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AMERICAN <br />SODA, LLP ,~'- <br />Ed Cooley <br />Environmental Health and <br />Safety Manager <br />2717 County Road 215 <br />Parachute, CO 81635 <br />Wednesday, January 07, 2004 <br />Erica Crosby <br />Department of Natural Resources <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Lie <br />Dear Erica: <br />D1reCt Line (970) 285-0407 <br />International Telephone +l (970) 285-6500 <br />General Facsimile (970) 285-6393 <br />ENV.04,04 <br />RECEIVED <br />/JAN Q 9 2004 <br />®IYlsion of Minerals & BeolOp <br />~R94 -ape <br />Well 20-12 P&A <br />American Soda plans to Plug and Abandon Well 20-12 due to the inability to <br />maintain Mechanical Integrity of the well casing. <br />Based on di-scussions at our meeting at EPA in Denver on December 16,2004 we <br />have submitted a revised P&A Plan for well 20-12 to EPA which includes the <br />installation of a Time Domain Reflectometery Cable. This TDR Cable will be <br />cemented in the 7' short string casing after the removal of the 4' <br />production tubing and the installation of a cast iron bridge plug. There <br />will be a cement plug from the bridge plug to the bottom of the dissolution <br />zone then the TDR Cable will extend from the cement plug to surface. <br />The TDR Cable will be an enhancement to the Subsidence Monitoring of the <br />well field. <br />If you have any questions or require more information please contact me at <br />970-285-0407. <br />Sincerely, <br />~C <br />Ed Cooley <br />Environmenta Health <br />and Safety Manager <br />Delivering a Crystal Clear Advantage <br />www,americansoda.com <br />