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2009-01-23_REVISION - C1980007 (3)
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2009-01-23_REVISION - C1980007 (3)
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Last modified
8/24/2016 3:43:04 PM
Creation date
1/26/2009 9:37:56 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
REVISION
Doc Date
1/23/2009
Doc Name
Mine Plan Decision Document (2 of 2)
From
Mountain Coal Company
To
DRMS
Type & Sequence
PR14
Email Name
TAK
Media Type
D
Archive
No
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B. Access Roads <br />• 1. The West Elk Mine has three access roads which are considered access roads <br />only. These include the Sylvester Gulch Substation Access Road, the Portal <br />access road, and the Materials Storage Bench access road, which are shown on <br />Map 53 and 53B. Access roads are properly certified. These certifications are <br />provided in Exhibit 8A of the pen-nit document. A discussion of the access <br />roads can be found in Section 2.05.3 in Volume 1 of the permit document. <br />The designs are in compliance with Rules 2.05.3 and 4.03.2. <br />2. All of these roads will be reclaimed upon closure of the mine when the roads <br />are no longer necessary. <br />C. Light Use Roads <br />The West Elk Mine has numerous light-use roads at the site. They are <br />around the southern and eastern perimeter of MB-2R and around the <br />base of lower refuse pile, above the facilities area and on Jumbo <br />Mountain to access monitoring sites and the water tank, the Lone Pine <br />Gulch fan road and roads to the south for methane degas pads and the <br />"thermal event area." The designs, except for some preexisting roads, <br />are in compliance with Rules 2.05.3 and 4.03.3. <br />• II. Support Facilities - Rule 4.04 <br />A. Construction of support facilities did not result in any damage to any protected <br />structures. Therefore, the Division proposes to approve those activities [4.04(6)]. <br />III. Hydrologic Balance - Rule 4.05 <br />A. Water Quality Standards and Effluent Limitations <br />1. There are eight sediment ponds and one freshwater pond at the West Elk Mine <br />that treat drainage from the disturbed area. These ponds function as designed <br />to ensure compliance with the water quality standards and effluent standards <br />specified in CDPS Permit No. CO-0038776. <br />2. Underground mine water has been pumped to the ground surface, passed <br />through a polishing pond, and then discharged into Sylvester Gulch at CDPS <br />outfall 017. As of October 8, 2008, Colorado Water Quality Control Division <br />is reviewing past exceedances of discharge limitations for iron (potentially <br />dissolved and total recoverable) at outfall 017. MCC has ceased mine water <br />pumping at Outfall 017 and is investigating potential corrective measures to <br />ensure future discharges at Outfall 017 comply with effluent limitations <br />specified in CDPS Permit No. CO-0038776. <br />24
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