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IU <br />J. -H.. KLEINFELDER & ASSOCIATES File No. S-2578-1 <br />October 12, 1983 <br />Page Two <br />The groundwater table appears to have dropped over the past few years. <br />During the 1970's, groundwater measurements were in the range of 50 to 70 feet <br />below the ground surface. Recent test drilling and information compiled by the <br />County, indicate that the groundwater table is now in the range of 75 to 90 feet <br />below the existing ground surface. Fluctuations •in the groundwater should be <br />anticipated, however, it is unlikely that the groundwater table will ever rise <br />to atj)ve 50 feet. <br />In summary, from a geotechnical standpoint, it is our professional opinion <br />that the Austin Road site is suitable for use as a solid waste disposal faci- <br />lity. The two main reasons are that the majority of underlying soils are rela- <br />tively impermeable and the groundwater table is at sufficient depth to minimizt; <br />contamination by leachate. <br />We trust that this letter summarizes our recent discussions with your office <br />and provides the information requested. If you have any questions or need addi- <br />tional information, please contact us. <br />U <br />Respectf ully submitted, <br />Kleinfelder i Associates <br />Ron Heinzen, C. E. <br />