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. [CGD 73-96, 42 FR 49027, Sept. 26, 1977; 42 FR 57126, Nov. 1, 1977, as amended by CGD 81-078, 50 FR 21173, May 22, 1985]