4. In the sense of this Regulation, the word “fence” includes any hedge in a good state, of spruce, cedar or pine as well as any other natural barrier which effectively conceals a dump which might be visible from a road maintained by the Minister of Transport. These hedges or natural barriers must conform, with respect to height, to the standards set forth in section 2.
R.R.Q., 1981, c. V-8, r. 1, s. 4.