Blog - Grid Archives

Do challenging water conditions impact BallastWISE CMD accuracy?

To ensure valid compliance testing of ballast water with challenging water conditions, for example from harbours with muddy waters, the performance of the BallastWISE CMD has been tested on challenging water with high concentrations of total suspended solids. Dive...

BallastWISE CMD is compatible with all type-approved ballast water treatment systems

There are many considerations to make when selecting a ballast water compliance monitoring device (CMD). You have almost certainly already considered the simplest: Does this ballast water test provide the results required by the IMO D2 standards? What about the...

How to test compliance for VGP’s vessel discharge vs IMO’s BWMS D-2 standards

Vessels operating in United States waters must follow the vessel discharge standards of the Environmental Protection Agency’s (EPA) Vessel General Permit (VGP). These define, among others, the maximum amount of organisms that may be present in ballast water discharge,...

How to become an approved service provider for BWMS commissioning testing

Commissioning testing is a mandatory step to verify that newly installed ballast water management systems (BWMS) meet the D2 standard and function correctly – as per the IMO’s 2020 Guidance for the commissioning testing of ballast water management systems...

USCG & IMO Type Approved ballast water treatment systems

This list of BWTS suppliers is meant to provide an accessible overview of the available systems while it also provides information on each BWTS’s type-approval status and method of treatment employed as stated on each system’s website. It is not an exhaustive...

What are the D-1 and D-2 regulation standards?

The International Maritime Organization (IMO) is responsible for protecting the marine environment from the harmful impacts of shipping. The IMO develops global standards for ships to prevent the spread of invasive species and potentially harmful pathogens with the...