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.~(l,0-Cf (in M <br />~~cmcx °~' - <br />Ms. Erica Crosby <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />Colorado Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />,/ <br />RE: Monitoring Well Results <br />Dear Ms. Crosby, <br />-M- C~7~- ~o~ <br />August 19, 2005 <br /> <br />RECEIVE© <br />~UG 2 3 2005 <br />Division of Minerals and GeoloBY <br />Via Certified Mail <br />Return Receipt Requested <br />7004 2890 0003 2049 6372 <br />Please find enclosed monitoring well results from the monitoring well (CEM-1) which was <br />installed and developed in May 2005. This well contained apost-development water column of <br />120 feet with an approximate recharge rate of 0.05 gpm. In accordance with the provisions of <br />TR-04, samples were taken and analyzed for pH, selenium and thallium to evaluate potential <br />impact of impounded water in the onsite CKD disposal pit also known as C Pit. These samples <br />were taken on July 29, 2005. The compliance results are summarized below. <br />Anal to CEM-1 A Pit C Pit <br />H 7.84 8.05 12.16 <br />Dissolved <br />Selenium 1 3.6 380 <br />(µ ) <br />Dissolved <br />Thallium 0.2 0.22 8.3 <br />(µ ) <br />If you have any questions regarding this submittal, please contact me at (303) 823-2115. <br />Sincerely, <br />~~ . <br />Eric S. Hodek <br />Environmental Manager <br />Cc: J. Lohr <br />L. Deprimo <br />P. Banks, Banks and Gesso, LLC <br />File <br />United States Operations <br />P.O. Box 529, Lyons, Colorado 80540, USA, Phone: (303) 8232100, Fax: (303) 823-2199 <br />