ANAS: HEAVY METALS IN SEALS 



mercury in San Miguel Island seals appear to 

 differ significantly from those from the Pribilof 

 Islands. Except for the one seal with 700 ppm 

 mercury, the amounts of mercury found in 

 harbor seals from all areas studied are within 

 the range of those found in livers of fur seals. 



ACKNOWLEDGMENTS 



The staff of the Division of Marine Mammals, 

 Northwest Fisheries Center, National Marine 

 Fisheries Service. NOAA, collected the fur 

 seal samples for this study. T. C. Newby, 

 College of Fisheries, University of Washington, 

 Seattle, Wash., helped collect the harbor seals. 

 C. H. Fiscus, H. Kajimura, and A. Y. Roppel, 

 Division of Marine Mammals, assigned ages 

 to the fur seals. 



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