153.219—Access to double bottom tanks serving as dedicated ballast tanks.
(a)
Except as prescribed in paragraph (b) of this section, access openings to double bottom tanks serving as dedicated ballast tanks must not be located within a cargo containment system.
(b)
Each access opening to a double bottom tank that is a dedicated ballast tank and that is located within a cargo containment system must be:
[CGD 78-128, 47 FR 21207, May 17, 1982, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]