Technical Circular No:25/2018

Subject: Unified Interpretation of Regulation 36.2.10 of MARPOL Annex I

PDF file Download PDF 

  • The IMO’s Marine Environment Protection Committee vide Circular MEPC.1/Circ.872 (copy attached) has approved unified interpretation of regulation 36.2.10 of MARPOL Annex 1, with respect to recording of terminal hose flush water in Oil Record Book, Part II.
  • The Interpretation reads as follows:
  • When the master of an oil tanker agrees to accept terminal hose flush water from a Single Point Mooring (SPM) or a Conventional Buoy Mooring (CBM), that flush water should be categorized as the disposal residues under regulation 36.2.10. Appropriate entries should be made under Item J of Part II of the Oil Record Book.
  • The following are examples of how these entries should be made:
  1. At the load port where the flush water is received by the tanker, use the suggested wording for remarks:

(J) 55    At the request of (terminal xxxx), terminal line flush water (seawater) has been loaded into the ship’s xxx tank

(J) 56    xxx m3 flush water

(J) 57.4 Transferred from terminal xxxx lines/hoses. Total quantity in xxx tank …. M3;


  1. At the discharge port where the flush water is disposed of by the tanker:

(J) 55    xxx tank

(J) 56    xxx m3, quantity retained in tank: xxx m3

(J) 57.1 a quantity of xxx m3 terminal line flush water received at the loading port terminal (xxx) was disposed / transferred to terminal xxx facility.

Ship owners/ operators and masters are advised to be guided by above.


  1. IMO Circular MEPC.1/Circ.872 dated 14 August 2017


This Technical Circular and the material contained in it is provided only for the purpose of supplying current information to the reader and not as an advice to be relied upon by any person. While we have taken utmost care to be as factual as possible, readers/ users are advised to verify the exact text and content of the Regulation from the original source/ issuing Authority.

PDF file Download PDF



All Technical Circulars