Abels and Kreuger since 1949; seven from Europe and five by an “ardent group -~ Kraus and Bond®, which makes a total of twenty-two, There have been no additional re= ports of accélereted produced cataracts to my knowledge since 1951. And particularly the 6th Conference on radiation cataracts aid not report any additional cases which perhaps indicates that something successful ie being done in combatting this problem, The accelerated vrogram of the Health and Safety Laboratory has included a total of 30 accelerators on the East Coast to Berkeley, It's included four major synchroe-cyclotron sites; 4t included a large proton lineal accelerator at the University of Minnesota, 10 cyclotrons and a miscel- laneouge number of generators, betatrons, electrons, synchrotrons, The survey is established through the local Operations Office, In our own © case it will be done through our authorized representative; in the event of remote places such as, let us say, the University of Indiana, Purdue or Illinois, it's done through the Chicago Operations Office, por a