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March 3, 2021
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Ballst Battle
(2008-07-11)
(wgvu) - Environmentalists and shipping
interests are debating federal proposals for reducing the foreign
species invasion in the Great Lakes.
The U.S. Environmental Protection Agency is taking public
comment this month on a plan to require saltwater ships to dump
their ballast water before entering the Great Lakes ... or rinse
the tanks with salt water if they're empty.
Many of the 185 exotic species in the lakes, such as zebra and
quagga mussels, are believed to have arrived in ballast water.
But environmentalists say that plan is too weak. They favor
legislation pending in Congress that would require ships to install
systems for killing organisms in ballast tanks before the water is
released into the Great Lakes.
Shippers say they also favor ballast water treatment but need
more time to develop the technology.
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