RADIATION STANDARDS, INCLUDING FALLOUT
67
Cs-137 surface air concentration Argonne Natl. Lab.
BD
aoe&F
i>
Gs
wo
(P. Gustafson)
1958-59 FALLOUT FROM
1958 USSR TESTS
1961-62 FALLOUT FROM
IS61 USSR TESTS
fata a Tae ee tae
—_—_
eo
10” curies per cubic meter
90
OTN ToT PT RFUMbP a WPI trai rads
FIGURE 10.
MACHTA MODEL
Thousands of feet
100
AFTER BREWER -BOBSON
80
60
MEAN TIROPOPAUSE
40
20;-
oorCOU
l
SUMMER
|
FIGURE 11.
i
|
ty ee ate Dae ay BD aay
Sete
‘siebiedticiphachgRNRTRINH SARSARASRRECRMaRTe
1960-6) TOTAL FALLOUT
30° BO" 90°
WINTER