a nr
RADIATION STANDARDS, INCLUDING FALLOUT
3-0
TTT
159
TTT
——— 30 yeor
—-- 70
yeor
7
vue edadadon
qhyehebes ge cht ltgs
SEE eae beh od 2 SERSSBI SSERESTOSOURL,
oO
RATIO OF SHORT-LIVED FP/cs!9?
o
URE
0.1
O
}ef
!'
2
ft
3
4
5
6
7
8B
9
tO
MEAN STRATOSPHERIC
RESIDENCE TIME (years)
Ficure 2.—Ratio of dose from short-lived fission products to that from Cs” as a
function of mean stratospheric residence time,