46 CFR § 153.602
Special requirements for cargoes reactive with water
April 15, 2021
When Table 1 refers to this section, the air inlet to the pressure-vacuum valve for the cargo tank must be located at least 2m (approx. 6.6 ft) above the weatherdeck.
[CGD 78-128, 47 FR 21210, May 17, 1982]