The tasting of mucleur
in emvivoments! rediosetivre conbemingéion
%
7
Pers
a
fhe desree of contamination
=
>»
>
oF tor.atwilds
portions .
EPops
varies wihh tha ce
2aGLOU 3
depending primarily woon its position relasive
feo
ot
eon
bo Ene berPRE aibec
smoumt of rainfall, and the Jabitude 11).
yoriotion of fallow.
deposition with latiGude is
Phe
vated in Fifuse
9
db. >
pattern holds teve for fallout coming from
She primary souree of world—ide
Of the many readicelens
Fou
BED. ion preeeass
in the 7 a
SB of their
Cs2>7 have been examined moat ghoroughniy begeut
ce
s}
yield, long radioretive haif lives, and oks
chewie Be
Ae
>
PLORSL
readily permit antry into the bicsonere, inciadEL
Me
wi
factors relevant to the processes yaoreby these sadtoisoss23
he
aye
eRresr
the food chain and sre jeposited in the human body hevye been
qualitatively asse seed (2,3).
The body burdens
of sx20 end ca?
have been measured as a function of time, and thus $0 Padiabion doses
arising from such internal deposition may also be determined (4,5),
A second soures of radiation also exists, nemoiy thas which 43 due
eG geimarenitting Tesion products external to man, yet capable of
delivering to man, 2 doso often wenyfold greater then thet due to ge7F
an
ani Cs" combined,
This presentation will be eomcurmed with this
external dose, its m= sumrenent, veriation with time, and hoy 1t
compares with the dvee from natural background radiation.
NOE ARCKRIVES