Sentences with phrase «ballast water before»

These biological time bombs were meant to be defused by a UN treaty agreed in 2004 requiring big ships to filter and disinfect ballast water before dumping it.

Not exact matches

Worried that the ferry might suck the rapidly spreading virus into its ballast tanks while docked at the mainland, she asked if there were any way to disinfect that ballast before it was released into park waters.

Ships are required to manage their ballast water so that any aquatic organisms and pathogens are removed or rendered harmless before the ballast water is released into a new location.

Sixty years passed before the placid waters around Ballast Point were again disturbed by deep - sea keels, when Sebastián Vizcaíno anchored on November 10, 1602.