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APR 3 1970
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COMPARISONS OF LEVELS OF ALPHA RADIOACTIVITY IN SOIL
Date
pci/g Soil
239py
SRP (onsite)
1969
0.38-0.46
Alpha
ATI (onsite)
1969
0.04-3.0 (avg.-0.4)
2395,
1968-1969
0.01-0.08
239 Pu
RF (offsite)
a4
NTS-12 (onsite)
"
NTS-11
"
2.9
"
NIS-20
"
1.3-3.1
"
NTS-10
"
0.2-854
"
NTS-5
"
1
LL
1
.
0.02-0.20
“1964
:
.
2239p,
.
Bikini Tslana*
"
.
"
969
107) duplicate
tt
130
"
6
"
Lio
"
'"!
tt,
27
w
tt
n
a
.
Location
< 0.4
'
|
Radionuclide
1970
:
7
.
HT
.
.
130) duplicate
£3) duplicate
Hi
;
.
*) duplicate
Ww
tt
"
"
.
.
.
n
tt!
1
4
tt
238
tt
238
Pu
Eneman Island
tt
n
"
220
tt
tw
11
1
Pu not detectable in these samples.
:
"