The Challenge for Risk-Based Decisions
 
 
Integration of risk-based decisions into the existing regulatory programs
- enforceability of institutional controls
- how to define an enforceable restriction on land use to ensure that use will not change or that a new owner will perform the appropriate corrective action if the land use does change.   
 - the extent and the mechanisms that can be depended upon to provide reliable and permanent control.
 
 - technical policy decisions