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Keeping copper off boat bottoms. (The Beat).


Boaters use copper-based paints to protect their boat hulls from barnacle barnacle, common name of the sedentary crustacean animals constituting the subclass Cirripedia. Barnacles are exclusively marine and are quite unlike any other crustacean because of the permanently attached, or sessile, mode of existence for which they are highly  growth, which can reduce fuel efficiency and cause engine problems. But when docking areas aren't well flushed of toxicants by water currents, copper can accumulate Accumulate

Broker/analyst recommendation that could mean slightly different things depending on the broker/analyst. In general, it means to increase the number of shares of a particular security over the near term, but not to liquidate other parts of the portfolio to buy a security
 in marina sediments to toxic levels. The University of California The University of California has a combined student body of more than 191,000 students, over 1,340,000 living alumni, and a combined systemwide and campus endowment of just over $7.3 billion (8th largest in the United States).  Sea Grant Extension Program is educating marina and boat owners about alternatives to copper-based paints and creating an economic incentive program for California boaters who use less-toxic alternatives. The best of four alternative paints currently being tested is a two-part epoxy epoxy

Any of a class of thermosetting polymers, polyethers built up from monomers with an ether group that takes the form of a three-membered epoxide ring. The familiar two-part epoxy adhesives consist of a resin with epoxide rings at the ends of its molecules and a curing
 paint. This alternative is more durable than copper paints, a factor that could save boaters money.
COPYRIGHT 2003 National Institute of Environmental Health Sciences
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Author:Dooley, Erin E.
Publication:Environmental Health Perspectives
Date:Apr 1, 2003
Words:103
Previous Article:Birth defects: no clear landfill link. (The Beat).
Next Article:Bringing science to justices. (NIEHS News).



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