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<br />STATE OF COLORADO <br />Roy Romer, Gove~ <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />DAVID C. SHELTON, Director <br />DATE: November 10, 1987 <br />T0: Peter V, O'Connor <br />FROM: Cathy W. Begej~ <br />., i'ti, <br />RE: Peabody,Monitoring Modification Letter (Seneca, C-80-005; <br />Seneca II W, C-82-057; Nucla, C-81-OOA) <br />The parameter lists look excellent. Steve and John did a good job of <br />negotiating a thorough list of parameters with which to completely _ <br />characterize the water. Now we hope that they monitor with the frequency ~ ~, <br />to which they have committed and that the detection limits are below the - <br />standards. <br />There is a disclaimer preceded by an asterisk but no corresponding <br />asterisk in-the lists. To what does this refer? I will accept a single <br />analysis of lithium, cobalt, beryllium and vanadium from each aquifer. <br />Apparently barium, nickel, silver, chromium, sulfide and nitrite are also <br />new. An operator may always request a modification in the monitoring <br />plan. <br />These lists should be submitted as separate technical revisions for each <br />permit, to ensure adequate public comment. <br />3389E <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 <br />