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ENFORCE28862
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ENFORCE28862
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Entry Properties
Last modified
8/24/2016 7:36:02 PM
Creation date
11/21/2007 12:04:41 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Enforcement
Doc Date
12/29/1997
Doc Name
ABATEMENT OF NOV M-92-026 SAN LUIS PROJECT M-88-112
From
DMG
To
BMRI
Violation No.
MV1992026
Media Type
D
Archive
No
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III IIIIIIIIIIIII III ~ <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmem of Nalurdl Resources <br />111 S Sherman 51., Kuom 215 <br />(leaver, ColnrdAu H0203 <br />Phnm•:13n31 ftbh-SSh7 <br />FA%:IM11 8 11 81116 <br />December 29, 1997 <br />Mr Ron Zumwalt <br />Battle Mountain Resources Inc <br />PO Box 3l0 <br />San Luis CO 8l 152 <br />STATE~CO <br />Re: Abatement of NOV M-92-026, San Luis Project, M-88-112 <br />Dear Mr Zumwalt: <br />RADO <br />II~~~ <br />I)EPARTM ENT OF <br />NATURAL <br />RESOURCES <br />Nuv Ramer <br />Gnvrnvu <br />lamr.s Luihhcad <br />E.n W rve Dnr, ~n, <br />Fln'har~ U loop <br />Divninn Durnur <br />As you are aware, BMRI was issued a NOV (M-92-026) in April, 1992. The Board aysessed a civil <br />penalty (which was paid) and ordered 12 violation abatement requirements. In additiotp, the Board issued <br />four (4) interim Board Orders; two (2) in June, 1992 and two (2) in July, 1992. FolloJving is a status and <br />progress report of the abatement requirements: <br />Increased tailings area security: Status; Tailings area security was discontinued When WAD <br />cyanide levels dropped below 10 ppm (and pH levels were below 9.0). Tailings) area security has <br />not been re-initiated because WAD cyanide levels have remained below 10 ppttr and pH levels <br />have never exceeded 9.0 since security was discontinued. <br />2. Assessment of environmental impact: Status; Satisfied. BMRI submitted an accejptable report April <br />l3, 1992. <br />3. Accelerated frequency of environmental monitoring: Status; Implemented. Bi-weekly monitoring <br />continues at the tailings and collection ponds. <br />4. Tailings cyanide detoxification: Status; Completed. BMRI utilized Cytox, Hydrpgen Peroxide and <br />the taco process to reduce cyanide levels in the tailings and collection ponds. A$ of November 5, <br />1997, WAD cyanide levels were 0.123 ppm in the tailings pond and 0.029 ppmi in the collection <br />pond. <br />5. Leak detection system effluent containment: Status: Implemented. BMRI commuted [o repair the <br />primary liner at the collection pond if a leak is detected. To date, no leak has been detected. <br />6. Cyanide detection, interception, containment and remedial treatment: Status; Completed. BMRI <br />submitted TR-08, TR-09 and TR-IS to abate this problem. <br />7. Modification of ore processing methodology: Status; Completed. BMRI initiated the Inco process <br />in October, 1992. <br />8. Modification of tailings area reclamation plan: Status; Satisfied. The Board and (Division were <br />
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