Therefeanother factor, Dr. Comar, if you assune that i beginning ‘the aecepted value of approximately threeis based primarily on oceupational exposure, hovever, International Committee on Internal Dose has not been the case of uniform deposition and use the value of i al you are aaking the comparison directly with radiua. [ indicates here but is nade experiuentally on enall » 10 is truge +t What does the comparison say? The eoaperison mys that one aicrocurie of strontivs is-- the Fatio of ae the effects of stroatian and radius--are the sane as the detio of a dcse” of 1 aicrocurie of stroatiua te one-tenth of radium. | thal is, the ratie of ten to one activity. Those are the experizental resal oa saalt? ensizals ag best as ve can interpret the, yf Well, se this ie so, this, I think, contradicts everyt hearddefore, namely, that concentrated fonizationis ve that I have mush more effective‘than dilue fonization, It contradicts, for insthoce, the statement which {s usually made adout neutrons being much than gaewca rays, and eo I wust say I just don't unde effective hoy this could be. v«émRB;SA May I esk if you have taken the exergy of the ytirjua dsughter into account? Denartyp , ad ci :