If a tank vessel having a COW system meeting Sec. 157.10a(a)(2) or Sec. 157.10c(b)(2) does not have segregated ballast tanks or dedicated clean ballast tanks that meet Sec. 157.10c(c)(2), the owner, operator, and master shall ensure that the vessel carries only the grades of crude oil that can be used for crude oil washing. [CGD 82-28, 50 FR 11628, Mar. 22, 1985]