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BONNEVILLE — The “Do Not Eat” advisory may expand downstream of Bonneville Dam as scientists clock dangerous levels of chemicals in nearby fis…

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Bradford Island has been added to the National Priorities List by the U.S. Environmental Protection Agency (EPA), making it a Superfund site. On March 17, the EPA announced it would take action against the dumping of toxic chemicals known as polychlorinated biphenyls, or PCBs, into the Columbia River. The island is part of the Bonneville Dam which is operated by the Army Corps of Engineers.

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SALEM — Health officials in Oregon and Washington said Monday that people should protect themselves against mercury and PCB contamination by limiting consumption of certain fish species from a 150-mile section of the Columbia River.

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SALEM, Ore. (AP) — Health officials in Oregon and Washington said Monday that people should protect themselves against mercury and PCB contamination by limiting consumption of certain fish species from a 150-mile section of the Columbia River.