Friends of the Earth have done a great chemicals and food report. It also covers food  irradiation. http://dev.foe.org.au/sites/default/files/dosemakespoison.pdf At the moment, there is a big “behind the scenes” push to promote irradiation as the alternative to pesticides.  Apparently there is to be a  “phase out” of Dimethoate and a review of Fenthion.  ( ooo yuk, not…