~ 29 =
1,
If the residual stratospheric content ware to be depoeited with wiilfarn distribution over the surface of the
earth.
2. On the assumption that fallout of the residual (1956)
atratospheric content would have the same geographic
distribution as the previous stratespheria fallout.
3 On the assumption that 82-90 injected near the equator .
may be noving northward and entering the tropeaphere
preferentially above XN, in sush a manner that the
fraction of the stratespheric eontent Zalling out in
these latitudes is increasing with tine.
paoeecerony ae
Radiation exposure to the population as a whole can be categorised
as follows:
Natural sources af exposure te gonads (sea level)
232/30 yra.
Gonadal dose in U.S. from fallout “at present
rate of testing” (0.02 0.0.5 r)essccccceseeeee
Ool3r/30 yrae
S90 dose to bone in 1975 to inhabitants af
northeastern U.S.A. from present rate of
LA
4
testing continued through 19465 .sscocscesceses Oc0l to 0.07 r per yr.
Lote, DY 1975 the dome to bone sesccrossescessee
0.3 to3.1¥