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999 <br />C crpRUs <br />"~ Orchard Valley <br />Cyprus Orchard Valley Mine / <br />P. O. Box 1299 - <br />Paonia, CO 81428 <br />Phone: 303-527-4735 <br />Fax: 303-527-2234 <br />October 2, 1990 <br />Susan McCannon <br />Senior Reclamation Specialist <br />Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Dear Ms. McCannon: <br />RE: CLARIFICATION OF HYDROLOGIC MONITORING PLAN <br />Permit C-81-038 <br />Presently, Cyprus Orchard Valley monitors a number of ponds per the <br />requirements of its permit. The intent of the monitoring program <br />was to obtain quantity and quality date from flowing ponds. <br />However, a review of the historic data and discussions with the <br />person conducting the monitoring work indicate that data has been <br />obtained from stagnant or nondischarging ponds. I think you will <br />agree with me that this does not provide the type of hydrologic <br />information the program was designed to develope. Therefore, <br />unless the Division disagrees, stagnant or nondischarging ponds <br />will not be monitored, except for a notation that indicates the <br />ponds are not discharging. <br />I do not believe this modifies the existing monitoring program, <br />thus a revision to the existing permit is not required. It is <br />Orchard Valley's opinion that the above is a clarification of the <br />existing monitoring program. I hope the Division does not <br />interpret this clarification as an attempt to reduce the monitoring <br />requirements; but rather views it as Orchard Valley and sees the <br />clarification acting as a procedure to ensure collection and <br />reporting of meaningful hydrologic data. <br />I'll look forward to your comments on the above, and if there are <br />questions contact me at your convenience. <br />Sincerely, <br />Richard Mills i~C~~~ V ~® <br />Supervisor; Environmental Affairs !l~~d C <br />~~rt" OCT 0 9 1990 <br />Mined Land <br />Reclamation Division <br />~~~~I V ~® <br />OCT 0 9 19gp <br />