2020-08-07_REVISION - M1980244 ‎(12)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 8/7/2020
• Doc Name Note: Vol 1 of 2
• Doc Name: Adequacy Review Response
• From: CC&V
• To: DRMS
• Type & Sequence: AM13
• Email Name: TC1
• Email Name: JPL
• Email Name: ERR
• Email Name: BFB
• Email Name: MAC
• Media Type: D
• Archive: No

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15. On Site ProcessinEl g:
Solution(SO) El Chemical(CH) Thermal(TH)
Heap Leach(HL) JZ-Vat Leach(VL)
List any designated chemicals or acid-producing materials to be used or stored within permit area:
Sodium Cyanide, dilute sodium cyanide, hydrochloric acid, potassium amyl xanthate, dithophosphate, and frother
Description of Amendment:
If you are amending or converting an existing operation,provide a brief narrative describing the proposed change(s):
The scope of this Amendment 13 is to extend the life of mine to 2028 by adding 107 million tons of
leach capacity through construction of Phase 3 of the Valley Leach Facility (VLF) 2. See attached
Executive Summary and Exhibits and Attachments for more details.