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Wärtsilä secures key US approval

The US Coast Guard has approved Wärtsilä's ballast water system for use in American waters. This marks the first step toward a complete approval of the company's system for cleaning ballast water, says Wärtsilä.

Finnish subcontractor Wärtsilä has received an Alternate Management System (AMS) approval from the United States Coast Guard (USCG) for the company's Aquarius UV Ballast Water Management System. The approval means that all ships equipped with the system are cleared to operate in US waters - and discharge treated ballast water herein - for a period of five years from the system is installed, according to Wärtsilä's press release.

The AMS approval marks the first step toward a full USCG approval. The approval covers use in all salinities - from brackish to fresh water. Aquarius UV is only the second system to receive AMS approval.

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