Perfluoroalkyl contaminant exposure in tree swallows nesting at Clarks Marsh, Oscoda, MI Dataset
A site in north eastern MI, Oscoda Township, has some of the highest recorded exposure in birds to perfluorinated substances (PFASs) in the U.S.  Some egg and plasma concentrations at that location exceeded the lowest reproductive effect threshold established for two avian laboratory species.  The objectives of this …