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Ballast Water Management to Combat Invasive Species (CRS Report for Congress)

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Release Date Revised April 10, 2012
Report Number RL32344
Report Type Report
Authors Eugene H. Buck, Specialist in Natural Resources Policy
Source Agency Congressional Research Service
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Summary:

“The 111th Congress may elect to consider legislation that has been introduced to amend and reauthorize the Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 to establish vessel ballast water management standards and modify how ballast water is handled. In recent years, many people have become increasingly aware that the globalization of trade, the increased speed of travel, the massive volume of cargo shipments, and rising tourism have combined to increase the chance of accidental introductions of foreign species into the United States. Aquatic species arrive through a variety of mechanisms--unintentionally when attached to vessel hulls or carried in vessel ballast water and intentionally when imported for aquaria display, as live seafood for human consumption, or as a transplant to increase sport fishing opportunities. The arrival of zebra mussels in the Great Lakes and their subsequent damage to city water supplies and electric utilities has focused significant attention on ballast water discharge by cargo ships as a high-risk mechanism for species invasion. New management efforts attempt to address this concern. In late August 2009, the U.S. Coast Guard published proposed regulations to establish quantitative standards for ballast water treatment. The proposed standards would initially follow standards developed by the International Maritime Organization. In a subsequent phase, the quantitative standards would become much more stringent, given sufficient technological development to support achievement of the higher standards. The proposed Coast Guard standards would not preempt existing state ballast water management standards. This report provides background on various approaches to ballast water management and reviews current ballast water management laws and programs.”