~3would be required to produce observable effects in the nopvlation. The U. S. Government égencies have been continuously concerned with maintaining ithis condition of very small test radiation hazard and have never neglected study and action to reduce it. I do not mean to say that there is no risk at all, What I should like to demonstrate to you is that the risk is extremely small compéred with other risks whichpersons everywhere take as a normal part of their lives. t the same time, I ask you to weigh this risk against what I be-~ lieve would be the far greater risk--to freedom-loving people everywhere in the world--of not maintaining our defenses ggainst the totalitarian forces at large in the world until such time as safeguarded disarmament may be achieved. Of course, a workable, safeguarded system of international disarmament is a parénocunt objective of the United States Government, and one which we and hope and pray will bé achieved. must work for To 50 into ere cetail on the question of risk from vorld- wide radicactive fallont, there are tio pessible haserdse The rirst is the genetic hazard @ue to radiation of the rep:oductive orsans Ly penetratin gemma radiation, and the © sond is the hazard due to the irradiation of the bones by -ssitmilated strontivn-90, teken up largely through food. These to possible hazards shovld not be confuceds there is no reason to fear genotic hezard fiom streatiume $0, since it éccumulates in the bones and does not appreciably ivradiate the ieproductive organs. i OF id the degree of these enount of radiation do: unt of rediation cos omnent. In this way, it 2p0ns testing int (wD e ma Op Ha oO OD by <! be cl Byob a we r QO yu cory n s made, it becones i énd have in cur Givaty vsery ituch larger b kK inte }—+ wo my oO : ao oO or s cr yt ) ad , CF 4 ble ia} —e < we OO veen this kind of aprarent thet ve all carry srs ond ss 28, mounts o Ssose derived from reci nines because of the ko a] 3 > f netural réadicactivity in ig possible to put the ‘hae thie context of noimel t oO ch ch 8 9 Qa iw S mS cr te maa a mo wo M D om i hn nownally received by all cs Toot fat we wo In order to un a: it is necessary to comp & r received from fallout wv 1 oaL + t .