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Bob Liddle -6- December 2, 1981 <br />12) The Roaring Fork monitoring wells within the Ioadout area were also <br />not sampled and water levels were not taken after the original testing. Since <br />changes in the quality and quantity of water is a sensitive issue in this area <br />(Prime Farmland - Alluvial Valley Floor), adequate monitoring of seasonal <br />fluctuation in water quality and quantity, and of the effects the Ioadout has on <br />hydrologic balance is critical in the formulation of findings by the Division. <br />The ground water monitoring section should include monitoring of the three wells <br />agreed upon in the 1980 meetings and in the approved interim permit amendment. <br />In addition, a new monitoring well should be installed downgradient of the conveyor <br />washdown ponds to monitor the containment of these Lined ponds and to provide an <br />early warning system for the mitigation of impacts to alluvial ground water <br />quality should the linings`fail. <br />These ponds are going to receive surfactants used in spraying the coal, coal fines <br />and possibly antifreeze agents. The water quality analyses of ground water from <br />this well should include the analysis of all required parameters on Attachment B <br />and for any surfactant or antifreeze agent used at the Ioadout. <br />If you or any representative of Snowmass Coal Company have any questions, <br />please feel Free to contact me. <br />/mt <br />cc: Richard Stenzle, State Engineer's Office <br />Fred Banta <br />Jim Hent <br />