CHARACTERIZATION OF POLYCYCLIC AROMATIC HYDROCARBON BIOAVAILABILITY IN ESTUARINE SEDIMENTS USING THIN-FILM EXTRACTION

Christopher J. Golding, Frank A.P.C. Gobas, and Gavin F. Birch

It is well documented that the bioavailability of hydrophobic organic chemicals (HOCs) can vary substantially among sediments. This makes risk assessments based on total sediment concentrations problematic. The present study investigates the application of thin-film solid-phase extraction to measure bioavailable concentrations of phenanthrene i...

Abstract | Full Text | PDF (102K)

Developing Methods to Assess and Predict the Population Level Effects of Environmental Contaminants

John M Emlen and Kathrine R Springman

The field of ecological toxicity seems largely to have drifted away from what its title implies—assessing and predicting the ecological consequences of environmental contaminants—moving instead toward an emphasis on individual effects and physiologic case studies. This paper elucidates how a relatively new ecological methodology, in...

Abstract | Full Text | PDF (154K)

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