25 Pa. Code § 88.313 - Coal refuse disposal: construction requirements
(a) Coal refuse banks shall have a minimum
static factor of safety of 1.5 and a seismic factor of safety of 1.2.
(b) Following grading of the facility, the
site shall be covered with a final layer of nontoxic, noncombustible material
and soil suitable for revegetation as soon as practicable after placing the
final layer of material being disposed, and revegetated.
Notes
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