3.13.4. It is prohibited to store oxygen cylinders less than 6 m from a flammable gas cylinder or a combustible such as oil or grease, unless the oxygen cylinder is separated from it by a wall made of non-combustible material, of a minimum height of 1.5 m and of a fire resistance of not less than 30 minutes.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.13.4; O.C. 1413-98, s. 20.