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Pacific Northwest salmon poisoning killer whales http://apocadocs.com/s.pl?1232975834
Killer whales that feast on salmon in the Pacific Northwest are getting a heaping side of contaminants with each meal. The chinook salmon are heavily dosed with chemicals such as DDT and PCBs, nearly all of which the fish acquire in their years at sea, reports a new study in the January Environmental Toxicology and Chemistry.... Salmon are known to deliver pollutants, especially PCBs, to coastal, freshwater and terrestrial ecosystems. PCBs are a kind of endocrine disruptor, known to interfere with development, meddle with immune system function and cause a host of other problems. . The Environmental Protection Agency banned most uses of PCBs in 1979; but the chemicals had been widely used in coolants, pesticides, plastics and other products and are extremely persistent in the environment, cycling through the food web for decades.
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[Read more stories about:
marine mammals, toxic buildup, PCBs]
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