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1994-03-25_REVISION - M1988112
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1994-03-25_REVISION - M1988112
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Entry Properties
Last modified
6/20/2021 12:35:38 PM
Creation date
11/21/2007 10:02:04 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Revision
Doc Date
3/25/1994
Doc Name
03/21/94 REPORT OF ELEVATED CN LEVELS LOWER TAILINGS POND SAN LUIS PROJECT FN M-88-112
From
DMG
To
BATTLE MOUNTAIN RESOURCES INC
Type & Sequence
AM1
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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t <br />J <br />III IIIIIIIIIIIII III . <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Nawral Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: 1307) 866-3567 <br />FAX: (3031832-8106 <br />March 25, 1994 <br />Ms. Alana Scott <br />Battle Mountain Resources, Inc. <br />P.O. Box 310 <br />San Luis, CO 81152-0310 <br />RE: March 21, 1994 Report of Elevated CN~ Levels <br />Lower Tailings Pond, San Luis Project, File No. M-88-112 <br />Dear Ms. Scott: <br />~~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Romer <br />Gorernor <br />hen Salazar <br />Exec W rve Dueciur <br />M¢hael tl. Lonti <br />Division Director <br />On March 21, 1994, you reported by phone that an air actuated bypass valve diverted the <br />plant waste slurry to the lower tailings pond, bypassing the INCO cyanide destruction circuit. <br />The cyanide levels you reported for the lower pond (19.57 mg/1 WAD and 20.45 mg/1 total) <br />automatically inquired that you initiate 24 hour security, which you stated was started on <br />March 21, 1994. Our letter to you dated January 11, 1993 states that you must continue the <br />security until the Division approves cessation. <br />I asked you for an incident report and you agreed to prepare one. Please include the <br />following information: <br />1. What caused the slurry to bypass the INCO system? <br />2. When did the slurry begin to bypass the INCO system? <br />3. When did the INCO system resume treating the slurry properly? <br />4. What volume of slurry bypassed the treatment system? <br />5. What was the concentration of cyanide in the slurry, WAD and total? <br />6. What was the estimated volume of water in the lower pond on March 21, 1994? <br />7. What will be done to prevent this from happening again? <br />
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