33 C.F.R. § 158.500 Draining cargo area and piping systems.
Title 33 - Navigation and Navigable Waters
The person in charge shall ensure that each cargo hose and each piping system containing NLS received from each oceangoing ship carrying NLS cargo is not drained back into the ship.
Title 33: Navigation and Navigable Waters
PART 158—RECEPTION FACILITIES FOR OIL, NOXIOUS LIQUID SUBSTANCES, AND GARBAGE
Subpart E—Port and Terminal Operations
§ 158.500 Draining cargo area and piping systems.

