1. Wadsworth Center, New York State Department of Health, and Department of Environmental Toxicology and Health, State University of New York, Empire State Plaza, P.O. Box 509, Albany, New York 12201-0509, Dipartimento di Scienze Ambientali, Università di Siena, I-53100 Siena, Italy, Department of Environmental Chemistry and Ecotoxicology, University of Gdańsk, Gdańsk, Poland, Departemento de Oceanografia, Fundação Universidade Federal do Rio Grande, C.P. 474, Rio Grande RS 96201-900, Brazil, Shimadzu...