2.
Birth Defects Risks
Table 3 gives the calculations
B.
for the estimates of birth defects.
Risk Estimates Based on BEIR-111
Table 4 gives risk estimates based on
were calculated for comparison
Bikini book.
BEIR-111 risk
coefficients.
These
purposes(’only and were not used in the
The highest estimates for cancer risk result from
using
the linear relative risk model and are about the same as those given in
Table 2 for the relative risk model.
the linear-quadratic
absolute risk model and are slightly less than those
for the absolute model in Table 2.
risk are concerned,
Thus, as far as estimates of cancer
those obtained using risk coefficients
are in the same general
from
The lowest estimates result from
from
BEIR-I
range as those obtained using risk coefficients
BEIR-111.
Risk estimates for birth defects obtained using the risk factor from
BEIR-I gives
values
about three
times those obtained using the upper
value of the range of risk factors given in
BEIR-111.
If BEIR-111
risk factors for birth defects represent a more enlightened assessment
of this potential consequence of radiation exposure than the factor
taken from BEIR-I for overall health defects, then the estimates in
the Bikini book may be conservative
by a factor of three.