|4OaT

PERCENTAGE LIFE SPAN SHORTENING

PERCENTAGE LIFE SPAN SHORTENING

t :

p=

An

T

ae

X- FIND GAMMA-RAYS

TA 2!
[A
2)

SINGLE ACUTE EXPOSURE
ALL SPECIES
¢
¢

ba

T

WH

oT

C

¢

R

co.

2a 7

Pe

°

-

cee

ee R

.

th

et on
or

o¢

A

o

R

+
20H

{
a 74 Pa
DOSE

t
Ba

{
AoA

{
| Ane

<RAD >

Figure IV.

Dose-effect data for ltfe-shortening tn various mammaltan spectes following

acute stngle exposure, compared with the response of the mouse.
The dotted line is the best fit to the data for the mouse in Figure II, as in equ. (6).
Vartous experiments.

Select target paragraph3