3 Confirmatory Tests
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Marine Environment Protection Committee - MEPC.1/Circular.677 – Guide to Diagnosing Contaminants in Oily Bilge Water to Maintain, Operate and Troubleshoot Bilge Water Treatment Systems – (22 July 2009) - Annex – A Guide to Diagnosing Contaminants in Oily Bilge Water to Maintain, Operate and Troubleshoot Bilge Water Treatment Systems - Annex 2 – Detection of Detergents and Solvents - 3 Confirmatory Tests

3 Confirmatory Tests

 ▸ The best way to detect the presence of solvents (instrumental and chemical analysis not possible on ship) is by smell. Most common solvents possess a characteristic smell that is easy to identify and backtrack to the source.

▸ The ERT pH paper test is a very dependable indicator of detergent.

  • Sampling Instructions

    • • Take a small container and draw bilge water before OWS. (To diagnose bilge water contamination.)

      • Take a small container and draw bilge water at OWS outlet. (To diagnose OWS capability to handle contaminated bilge water.)

      • Take a small container and draw bilge water after post-treatment polishing and particulate filters if installed. (To diagnose post-treatment capability to handle contaminated bilge water.)

Parent topic: Annex 2 – Detection of Detergents and Solvents
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.