Notes

1. IJC 1970



2. U.S. EPA 2003



3. COA 2002



4. NRC 2001



5. NRC 2001



6. U.S. Policy Committee 2002



7. SedPAC, 2002



8. NRC, 2001



9. U.S. Policy Committee 2002



10. SedPAC, 1997



11. Reynoldson et al., 1995



12. NRC, 2001



13. USEPA 2001



14. Milwaukee Journal Sentinel, 2002



15. Krantzberg et al., 1999



16. COA, 2000



17. U.S. Policy Committee 2002



18. COA 2002



19. U.S. Policy Committee 2002



20. Krantzberg et al., 1999



21. COA 2002