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2021-12-07_REVISION - M2012032 (18)
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2021-12-07_REVISION - M2012032 (18)
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Entry Properties
Last modified
12/7/2021 11:13:38 AM
Creation date
12/7/2021 11:02:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2012032
IBM Index Class Name
Revision
Doc Date
12/7/2021
Doc Name Note
Appendix 2: SWMP
Doc Name
Proposed Revision Materials
From
Ouray Silver Mines, Inc
To
DRMS
Type & Sequence
AM2
Email Name
LJW
THM
Media Type
D
Archive
No
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1 <br /> OURAY SILVER MINES <br /> C-11 Mill (55 gal drums) Graded concrete floor <br /> Gear lubricants <br /> Floatation gallery of mill <br /> Other Containers <br /> Various other tanks associated with mobile equipment are used for the sole purpose of motive <br /> power. <br /> MILL OPERATIONS <br /> At various times, chemicals for the milling operation will be unloaded on the surface and <br /> transported into the mill building reagent room. While these chemicals are not considered oil <br /> or fuel they will be present outside of the mill for a short duration. The Material Containment <br /> Plan provides guidance for the storage, use, cleanup, training and reporting associated with the <br /> use of mill chemicals. The regent room has an epoxy coated floor with vertical curbs to prevent <br /> release, as well as a concrete apron and sump pump. If for any reason, chemicals exit the filter <br /> building,this system will capture the spill and pump it back to the reagent room. <br /> Key elements of the SWMP are as follows: <br /> Stormwater from rainfall or snowmelt will pass through the site on its way to Sneffels <br /> Creek. All disturbed areas have collection systems in place that direct runoff to the <br /> passive water treatment system, sediment ponds or natural drainages where sediment <br /> settles, preventing sediment discharge. See the SWMP Map; <br /> Sediment is classified by the State as a potential pollutant, therefore runoff from <br /> disturbed areas is be collected in the passive water treatment system or sediment <br /> ponds to prevent sediment load to Sneffels Creek; <br /> The best method of managing site runoff water quality is to remove and properly <br /> dispose of any site contaminants that could be transported by stormwater runoff. <br /> Activities that could produce non-sediment pollutants are restricted to indoor facilities <br /> with sufficient internal sump capacity to prevent discharge; <br /> On-site Stormwater(stormwater contacting the surface activity area of the mine) shall <br /> be contained within the mine permit area and routed to a sediment pond before being <br /> discharged into Sneffels Creek; <br /> ■ Disturbed areas will drain to the passive water treatment system ponds or sediment <br /> ponds located on the site. See the SWMP Map for the flow directions from particular <br /> portions of the site; <br /> Stormwater Management Plan 6 1 P a g e <br />
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