261
There's no significant difference in
the number of anomalies between the irradiated and expcsed
-
at the levels as far as we have gone,
FREMONT-SMITH:
nw
WwW
=
DONALDSON:
DONALDSON:
No significant increase one way or the
or
0
other,
TAYLOR:
TAYLOR:
10
DONALDSON:
au
WARREN:
12
DONALDSON:
13
14
No increase?
What is the LD-50 dese for a salmon?
DONALDSON:
AYRES:
An acute dose is between 450 and 500 r.
You'regiving them about 500 r, aren't you?
Chronic exposure.
Daily,
We'll give 500 r this year.
That's a time when cell re production is
rather rapid, though.
15
DONALDSON:
16
WARREN:
That's right,
At their rate of m@éximum growth and change.
17
Presumably this should be the most sensitive period, shouldn't
18
it?
FREMONT-SMITH:
20
21
AYRES:
The most vulnerable pericd,
On the other hand, recovery can be more
rapid.
22
TAYLOR:
23
LANGHAM:
Why don't they ali die, is what I'm asking?
It's the dose range.
There's a lot of
24
difference in giving 4 dose in five minutes and over a hundred
25
days.
26
TAYLOR:
Is it a factor of 2?
27
DUNHAM:
Your monkeys all had lethal doses, as you
28
Showed yesterday,
29
30
31
32
33
LANGHAM:
Yes,
And the prompt lethal dose of the
monkeys is about 550 r.
FREMONT-SMITH:
Please, gentlemen, don't have a
private conversation because it makes it impossible. Stafford warren
UPTON:
DOEMUCLA
I think a smiliar experirent has teen in
62