Section 157.154 - Assistant personnelThe owner, operator, and master of a tank vessel having a COW system under § 157.10(e) , § 157.10a(a)(2) , or § 157.10c(b)(2) shall ensure that each member of the crew that has a designated responsibility during COW operations-
(a) Has six months or more of tank vessel duty that includes oil cargo discharge operations;(b) Has been instructed in the COW operation of the tank vessel; and(c) Is familiar with the contents of the Crude Oil Washing Operations and Equipment Manual approved by the Coast Guard under § 157.112 or by the government of the vessel's flag state.CGD 77-058b, 45 FR 43709, June 30, 1980, as amended by CGD 82-28, 50 FR 11628, Mar. 22, 1985