25 Pa. Code § 90.128 - Coal refuse disposal: active surface mines
(a) The person disposing of coal refuse in
active surface mines shall meet the requirements of Chapter 87 (relating to
surface mining of coal) and §
90.125 (relating to coal refuse
disposal: construction requirements).
(b) The Department will limit the volume or
amount of coal refuse disposal in an active surface mine based on achieving the
approximate original contour and insuring pollution will not occur.
(c) The coal refuse shall be disposed at a
minimum of 10 feet above the base of the pit floor or the seasonal high water
table whichever is higher.
(d) The
coal refuse shall be spread and compacted in 2 foot layers and may not exceed
the volume as set forth in subsection (b).
(e) The coal refuse may not be deposited
against an exposed coal seam. An exposed coal seam shall be covered by
nontoxic, nonacid and noncombustible spoil at a minimum of 2.5 times the
thickness of the coal.
(f) The
Department may require treatment of the coal refuse.
Notes
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