HYDRO25324

• Permit No: M1988112
• IBM Index Class Name: Hydrology
• Doc Date: 12/22/2000
• Doc Name: MEMO NOTICE OF ISSUANCE OF THE PERMIT FOR BATTLE MTN GOLD CO-0045675
• From: CDPHE
• To: ATTENDEES AT THE PUBLIC MEETING ON THE BATTLE MTN PERMIT CO-0045675
• Media Type: D
• Archive: No

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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division
Rationale -Page 18 Permit No. CO-0045675
determined from antidegradation based water quality standard mass balance equations, are more
stringent than the federal based limitations guidelines (or the following (ve metals. The table below s~7ows
the lederal6ased metals limtations for active mining facilities.
Table VI-2 -Federal Guidelines and Standards -For Active Mining Facilities
Parameter. marl 30-Day Average Limit Daily Maximum Limit
Total Cadmium 0.05 0.10
Total Copper 0.15 0.30
Total Lead 0.3 0.5
Total Mercury 0.001 0.002.
Total Zinc 0.75 1.5