Annex I- Regulations for the Prevention of Pollution by Oil

Chapter 4 - Requirements for the cargo area of oil tankers. Part B - Equipment

Regulation 32 - Oil/water interface detector*

Subject to the provisions of paragraphs 4 and 5 of regulation 3 of this Annex, oil tankers of 150 gross tonnage and above shall be provided with effective oil/ water interface detectors approved by the Administration for a rapid and accurate determination of the oil/water interface in slop tanks and shall be available for use in other tanks where the separation of oil and water is effected and from which it is intended to discharge effluent direct to the sea.

* Refer to the Specifications for oil/water interface detectors adopted by the Organization by resolution MEPC.5(XIII).