Ausuze:
Toes:
Average activity for 30 minutes 12 0.6 ue at FX43 te B¢3’ hours
(lose reference appendix bh.)
‘
9.5 2 2.2 % 13° x3U 33.3 x 2! disintegretion:/30 minutes.
at surface of Imaginary sphere 1.9 mr in radius the dose rate is
2.52 x LO BASE
disintegration
(cee Appendix E}
(3.2 x 107) (2.52 x ic™) = €.3x 10? mrers/39 min.
ow
.
=o or6)8/30 mimk:
DOE/NY
Wwe ee