View all text of Subjgrp 33 [§ 153.350 - § 153.372]
§ 153.372 - Gauges and vapor return for cargo vapor pressures exceeding 100 kPa (approx. 14.7 psia).
When table 1 references this section, the containment system must have a:
(a) Tank pressure gauge at the point where cargo flow is controlled during transfer; and
(b) Vapor return connection.