.,- . . L Pa& , DCSp.N~ From of sl- WICLASSIP!IBB , (Classijcatwn) -4! 1 &’” f No& No.-u “F~ I “ Accwuuht iom SxBboa e substance, The most dangarcnm raW3aettv9 partiulea* an atomic exple- Thi8 isotope Iodgea $t-lf 8, cawing internal ~oph , i~ ia Slon Contaia Steomtim w. S.at*&tQ snbatance Of ~ be said in the ~ ~ SW aceumulat % nrnbar ef atomic Americaa and the Brit ah xwports. W$th the present Zests It is cxpested that thts will net have detrhental effects~ Mdiawmo tho bone8 of 9 b&t:t~tn incraasa In the number of tests every year this aa~ be WSth atomic exploshas very little strontirn90 3s formod- The 2sotopa~ howevar9 has a very long Mfe. The S@ rsductionpariod is 2$ years ~ This means that the radioactivity%s reduced to half ti the courso ef this time* said W. Xvindea. L.“ . . ...?-.-. .*. I

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