Here are test sites where samples of sediment and examination of marine life indicated high levels of contamination from a majority of the 11 chemicals under study. The study was conducted between 1984 and 1989 by the National Oceanic and Atmospheric Administration.

MassachusettsSalem Harbor.

Boston Harbor.

Deer Island, Dorchester Bay, Hingham Bay, Quincy Bay (all part of Boston Harbor).

Connecticut

Sheffield Island (part of Long Island Sound).

New York

West Long Island Sound.

Mamaroneck, Hempstead Harbor, Throgs Neck (all part of Long Island Sound).

Jamaica Bay, Upper Bay, Lower Bay (all part of Hudson-Raritan Estuary).

New Jersey

Raritan Bay (portion in Hudson-Raritan Estuary).

Raritan Bay.

Sandy Hook (part of New York Bight).

Maryland

Baltimore Harbor.

Virginia

Elizabeth River.

Florida

Watson Bayou (part of St. Andrew Bay).

Shirk Point (part of Choctawhatchee Bay).

California

South San Diego Bay.

Harbor Island (in San Diego Bay).

North San Diego Bay.

Long Beach.

San Pedro Canyon.

Royal Palms Park (in Palos Verdes).

West Santa Monica Bay.

Washington

Elliott Bay.