(1) Slash, including slash generated by right-of-way clearing, road construction and maintenance, must be reduced to meet the general standard for 90% of the total area within each cutting unit. No single area greater than two acres or 10% of the cutting unit area, whichever is less, may exceed the general standard.

(2) The cutting unit must meet the general standard within 100 feet of:

(a) the perimeter of a cutting unit;

(b) all roads with legal public access that pass though or are adjacent to the cutting unit; and

(c) active railroad right-of-ways.

(3) At least 90% of the slash piles generated by forest practices activity must be burned in areas where the general standard applies.

(4) All slash piles within 100 feet of a public road, cutting unit or property boundary, or active railroad right-of-way must be burned, except as provided in ARM 36.11.224 through 36.11.230.