1. An Introduction to Polychlorinated Biphenyls Structure and nomenclature of Poly- chlorinated Biphenyl (PCB) congeners. J. Chiarenzelli, Department of Geology, State University of New York, Potsdam, New York13676. Chiarejr@potsdam.edu and 315-267-3401.Chiarejr@potsdam.edu Geology and Human Health Chico Hot Springs, Montana May 12 –16, 2004

2. Left. Extraction of PCBs from sediment sample utilizing steam distillation. Steam extraction minimizes solvent usage. Center. Photograph of a gas chromatograph mass spectrometer (courtesy of Mike Milligan, SUNY Fredonia). Right. Diagram showing the range in solubility of PCB congeners with chlorination. Congener-specific gas chromatogram trace of Aroclor 1248 courtesy of James Pagano, SUNY Potsdam).

3. New York State Department of Health’s annual sport fish consumption advisory; pink locations based on PCBs.. Cartoon displaying poleward transport of POPs.