1992-07-21_REVISION - M1988112 - Laserfiche WebLink

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• D R~io~-1~ Minutes, July 22-Z4, 1992 Subject To Board Approval 3 Staff Presentation by Larry Oehler: 4. FORMAL PUBLIC HEARING BATTLE MOUNTAIN RESOURCES, INCORPORATED File No. M-88-112 333 Clay Street, 42nd Floor Houston, TX 77002 All persons wishing to give testimony were sworn. Secs. 15, 16, 17, 20, 21 and 22, T32S, R71W, 6th P.M., Cost lla County, 2,200 acres; 112 open pit gold and silver. Status report on Erogress towards completion of 12 Board ordered corrective actions, as amended, and status of -reducing the cyanide concentrations of wastE• stream and waste disposal areas to levels that comply with the permit. Staff presented EXHIBIT A, a Summary of the status of progress on abatement plan requirements (through July 20, 1992). Staff briefly discussed the status of each of the 12 abatement requirements: 1) increased tailings area security--on Juty 10, 1992 the Division was informed that the company had added 6 additional people tc the hazing crew; 2> assessment of environmental impact--satisfied ii April; 3) accelerated frequency of environmental monitoring--cor~tinues; 4) tailings cyanide detoxification--continuing Cy7ox and Hydrogen Peroxide treatments. The operator submitted TR-010, which is a proposal for introduction of the INCO process as a means of tailings treatment, antl the Division is in the process of reviewing adequacy respon>es; 5) leak detection system effluent containment--no additional activity; 6> cyanide detection, interception, containment and remedial treatment-- the company is in the process of drilling the 2 additional ground water monitoring wells which will be hydrologically tested, with an evaluative report due to the Division on August 6, 1992; 7) modification of ore processing methodology--will be completed after installation of ground water monitoring wells, reduction in cyanide levels, etc.; 8) modification of the tailings area reclamation plan--will be completed after the ponds are in compliance; 9> modification of the environmental monitoring plan--covered under Nos. 4, 6 and 12 and is continuing; 10) adjustment of financial assurance--will occur if the reclamation plan is amended; 11) critical path project management schedule--the operator is currentl~~ following a management schedule; and 12) modification of monitoring sampling and analysis protocol--the Division is awaiting responses to adequacy concerns forwarded to the operator in June. Staff said the operator is following the proposed protocol for sampling and analysis, and the Division is continuing its bi-monthly sampling and analysis. The Division is awaiting a response to correspondence forwarded to the operator last week in which suggestions were given regarding a procedure for developing the protocol. Staff said this issue should be resolved prior to the August 1992 Board Mee =ing. During its June 1992 Meeting, the Board imposed an additional corrective actions order, including 4 specific items to be addressed by the operator, as well as 2 additional clauses: 1) reduce the tailings