2016-09-22_PERMIT FILE - C1981035 ‎(2)‎

• Permit No: C1981035
• IBM Index Class Name: PERMIT FILE
• Doc Date: 9/22/2016
• Section_Exhibit Name: KI 2.04.6 General Geology Description
• Media Type: D
• Archive: No

REFUSE PILE CHEMISTRY
A discussion of the chemistry and comprehensive sampling plan of the coal mine
waste material generated from the King I and King II mines has been added to the
permit with Minor Revision MR -41, and can be found as King II Appendix 4(8).
Upon approval of MR -41, sampling will commence as soon as possible, weather
permitting. Analysis results will be compiled into a report which will be forwarded to
the Division and inserted into King II Appendix 4(8).
At the King I Mine: Samples will be collected from three drill holes located as
shown on Appendix 4(8) Map 1 and Map 1A, Detail. Map 1 represents a survey
performed in January, 2006 at a time when the refuse pile consisted only of King I
refuse material. The cross-sections on the left portion of the map show the holes to
be drilled and the existing surface and refuse pile/pre-refuse pile interface.
Due to the need to set a drill rig on a relatively flat surface, drill hole locations are
placed at intervals along the existing road that accesses the top of the existing refuse
pile. These holes are placed such that they will intersect refuse generated only from
the King I mine over various periods of time. Holes drilled from higher locations
would intersect refuse generated from the King II mine, which is to be sampled
separately from the King I refuse. These holes will be drilled to depths of
approximately 20' to 35 feet, depending on the cross-section as shown on Maps 1 &
1A, in order to collect representative samples of King I refuse, without intercepting
pre -refuse pile base material which could contaminate the samples.
At the King II mine: As shown on Appendix 4(8) Map 2, four additional samples will
be collected from existing drill cores or from within the current workings of the King
II mine. King II sample locations are spaced at approximately one hole per square
mile as per CDRMS guidance document "Guidelines for the Collection of Baseline
Water Quality and Overburden Geochemistry Data".
Holes labelled RCF #I thru #3 were chosen to take advantage of locations which are
legally and physically accessible within the King II mine. RCF #4 is an available drill
core which was collected in 2015 as approved by TR -22
GCC Energy, LLC King I Mine
Section 2.04.6
Page 5 September 14, 2016 (MR -41)