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I Hakanson Anderson Associates, Inc. <br />I engineers and surveyors <br /> 222 Monroe Street <br /> ,4noka, Minnesota 55303 612/427-5860 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />January 8, 1985 <br /> <br />Mr. Lloyd Schnelle <br />City Administrator <br />City of Ramsey <br />15153 Nowthen Boulevard N.W. <br />Ramsey, MN 55303 <br /> <br />Re: <br /> <br />Laboratory Analysis Results <br />Ramsey Landfill <br /> <br />Dear Lloyd: <br /> <br />As requested, I have reviewed the water monitoring results dated <br />November, 1984 for the Ramsey Landfill. <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Well No. 8 continued to show signs of contamination. Chlorides were <br />up from 250 parts per million (ppm) to 325 ppm and also the specific <br />conductance was up. EPA's Recommended Primary Drinking Water Standard <br />for chlorides is 250 ppm. <br /> <br />In addition to contamination in Well No. 8, the nitrates in Wells iA, <br />2A, 3, 4, 6A and 7 were substantially higher than the July results. <br />The nitrates in Wells lA and 2A were at 13.4 ppm and the nitrates in <br />Well 3 were at 18.4 ppm. The EPA's drinking water standard for <br />nitrates is 10 ppm. <br /> <br />As stated in my review of the July, 1984 lab results, Well No. 8 is <br />contaminated and is being monitored by MPCA and the Anoka County <br />Environmental Services for migration of the contamination. The cause <br />of the increased nitrates in Wells lA, 2A, 3, 4, 6A and 7 is difficult <br />to determine. Due to insufficient monitoring wells and groundwater <br />elevation data, the direction of the groundwater flow and gradient <br />cannot be adequately determined. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />civil · municipal · planning · soils · land surveying <br /> <br /> <br />