69-05.2-21-05. Performance standards - Backfilling and grading - Slippage and piping zones.

The commission may require the operator to use current research findings and the best technology currently available to minimize subsurface piping in the spoil and slippage at the suitable plant growth material spoil interface.

History: Effective August 1, 1980; amended effective May 1, 1990.

General Authority: NDCC 38-14.1-03

Law Implemented: NDCC 38-14.1-24