2017-03-27_REVISION - M1981185 ‎(31)‎

• Permit No: M1981185
• IBM Index Class Name: REVISION
• Doc Date: 3/27/2017
• Doc Name Note: Exhibit U Environmental Protection Plan
• Doc Name: Request For Amendment To Permit
• From: Sunrise Mining, LLC
• To: DRMS
• Type & Sequence: AM2
• Email Name: LJW
• Email Name: GRM
• Media Type: D
• Archive: No

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MAY DAY IDAHO MINE COMPLEX
112(d) PERMIT AMENDMENT
EXHIBIT U
Designated Mining Operation (DMO)
Environmental Protection Plan (EPP)
6.4.21
The Environmental Protection Plan summarizes the adopted design features and maintenance
procedures to minimize or prevent toxic or hazardous material releases to the environment. The
plan commits to conducting and reporting routine inspection results to the appropriate regulatory
agencies.
6.4.21(1) Description of Compliance
(a) This section describes the procedures by which the Operator will comply with
applicable regulations to protect areas from potential mine related impacts.An
Environmental Protection Plan(EPP)is required due to the use of, storage;handling
and disposal of Colorado Division of Reclamation Mining and Safety(CDRMS)
designated chemicals and potentially acid-forming materials.
(b) Potential adverse impacts are discussed specifically in Sections 6.4.21(5),6.4.21(6),
6.4.21(14). Specifically;the EPP will address mine rock storage and disposal.
(c) This Environmental Protection Plan has addressed performance standards contained
within the Act with respect to the proposed location of operations at the site.
(d) The mine site has a history extending over 100 years. Based on the historical legacy of
the site,there are no significant environmental issues associated with the mine site as
explained further in Section 6.4.2121(7)(d)—Naturally Occurring Geological and
Geochemical Conditions. The history of the site has been taken into consideration
during the development of the EPP.
6.421(2) Maps
No acid or toxic mine drainage or potential acid or toxic producing solid or liquid non-contained sources
have been identified within the permit area(See Figure U-1).
6 4 21(3) Other Agencies' Environmental Protection Measures and Monitorin>;
Colorado Department of Health and the Environment(CDPHE) Stormwater Management Plans(SWMPs)
and permit for construction activities and metal mining(COR0040222)call for monitoring of the
stormwater and erosion control measures(Best Management Practices(BMPs). The site will be inspected
monthly or after significant rainfall runoff events to ensure the Surface Water Management Plan(SWMP) is
functioning as designed.
May Day and Idaho Mine
Revised:January 22,2017