"To promote comparable and accurate test results on the performance of ballast water management systems for certification, through an open exchange of information, transparency in methodologies and advancing the science of testing."

The Global Ballast Water Test Organizations Network (GloBal TestNet) aims to increase levels of standardization, transparency and openness in testing ballast water management systems.

Driven by the need to develop effective and environmentally friendly ballast water management systems to comply with the 2004 IMO Ballast Water Management Convention various ballast water management systems are currently being developed by several organizations to cater to the emerging ballast water treatment market. Such treatment technologies are required to undergo a rigorous testing and approval process but comparability between test results needs improvement.

To address the need for standardization and comparability of ballast water testing systems the GlobBal TestNet network was officially formed in October 2013 when representatives of 16 ballast water treatments system testing organizations came together to sign a Memorandum of Understanding.

The members agreed to:

  • discuss or share methods, analyses, procedures and protocols used to support certification testing, and provide insight and lessons learned, to help improve the overall quality and efficiency of Ballast Water Management Systems (BWMS) testing by:
    • participation in quarterly correspondence by each Member via website, email list, conference calls etc.; and
    • participation in annual meetings by each Member, but representatives do not need to attend in person
  • build awareness of, and coordinate where appropriate with, various Member testing activities;
  • work together toward consensus on standardization, to the extent possible, of test and analytical methods and approaches, to increase the comparability and accuracy of results among tests;
  • when possible, participate in cross-training and inter-calibration among the Members to increase comparability and consistency within GloBal TestNet;
  • when appropriate, assist in vetting or validation of new testing methods and analyses;
  • encouraging diverse input from scientific experts, including those outside the ballast water testing community;


The GloBallast Story: Reflections from a Global Family

The final GloBallast publication features an interview with Tim Fileman talking about the impact of GloBal TestNet. 

Publications now available

Publications and reports from GloBal TestNet members are now available to view.

8th GloBalTestNet meeting

10th & 11th January 2017
IMarEST Headquarters, London
Click here to download the meeting minutes

Global treaty to halt invasive aquatic species to enter into force in 2017.

The International Convention for the Control and Management of Ships' Ballast Water and Sediments (BWM Convention) will enter into force on 8 September 2017.