The Certificate was awarded after a USCG detailed review of the manufacturer’s type approval application determined the system met the requirements of 46 CFR 162.060.

The treatment principle of the PureBallast 3.2 BWMS consists of filtration with UV treatment during uptake and discharge.

This approval covers models with maximum treatment rated capacities between 85 m3/h and 3,000 m3/h.

Various models of the PureBallast 3 had previously all been approved on the same certificate.

So far, Wärtsilä Water Systems, Ltd., DESMI Ocean Guard A/S (Denmark), Envirocleanse, LLC (USA), De Nora (USA), Panasia (Republic of Korea), JFE Engineering Corporation (Japan) , Headway Technology (People's Republic of China), Alfa Laval (Sweden), Hyundai Heavy Industries (Korea), Wärtsilä Water Systems (England), BIO-UV Group (France), Samsung Heavy Industries Co (Republic of Korea), Techcross (Republic of Korea), Optimarin (Norway), TeamTec Ocean Saver (Norway), Sunrui (China), Ecochlor (USA), Erma First (Greece) and Alfa Laval Tumba have won the USCG type approval.

The status of approved and under review applications is as follows: