Table 3.
The 137Cs measured by gamma-ray spectrometry in a random selection of
vegetation standard samples.
137Cs
Sample
Deviation
(cpm/100 g)*
from mean (%)
]
4.996 + 0.084
2.65
2
4.863 + 0.091
0.08
3
4.768 + 0.104
2.03
4
4.864 + 0.09
0.06
5
4.675 + 0.092
3.94
6
4.937 + 0.096
1.44
8
4.964 + 0.06
1.99
4.881 + 0.098
0.29
7
4.805 + 0.09
9
1.27
4.918 + 0.106
10
MEAN
1.05
4.867 + 0.097
2 Only relative counts were measured because samples were not in the counting
geometry we normally used.
Table 4
Radionuclides measured in vegetation standard samples.
radiochemically except as noted.
Values or
laboratory
Radionuclide (pCi/kg)
| 3log
23942405,
Expected
-WOSC, OSU® 3780+ 8% (4)
2710 + 20%
2730+ 2.6% (10)
17.2 + 20%
16.2 + 4.7% (16)
905,
LLNL4
2610 + 2% (2)
15.8 + 2% (2)
EML>
3340 + 5.8% (3)
Certified
3340 + 10%
--
2390 411.7% (3)
2700 + 10%
14.9 + 10% (3)
16 + 10%
NOTE: Numbersof replicates are in parentheses.
* Western Oregon State College, Oregon State University.
Cc
All analyses done
Environmental Measurements Laboratory.
Measured by gamma-ray spectrometry.
Lawrence Livermore National Laboratory.
8
241 am
4.1 + 20%
5.4 + 1.7% (4)
4.8 + 23% (3)
--
5.4 + 10%