TABLE 2.
Month
Gamma
24’Am
Sept.
Duplicate analyses (two 5-gram aliquots)++
from Enewetak Atoll soil field samples.
Analysis
1
Analysis
2
pCi/g
pCi/g
1.1
1.6
9.2
13
33
1.1
1.2
8.1
13
30
30
40
:;
,,
Percent Relative
Variability+ (%)
1::;
9.0
0.0
1::;
6.7
Oct.
3.0
3.1
3.3
8.6
3.0
2.8
3.5
8.7
0.0
7.2
4.2
0.8
March
and
April
< MDA
< MDA
1.72
5.46
14.25
0.25
< MDA
1.77
5.35
15.45
2.0
1.4
5.7
Median = 4.9%
Range:
Chemistry
24’Am
3.3
2.4
1::2
1:::
Oct.
0.0 to 15.7%
22.3
12.0
1.8
Median = 12.0%
25
Gross
Alpha
Oct.
1:
16
34
::
16
94.3
50.2
38.6
50.9
Median = 50.5%
Beta
Oct.
24
72
137
345
32
62
132
363
20.2
10.6
2.6
3.6
~
Median = 7.1%
‘100(s/1)
‘+From Eberline Quality Assurance Reports for September
Mike
ortiz
transmitted to R. O. Gilbert in letters from
April 21 and May 15, 1978.
---
1977 through April 1978
(Eberline) dated