Table 99-18. Activity Concentration of Selected Radionuclides Measured by Alpha Spectroscopy
in Red Bluff Reservoir Sediment Samples Collected during 1998
See CEMRC 1999 Report "Radiological and non-radiological constituents in surface water and sediments
at selected reservoirs" for descriptions of locations and methods of data collection.
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|
239,240Pu |
|
Collection Date |
Water Depth
(m) |
aActivity
Concentration
(mBq g-1) |
bSD
(mBq g-1) |
cMDC
(mBq g-1) |
|
3/3/98 |
14.9 |
4.07E-01 |
7.40E-02 |
1.63E-01 |
|
3/10/98 |
14.0 |
5.18E-01 |
7.40E-02 |
1.04E-01 |
|
3/10/98 |
14.0 |
3.33E-01 |
6.29E-02 |
8.51E-02 |
|
3/10/98 |
11.9 |
1.85E-01 |
2.70E-02 |
2.81E-02 |
|
10/14/98 |
10.4 |
2.87E-01 |
3.15E-02 |
5.55E-02 |
|
10/14/98 |
10.4 |
3.94E-01 |
2.29E-02 |
2.04E-02 |
|
10/14/98 |
10.4 |
4.13E-01 |
3.26E-02 |
4.44E-02 |
|
10/14/98 |
10.1 |
4.57E-01 |
2.81E-02 |
2.89E-02 |
|
238U |
235U |
234U |
|
Collection Date |
Water Depth
(m) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
|
3/3/98 |
14.9 |
5.65E+01 |
2.44E+00 |
3.40E-02 |
2.97E+00 |
2.18E-01 |
4.07E-02 |
9.22E+01 |
3.96E+00 |
3.11E-02 |
|
3/10/98 |
14.0 |
5.82E+01 |
2.52E+00 |
3.03E-02 |
3.23E+00 |
2.26E-01 |
3.66E-02 |
9.66E+01 |
4.14E+00 |
3.18E-02 |
|
3/10/98 |
14.0 |
5.02E+01 |
2.15E+00 |
3.26E-02 |
2.42E+00 |
1.85E-01 |
3.66E-02 |
8.26E+01 |
3.48E+00 |
3.37E-02 |
|
3/10/98 |
11.9 |
3.15E+01 |
1.37E+00 |
2.85E-02 |
1.64E+00 |
1.41E-01 |
3.18E-02 |
4.55E+01 |
1.92E+00 |
2.89E-02 |
|
10/14/98 |
10.4 |
4.64E+01 |
3.22E+00 |
3.44E-02 |
2.40E+00 |
3.00E-01 |
3.22E-02 |
7.55E+01 |
5.14E+00 |
3.70E-02 |
|
10/14/98 |
10.4 |
6.48E+01 |
4.18E+00 |
3.59E-02 |
3.42E+00 |
3.40E-01 |
4.07E-02 |
1.05E+02 |
6.66E+00 |
4.44E-02 |
|
10/14/98 |
10.4 |
7.17E+01 |
4.92E+00 |
5.18E-02 |
3.74E+00 |
4.07E-01 |
5.55E-02 |
1.23E+02 |
8.33E+00 |
7.03E-02 |
|
10/14/98 |
10.1 |
6.36E+01 |
4.03E+00 |
3.44E-02 |
3.24E+00 |
3.15E-01 |
3.70E-02 |
1.09E+02 |
6.77E+00 |
3.70E-02 |
|
232Th |
230Th |
228Th |
|
Collection Date |
Water Depth
(m) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
Activity
Concentration
(mBq g-1) |
SD
(mBq g-1) |
MDC
(mBq g-1) |
|
3/3/98 |
14.9 |
3.02E+01 |
2.00E+00 |
5.18E-01 |
3.41E+01 |
2.26E+00 |
2.04E+00 |
3.56E+01 |
2.29E+00 |
1.78E+00 |
|
3/10/98 |
14.0 |
3.29E+01 |
3.40E+00 |
1.41E+00 |
2.93E+01 |
3.37E+00 |
3.55E+00 |
3.53E+01 |
3.74E+00 |
4.11E+00 |
|
3/10/98 |
14.0 |
2.61E+01 |
1.89E+00 |
2.63E-01 |
3.39E+01 |
2.37E+00 |
2.26E+00 |
3.59E+01 |
2.41E+00 |
2.07E+00 |
|
3/10/98 |
11.9 |
3.09E+01 |
1.70E+00 |
4.44E-01 |
3.39E+01 |
1.89E+00 |
1.48E+00 |
3.24E+01 |
1.81E+00 |
1.26E+00 |
|
10/14/98 |
10.4 |
2.60E+01 |
1.15E+00 |
4.81E-01 |
4.17E+01 |
1.70E+00 |
1.18E+00 |
2.67E+01 |
1.18E+00 |
9.62E-01 |
|
10/14/98 |
10.4 |
2.87E+01 |
1.41E+00 |
8.88E-02 |
3.71E+01 |
1.74E+00 |
1.41E+00 |
3.24E+01 |
1.55E+00 |
1.18E+00 |
|
10/14/98 |
10.4 |
2.86E+01 |
1.59E+00 |
6.29E-01 |
3.19E+01 |
1.78E+00 |
1.78E+00 |
3.27E+01 |
1.81E+00 |
1.63E+00 |
|
10/14/98 |
10.1 |
2.65E+01 |
1.33E+00 |
4.07E-01 |
3.15E+01 |
1.59E+00 |
1.48E+00 |
3.24E+01 |
1.63E+00 |
1.59E+00 |
aActivity concentrations of all radionuclides were measured using alpha spectroscopy
bSD=count standard deviation
cMDC = minimum detectable concentration
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