The Evac Evolution Ballast Water Management System (BWMS) has received Type Approval from the U.S. Coast Guard (USCG).The system is manufactured by Cathelco, now part of the Evac Group, who attained USCG Alternate Management Systems (AMS) acceptance for their original BWMS over four years ago.When it became apparent that the USCG’s definition of ‘non-viable’ would become the universal standard for testing systems, Cathelco redesigned their equipment and embarked on another round of land-based and shipboard testing which was successfully completed last autumn.This is the first U.S.