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<br />Battle Mountain <br />NOPV Abatement <br />page 2 <br />Gold <br />Requirements & Status <br />(5) leak Detection System Effluent Containment: <br /> <br />Status: BMG submitted a written commitment to comply in a lett~r of <br />April 16, 1992. BMG committed to repair the primary 1 ner if <br />if a leak is detected. No leak has been detected in t e <br />secondary clay liner. <br />(6) Cyanide Detection, Interception, Containment and Remedial Treat~ent: <br />Status: BMG submitted a written commitment to comply in a lett r of <br />April 16, 1992. BMG committed to development of remed al plan. <br />August Progress: - BMRI submitted the study report "Modifications to <br />Existing Ground Water Monitoring System" c mpleted <br />by Halapaska & Assocs on August 7, 1992. <br />- The Division forwarded technical adequacy omments <br />concerning dispersion modeling and water q ality <br />analytical data to BMRI on August 18, 1992. <br />- The Division received and forwarded techni al <br />adequacy comments from Scott Mefford, on b half of <br />the parties on August 21, 1992. <br />(1) Modification of Ore Processing Methodology: <br />Status: BMG submitted a written commitment to comply in a lett r of <br />April 16, 1992. BMG committed to the completion of th <br />requested investigations, the development of an approp fate <br />detoxification procedure, and the submission of a summ ry report. <br />(8) Modification of Tailings Area Reclamation Plan: <br />Status: BMG submitted a written commitment to comply in a Lett r of <br />April 16, 1992. BMG committed to the completion of th <br />requested investigations, the submittal of a comprehen ive <br />report, and the submission of appropriate permit modifications, <br />if necessitated. The Division originally specified su mittal <br />within 90 days following detoxification, however, 8MG as <br />demonstrated that 160 days will be required to complet the <br />requested evaluation. <br />Note: Staff prepared a briefing memorandum addressing the qu~stion <br />of Long-Term Tailings Detoxification at the request of Board. <br />