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Kansas Warn Against Contaminated Fish

US - The Kansas Department of Health and Environment and the Kansas Department of Wildlife and Parks are issuing revised fish consumption advisories for 2009.

The advisories identify species of fish that should be eaten in limited quantities or, in some cases, avoided altogether because of contamination found in tested fish, reports Kake.com.

The online news organisation reveals that the advisories include guidelines for mercury and polychlorinated biphenyls (PCBs) in fish, perchlorate in fish and other aquatic life, and lead and cadmium in shellfish. Data from most Kansas long-term monitoring sites show a decrease in PCB levels and no trend in mercury concentrations. PCBs have not been in use in the U.S. since the 1970s, and chlordane use was discontinued in 1988.

Chlordane levels have declined dramatically statewide, and PCB levels are expected to follow. PCBs and chlordane degrade slowly, so it takes decades for them to be completely removed from the environment, even after use is discontinued.

the Fish Site Editor

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