Sentences with phrase «about ballast water»
Not exact matches
The problem was about 90 percent of the ships arriving in the Great Lakes from foreign ports at that time came fully loaded with cargo and therefore did not officially carry any ballast water.
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To find the presentation abstract, search here for «ballast» Ivor Knight's home page Gregory Ruiz's home page, with information about marine invasions and the National Ballast Water Information Cleariballast» Ivor Knight's home page Gregory Ruiz's home page, with information about marine invasions and the National Ballast Water Information CleariBallast Water Information Clearinghouse