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Appendix Table 1
Potassium-40 and Cesium-]37 in Plants from Christmas Island, August 1975
Radionuclide, pCi/g, dry®
Sample Type
Copra
Coconut meat
"
miTk
Location
40,
1375
Composite
5.6 + 0.6
0.04 + 0.02
London
6.1 + 1.2
0.07 + 0.04
4.1 + 0.1
"
"
meat
Northeast Point
"
meat
UW-3
"
meat
Paris
“milk
"milk
Portulaca leaves
"
"
Scaevola leaves
16
0.13 + 0.02
(green)
BW site
"
"
(dry)
Messerschmidia leaves
Grass
0.04 + 0.015
0.05 + 0.03
X-site
"
"
"
"
6.4 + 0,5
ns
0.10 + 0.04
ns
Airfield, wash-sump
(dried)
0.04 + 0.03b
16
0=6+ (0.7
7.34 1.5
(green)
"
3.7 +.0.55
U.K. Beach
Northeast Point
"
"
nse
0.02 + 0.015
5.7 + 1.2
"
0.05 + 0.015
3.3 + 0.76
ns
"
"milk
"
"
4.5 + 0,2b
"
"
"
UW-3
X-site
#+0.4
9.5 + 1.2
19
ns
5.7
+0.1
0.73 + 0.08
+ 2.1
0.14 + 0.05
9.4 + 1.8
0.30 + 0.06
4.1 + 1.0
2006+ (0.6
"
ns
Unidentified leaves
Airfield, wash-sump
170+ (41.7
Green algae
London
22
06+ (1.6
0.05 + 0.03
0.09 + 0.04
0.04 + 0.02
32
+ 0.4
ns
The error values are two-~sigma, propagated, counting errors for a single sample.
pCi/g, wet
ns = not significant; the net sample count is less than the two-sigma, propagated, counting
error.
.
6¢
c.
‘