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~ III IIIIIIIIIIIIIIII ~ <br />___ _ _ STATE OF COLO_RAD_O__ <br />MINED LAND RECLAMATION DIVISION oF.~o~ <br />Deparimenl of Natural Resources ,~ti 9a <br />1313 Sherman St., Room 215 ~e ~ ~~ {~ <br />Denver, CO 60203 • ' ° <br />303 666-3567 • " <br />{lb 7e ~ <br />FA x: 303 832-8106 <br />Roy Romer, <br />Governor <br />Fretl R. Banla, <br />DATE: January 25, 1990 Division Director <br />T0: Board Members <br />FROM: Steve Renner <br />RE: Acid Potential Monitoring <br />Battle Mountain Resources commits that they will ensure that exces<_. buffering <br />capacity in the tailings, as measured by humidity cell method (pH conductivity <br />iron sulfate acidity and percent recovery) will exist at the point of <br />deposition throughout the life of the facility. Monitoring will occur at a <br />three month frequency. Data will be submitted to the Division upor <br />availability. <br />/ern <br />3446E <br />