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From
of
sl-
WICLASSIP!IBB
,
(Classijcatwn)
-4!
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f
No&
No.-u
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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