Other types of ballasts include electronic ballasts, magnetic ballasts, fluorescent ballasts, high intensity discharge (HID) ballasts, and metal halide ballasts. Ballast manufacturers are located ...

It said more than 30% of all installed ballast water treatment systems (BWTS) fail Port State Control D-2 compliance ...

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.