. .
B.
BEIR-111
1.
Cancer
(Table V-4 of Typescript Edition)
Lifetime Risk of Cancer Death
(deaths/ 106/rad)
Single exposure to
Continous
xposure
to 1 rad/yr
10 rad
Absolute
Relative
Absolute
Relative
L-Q, ~
77
226
67
182*
L-L, ~
167
501
158
430*
Q-L, ~
10
28
---
---
Model
*
In printed version these were 169 and 403, respectively.
the risk coefficients
2.
that were derived for continuous
We used
exposure.
Birth Defects--pages
166-169 (mean parental age = 30 years)
1 rem per generation
(1 rem parental exposure)
per 106 live off-
spring 5 to 75 birth defects, this is 0.0005--0.0075%--First
generation.
Since the spontaneous rate is given as 10.7%, in the U.S. population, 1 rem will increase the rate from 10.7% to 10.7005--10.7075%.
In terms of the spontaneous rateolo:~~
per generation 9ives 0i~”~5 =
0.000047 = 0.0047% increase and -=,.,7
IV.
0.0007 = 0.07% increase.
CALCULATIONS OF RISK
Table 1 gives the radiation dose values provided
in developing
A.
by Dr. Robison for use
estimates of increased health risks in the Bikini population.
Risks for 14