Ballast Water Experts Weigh Implications of Type-approval Changes


March 1, 2019

A Hyde Marine GUARDIAN ballast water treatment system, pictured in an installation. Photo courtesy of Hyde Marine.

Looking out over the harbor in Seattle, one would never notice which ballast water treatment system a ship uses. But Mark Riggio, president of the Ballastwater Equipment Manufacturers' Association, an independent trade organization, said many of those vessels may soon be fitted with ultraviolet (UV) systems.

While about half of all small- to medium-sized vessels throughout the world already use UV ballast water management systems, a new development could change the regulatory framework governing ballast water treatment in the United States.

The Vessel Incidental Discharge Act (VIDA), signe...

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