33 C.F.R. § 157.162 Crude oil washing during a voyage.
Title 33 - Navigation and Navigable Waters
The 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 cargo tank that is crude oil washed during a voyage other than a ballast voyage— (a) Remains empty so that the tank may be inspected upon arrival at the next discharge port; and (b) If it is to be used as a ballast tank when leaving the discharge port, is ballasted before the vessel departs from that discharge port so that the tank may be inspected under §157.140(a)(2). [CGD 77–058b, 45 FR 43709, June 30, 1980, as amended by CGD 82–28, 50 FR 11628, Mar. 22, 1985]
Title 33: Navigation and Navigable Waters
PART 157—RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK
Subpart D—Crude Oil Washing (COW) System on Tank Vessels
COW Operations
§ 157.162 Crude oil washing during a voyage.
