224
THE SHORTER-TERM BIOLOGICAL HAZARDS OF A FALLOUT FIELD
DISCUSSION ON TOPIC V
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RUSSIAN
U.S.(PACIFIC)
U.S.(CONTINENTAL)
Egmeld et
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1955
1956
Fiaven 2.-—-Cattle (853 samples), and human (1,165 samples) thyroid levels of 1-131.
w ne LL. (CATTLE)
se LA. (HUMAN)
efforts, and perhaps especially their efforts to
get more data on long-lived animals, primates,
oa BRITISH
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ve aeeeeae 4
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1955
sentence, it is quite a mess.
The problemis,
as always, lack of adequate data, and especially
does this apply lo human data.
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Oct
1956
Frauns t.---Total dose 1-131 during 81 months.
Dr. Lanaaam. To summarize the status of
the problem of internal emitters in one short
Ap
eens aae
tl
(1955-1946).
T would like to more or less summarize the
status of internal emitters by really pointing
out where our lack of information might lie
in hopes that it will stimulate the experimental
radiobiologists, primarily, to increase their
28X10™mW8.4107"
I=73hRBE) N“ZSE(RBEN
andespecially man.
T would like to put on the board the basic
formulae from which Dr. Morgan has worked
3.5 1078q fe
(MCP) =FG"
oy
and tables of numbers. From these formulae
one can sce the very inadequacies in our data
(MPC) 0
s0 diligently the last few years to get us tables
which, if supplied, would allow us to put the
whole subject. of internal hazard on a somewhat
more sound basis.
0.1(0.99)
162
I=}, ~ SERRBEYN
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~2E(RBE)N
=... OmW
PNPB.TK IX LEXI
6.05 X 105f,2E GBEN|
3.1107 tq
fe
q= maximum permissible body burden
W=0.3 rem/week
m= mass of critical organ (g)
f,efraction in critical organ of total
in body
ZE(RBE) N= weighted energy absorption term
given by equation C,
(MPC), maximum perniissible concentration in air (ue/e.c.)