2020-08-03_REVISION - M1980244 ‎(8)‎

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 8/3/2020
• Doc Name Note: Exhibit D
• Doc Name: Adequacy Review - Preliminary
• From: CC&V
• To: DRMS
• Type & Sequence: AM13
• Email Name: TC1
• Email Name: MAC
• Email Name: ERR
• Email Name: JPL
• Email Name: BFB
• Media Type: D
• Archive: No

Cripple Creek & Victor Gold Mining Company Exhibit D Cresson Project Amendment 13 20
used in the past at the site and may be installed, if needed. Experience with dilute sodium cyanide solution leach tanks has shown that birds do not tend to use these as a water source due to the small open area of each tank, the noise associated with the agitation, and the level of activity of the milling operations. Leaks or spills from the cyanidation leach tanks are contained within the curbed concrete foundation for the tanks.
4.2 Water Balance and Recycling
No changes to the HG Mill water balance are anticipated as part of Amendment 13.
4.3 Stormwater Control at the High-Grade Mill Facilities
Stormwater from the HG Mill is directed towards the VLF2 or recycled as fresh water back into the process. High pH water and other process overfill is directed to the VLF1. More details about stormwater management from the HG Mill may be found in the sitewide Stormwater Management Plan, which is provided in Appendix 3 of this Amendment 13 permit.