It said more than 30% of all installed ballast water treatment systems (BWTS) fail Port State Control D-2 compliance ...
868 (20) adopted November 27, 1997. One is to empty a tank until suction is lost and pump in clean ballast water. The other is "Overflow Through Method" by pumping ballast water into the tank and ...
More than 30% of the systems currently fail port state control D-2 compliance inspections, despite 95% of them having successfully passed commissioning tests, according to BIO-UV.