2021-06-14_REVISION - M2012032 ‎(2)‎

• Permit No: M2012032
• IBM Index Class Name: REVISION
• Doc Date: 6/14/2021
• Doc Name: Adequacy Review Response
• From: Ouray Silver Mines, Inc.
• To: DRMS
• Email Name: LJW
• Media Type: D
• Archive: No

1. Aerofloat 242 Promoter Liquid
2. Danafloat 067 Liquid
3. Aerophine 3418 Liquid
4. Copper Sulfate (CuSO4) Granular
5. Hydrated Lime Granular
6. Sodium Metabisulfite Liquid/Granular
7. Oreprep 549 Liquid
8. Polyfroth W20 Liquid
9. Sodium Isopropyl Xanthate Granular
10.NAX 31 Granular
11.Zinc Sulfate (ZnSO4) Granular
12.Flocculant AF-309 Liquid (Totes)
For the solid chemicals, less than 2,000 pounds of each chemical will be stored onsite. The SDS
sheets for these listed chemicals can be found in Appendix B.
2.3 Designated Chemicals
Of the chemicals listed above, the following are considered to be designated chemicals (i.e. toxic,
alkaline, acidic, etc.):
1. Aerofloat 242 Promoter 100% Liquid
2. Danafloat 067 100% Liquid
3. Aerophine 3418 100% Liquid
4. Copper Sulfate (CuSO4) Granular
5. Hydrated Lime Granular
6. Sodium Metabisulfite Liquid/Granular
7. Oreprep 549 100% Liquid
8. Polyfroth W20 100% Liquid
9. Sodium loopropyl Xanthate Granular
10.NAX 31 Liquid/Granular
11.Zinc Sulfate (ZnSO4) Granular
12.Flocculant AF-309 Liquid (Totes)
The designated chemicals require extra care in handling and cleanup in the event of a spill or
release. Details regarding each are listed in Part 3.
Materials Containment Plan (MCP) Page 9 of 33 May 2021