTech Midwest, Inc. (EnecoTech), representing Sherburne County and B. A. Liesch <br />Associates, Inc. (BAL), representing the City of Elk River. These reviews have previously been <br />sent to the MPCA for use in review of the CAIR. This letter presents common concerns of both <br />the City and the County. These comments/concerns were formulated at an August 5, 1993 <br />meeting between Sherburne County and the City of Elk River, together with their respective <br />environmental consultants. <br /> <br />1. <br /> <br />A closer examination needs to be made of monitoring wells currently used to define the <br />south, west and northern extent of groundwater contamination from ERL. Monitoring <br />wells that exceeded water quality standards in relation to VOC's at respective site <br />boundaries were; P-19-A, P-43-B, 24-0WA, 18-0WA, 15-0WA, 26-0WA, P-17-C, 15- <br />OW A, 32-0W A, and 33-0W A. A careful examination of screen placement in monitoring <br /> <br />327 King <br />Elk River, MN 55330 <br />1-800-433-5246 0 241-2860 <br />