4VAC25-130-816.14: Casing and sealing of drilled holes; temporary

Each exploration hole, other drill or boreholes, wells and other exposed underground openings which have been identified in the approved permit application for use to return coal processing waste or water to underground workings, or to be used to monitor ground water conditions in either or both the saturated and unsaturated zone shall be temporarily sealed before use and protected during use by barricades, or fences, or other protective devices, approved by the division. These devices shall be periodically inspected and maintained in good operating condition by the permittee.