RADIATION STANDARDS, INCLUDING FALLOUT
65
LATITUDINAL DISTRIBUTION OF SR-90 FALLOUT
60
TOTAL TO MID 1961
_
SR-90 me/mi’
90+
n
cS
I
PotAgs Tate ae teeny es
USSR
FALL 1958
|0
US 1958
PACIFIC
ieisiscreigRoRtegiePheARHORGaBEETRRROE
q0°60" 30°
N
B., OF 4
i Be vet
_ .,
ot
.
FIGURE 6.
60°90°
Sr—90 Fallout
Northern Hemisphere 1959
*
oe 0.15 a
oeSPRING “MONTHS |
:
ber month
.
Ob
Megacuries
30°
5
USSR.- 73.9%.
WH 13%.
OTHER - 14%
TOTAL ~ 100%
TOTAL
0.05
Aha ey Oto an
*
aga wo
oe
J FMA
TTA SOND
FIGURE 7.