Bay contamination could affect food chain.(sediments)(Brief article)

Weatherwise, March, 2007

NOAA has released an online report stating that the Chesapeake Bay has pockets of water that are contaminated by sediment from windblown dust, storm runoff, chemical spills, and direct discharge. For the report, titled "Magnitude and Extent of Contaminated Sediment and Toxicity in Chesapeake Bay," researchers from NOAA's National Centers for Coastal Ocean Science examined sediment samples collected between 1998 and 2001.

The areas sampled included the bay and its tributaries, the Potomac and James rivers. [ILLUSTRATION OMITTED] In addition to studying sediment samples, the report examined the relationship between contaminant levels and toxicity and the impact they have on the benthic community in the affected areas. Benthos are organisms that live in...

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