81. (Replaced, O.C. 501-2011)Special devices: Any organic compound tank with a capacity of 250 m3 or more with an actual vapour pressure higher than 75 kPa under normal storage conditions must be equipped with a vapour recovery system or with another control system so as to limit organic compound emissions to a quantity equal to or lower than the one obtained by the use of the measures prescribed in subparagraph a of the first paragraph of section 80 for organic compound storage tanks with an actual vapour pressure of 75 kPa.
Any organic compound tank with a capacity of 5 m3 or less must be equipped with a submerged filling pipe. When such a tank is built above the ground, it must be equipped with a pressure vacuum valve or be pressurized.
R.R.Q., 1981, c. Q-2, r. 20, s. 81; O.C. 501-2011, s. 215.