View all text of Subpart B [§ 157.08 - § 157.24a]
§ 157.13 - Designated observation area.
Each new vessel must have a designated observation area on the weather deck or above that is:
(a) Located where the effluent from each discharge point and manifold described in § 157.11 can be visually observed; and
(b) Equipped with:
(1) A means to directly stop the discharge of effluent into the sea; or
(2) A positive communication system, such as a telephone or a radio, between the observation area and the discharge control position.