Abstract
The Symposium, held in Vancouver, Canada, on 17 – 21 September 2006, was organized by the Environmental Mutagen Society, and it was their 37th Annual Meeting. Sessions were chaired by Drs W. F. Morgan and J. L. Schwartz, and papers were presented by Drs R.C. von Borstel, D. J. Brenner, J. L. Redpath, B. E. Erickson and A.L. Brooks.