-21those comments, tna commen.is of Dr. A. referenced by Geesaman, B. can be added Long: » . . there is an urgent need to dispell the sense of security and certainty that the present limits for the 7>..ximum permissible lunq burden and the maximun permissible air concentration bring . . . the public shoul: be informed of the uncertainties that exist in these limits."34 " Vie Biol-zzical Data Related to Cancer Risk from Insoluble Plut:nlum Particles We have shewn that insoluble alona-emitting particles wit in untense but localized radiation. They can irradizte vary Ric. doses without being organism- or organ fatal. said th: t the available biological data strongly suggests inst 3a DF=2: crossly underestimates the DE rticulat:: of Pu-239, vr th ito or insoluble and consequently, the derived stance-rds ~3 and Mil, for this radionuclide are greatly in error. nex turr intense Davant is to the experiments involving cancer induction local exvosure, since these are especially judging whether or not insolubie alpna-emitting. marcticles tinstitutea a unigue r sk. |+ N\ To -’ Geesaman collacted “a analvzel the sertinent experiments, and what follows == Ong, +68 Go. cit., p. 73.