Oregon Administrative Rules
Chapter 632 - DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES
Division 37 - CONSOLIDATED PERMITTING OF MINING OPERATIONS
Section 632-037-0120 - Mine Operation Standards

(1) Mine facilities have been designed to handle the 100-year, 24-hour precipitation event, at a minimum.

(2) An interim vegetative cover of stockpiles of topsoil or overburden materials that will be used in reclamation shall be required to prevent erosion or fugitive dust release from the overburden storage or spoils area.

(3) Any standard adopted by rule by any permitting or cooperating agency related to the operation of a mining operation.

(4) No loss of existing critical habitat of any state or federally listed threatened or endangered plant species, as determined by the Department of Agriculture.