Table 6.
239-240
Pu Concentrations (nCi/g) in "Ball~-Mill" and "Less Than 100~Mesh" Soil Fractions for Surface Soil Samples
From Stratum 2 of Area 13; Analyzed by LASL
77T
Less Than 100-Mesh
Library
No.
Stake
No.
L00986
10
L00987
15
L00988
16
LOO989
18
L00990
21
L00991
23
L00992
25
L00993
27
100994
33
L00995
35
.
Ball-Mill Fraction
Percent
239 2405
Count ing
Error
0.000932
0.00626
0.0113
0.0377
0.0141
0.0397
2.05
1.10
0.581
0.739
0.144
0.617
0.134
0.174
0.132
0,246
4.4
4.0
4.0
4.6
4.0
0.6
1.6
1.3
2.8.
1.9
1.7
1.7
2,0
1.7
1.8
2.3
0.048
0.0253
0.116
0.286
0.295
0.0316
0.141
0.199
0.0283
0.0455
0.0919
0.0635
0.0116
0.145
Percent
Mean (A)
of
239-240,
Count ing
Error
0.00616
0.84
0.0305
0.47
0.00304
0.00757
0.00208
0.0334
0.0297
3.7
3.4
3.9
3.8
3.9
1.12
0.59
0.202
0.274
0.421 |
0.298
0.93
0.184
0.31
3.9
4.4
1.9
1.7
1.7
0.0607
0.80
0.290
0.02
2.2
1.8
2.4
2,2
2.1
2.9
1.8
3.0
2.0
0.124
0.69
0.0552
0.60
0.0734
0.92
0.140
0.0730
0.205
0.141
0.189
0.193
0.0730
0.00865
0.0105
0.0112
0.113
0.0613
0.170
0.0437
0.0811
0.0358
0.0208
0.00896
0.0514
0.0394
0.0137
0.0151
te = coefficient of variation = s/mean, where s
standard derivation of n observations
Mean (B)
of
A/B
0.00423
0.69
1.5
0.0316
0.083
0.96
1.6
1.5
2.6
0.299
6.37
3.8
1.7
1.6
1.8
1.4
1.6
1.7
3.0
3.2
3.8
1.2
1.6
1.7
1.9
1.7
1.8
2.2
2.3
3.1
1.8
2.1
3.1
2.9
0.139
0.47
2.1
0.149
0.38
1.2
0.0101
0.13
6.0
0.115
0.47
2.5
0.0535
0.45
2.3
0.0271
0.81
2.0
0.0227
0.64
3.2