Oregon Oregon Health Authority, Public Health Division Rule Rule 333-110-0020 Abandonment of the Site Prior to abandonment of the site, the requirements of this rule shall be fulfilled: (1)Piles shall be stabilized against wind and water erosion and contoured in a manner which will prevent collection of water. (2)In addition to the above requirements, any material which has been removed from the pile by natural forces shall be returned to the pile. (3)Ponds shall be drained and covered with materials that prevent blowing of dust. Water drained from the ponds shall be disposed of in a manner approved by the Authority. (4)Detailed plans for compliance with sections (1), (2) and (3) of this rule shall be submitted to the Authority for review and approval.