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III IIIIIIIIIIIIIIII` <br />999 <br />~/~M.: DIVISION OF MINERALS AND GEOLOGY <br />epaflmenl V aWla e5011rC <br />1 J 13 Sherman St., Room 215 <br />Denver, Colorado BO?03 <br />Phone: 13031 866-3567 <br />FA%: 13031 8 3 2-81 06 <br />September 20, 1999 v <br />• <br />STATE OF COLORADO <br />Mr. Paul S. Osborne <br />~~: 8P-W-GW <br />USEPA Re i- on 8 ~ <br />999 18'h Street, Suite 500 <br />Denver, CO 80202-2466 ~t <br />RE: Revision to American Soda's Reclamation Permit Yankee Gulch Project, <br />Permit o. M-99-002 <br />Deaz Mr. Osborne: <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.EC LAMATION <br />MINING•$AFET.Y <br />B~11 Owens <br />Governor <br />Greg E. Walther <br />E.ecuuve Director <br />Michael B. Long <br />Division Director <br />As we discussed in August, please find enclosed American Soda's proposed final revisions to the list of <br />ground water and surface water monitoring parameters and detection limits for the water quality <br />characterization program in the Piceance Basin. Also enclosed is a proposal for additional subsidence <br />monitoring. The Division of Minerals and Geology has established a decision date for the proposed <br />revisions of October 18, 1999. Please provide any comments or concerns you may have prior to that <br />date. <br />If you have any questions, please contact me. <br />Sincerely, <br />L~ ~i <br />Allen C. Sorenson <br />Reclamation Specialist <br />enclosure(s) <br />L-----t <br />c:\windows\personal\ametican soda twentytwo <br />