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iiiiiiiiiiiiiiuiii <br />- Battle Mountain Resources, Incorporated <br />Permit M-88-112 <br />Interim Cyanide Levels far June 24 -October 15, 1992 <br />(1) BMG stated in their Hydrogen Peroxide Tailings Treatment TR-007 <br />application; "Existing WAD (weak acid dissociable) cyanide concentrations <br />in the tailings impoundment will be reduced to less than 50 ppm... <br />Peroxide will continue to be added directly to the liquid pools until the <br />WAD cyanide concentration drops below 50 ppm." <br />If BMG has not achieved tailings impoundment WAD cyanide levels of 50 ppm <br />or less by July 3, 1992, BMG shall immediately notify the Divislion and <br />cease operation of the ore processing plant until it has achieved the <br />reduced WAD concentrations. <br />WAD (weak acid dissociable) cyanide levels shall be determined in <br />accordance with APHA/AWWA Standard Methods, 17th edition, methop 4500-C. <br />(2) After July 3, 1992, if the WAD cyanide levels within the tailings <br />impoundment rise above 50 ppm, BMG shall immediately notify theiDivision <br />and cease operation of the ore processing plant until the WAD cyanide <br />levels have returned to 50 ppm or lower. <br />(3) Immediately following the Division's approval of technical revision <br />application TR-008, BMG shall submit well permit applications for the two <br />proposed additional monitoring wells. Further, BMG shall contact Mr. <br />George Van Slyke of the Division of Water Resources to request Herbal <br />approval to proceed with installation of the two monitoring wells. The <br />Division will request that DWR expedite approval of these well permits. <br />Within thirty days following receipt of verbal approval from th•? DWR to <br />install the monitoring wells, BMG shall install, complete, hydrplogically <br />test, geophysically log, and sample the wells. BMG shall also evaluate <br />the data and submit a report presenting BMG's conclusion's regaYding the <br />necessity of additional ground water monitoring modifications. <br />Within thirty days following the Division's approval of the evaluative <br />report submitted in accordance with TR-008, BMG shall install aid <br />complete any necessary additional ground water monitoring wells. <br />If BMG fails to meet any of the above deadlines, or any leakage, is <br />detected from the tailings impoundment, BMG shall immediately notify the <br />Division and cease operation of the ore processing plant. <br />