Only the ythius. That is ementially just the ythiua. Wail, ve took. 2,000,000 volts maximum beta ray energy vhich, unde ad, ytbius osber and that is about 600 kilovolts average er ~aeonte Be is the ey, maybe it is 900, but I certainly von't arguecabogt 50%. e CLAUS: Doesn't a good deal depend here on what you vact to use this figure fort | The accepted pernfasible body burden of 1 microcurie preguasbly has the safety factor of ten, so if ve are attenpting to keep tha average loed of body burden @f the population down to an absoiute safd figure, shouldn't we stick to the i mierocurie figuret If you have some other purpose is mind, then probably ten is more realistice than 1. | = 1 x Well, I wanted to get a figure which could be cospared which are commonly used other than a figure which ies td other figures, taken more or less 4 “: Taree hundred ar por weekis probablynot es fira a uicrogran of redius. ad d as cos-tenth That is cae Rigure couparison--that is vhy ve like in these internal exitters to go along the one-tenth alicrpgram radius stanfard rather than the gauem nusbers. | BETHE: Nov as fer a6 @ nomunifors distribution {s concerned, I wink you will be all right as soon an you talk about a level of strontilx relative to calciua vhich is being absorbed rather than about total sour of strontium, and I think {t {s fmportant to try to elininatls the campounded Depart ont of Energy Histomien’s Office ARCHIVES Fo ten | FF safe, » Tails 19 also supposed to be 1 hundred ar - per week, too, iaa't there! = oe Well, there provably is a safety factor of ten in the thie weaee aay) . fe, + Robere! ak ‘ *, tad i “ : fr +e a see phe: by arbitrary agreenent. teh a te ba BETER!