1. hormonal disruption in target species. surement of tissue concentrations or other
2. Multigenerational testing of contaminants measures of bioaccumulation in target
3. is also a priority although few such assays organisms. For example differential
4. are currently available for wildlife. trophic distribution of contaminants Recent progress has been made in through the food chain is of great impor
5. quantifying the effects of contaminants and tance for persistent hydrophobic com