“Cancer-causing” tar balls can “work their way up the food chain” to humans via tuna, mahi mahi, wahoo

Scientists monitor crucial seaweed for tar, Sarasota Herald, September 12, 2010:


The cancer-causing hydrocarbons in tar balls also can work their way up the food chain into fish that land on dinner plates at home, such as tuna, mahi mahi and wahoo. ...

[T]ar balls never really become safe, said Michael Hirshfield, chief scientist at the environmental group Oceana.

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