Drilling equipment shall not be removed from any well where drilling operations have been suspended before adequate measures have been taken to close the well and protect the surface and subsurface resources including fresh water aquifers. A suspended well shall be mudded and cemented as set forth in WAC 332-17-310 of these rules and regulations or as otherwise approved by the department except that WAC 332-17-310 (3)(a)(iv) - (vi) will not be required.