401.73—Cleaning tanks—hazardous cargo vessels.

Cleaning and gas freeing of tanks shall not take place:
(a) In a canal or a lock;
(b) In an area that is not clear of other vessels or structures; and
(c) Before gas freeing and tank cleaning has been reported to the nearest Seaway station.

Code of Federal Regulations

[55 FR 48599, Nov. 21, 1990]