NOBOB

AcronymDefinition
NOBOBNo Ballast on Board (ballast water; shipping)
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References in periodicals archive ?
However, those ships--called NOBOBs, for"no ballast on board'--still carry dozens of gallons of water at the bottom of their ballast tanks.
Since the mid-1980s, roughly 90 percent of saltwater ships entering the Great Lakes have been NOBOBs, Reid says.
Guidelines now recommend that NOBOBs flush their ballast tanks with salt water to kill freshwater stowaways before entering the Great Lakes.