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4.18.2 When UN1005, ANHYDROUS AMMONIA, is contained in a large means of containment, the large means of containment must have displayed on it
(a) the Class 2.3 placard and a UN number; or
(b) the anhydrous ammonia placard and, on at least two sides, the words “Anhydrous Ammonia, Inhalation Hazard” or “Ammoniac anhydre, dangereux par inhalation” in letters
(i) at least 6 mm wide and 100 mm high in the case of a tank car,
(ii) at least 4 mm wide and 25 mm high in the case of a portable tank or an intermediate bulk container (IBC), and
(iii) at least 6 mm wide and 50 mm high in the case of all other large means of containment. SOR/2017-137
SOR/2014-159, s. 21; SOR/2017-137, s. 31; SOR/2017-253, s. 12