Table 00-13. Activity Concentrations of Radionuclides
Measured by Gamma Spectroscopy in Surface Water Samples from Brantley Lake,
Lake Carlsbad, and Red Bluff Reservoir Collected during 2000
See CEMRC 2000 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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| Isotope |
Lake, Collection Date and Sampling Depth |
| Brantley Lake |
| May 31, 2000 (0.5 m depth) |
May 31, 2000 (13.7 m depth) |
Activity Concentration
(Bq L-1) |
aSD
(Bq L-1) |
bMDC
(Bq L-1) |
Activity Concentration
(Bq L-1) |
SD
(Bq L-1) |
MDC
(Bq L-1) |
| 106Rh |
<MDC |
|
7.08E-01 |
<MDC |
|
4.74E-01 |
| 125Sb |
<MDC |
|
2.04E-01 |
<MDC |
|
1.43E-01 |
| 134Cs |
<MDC |
|
6.69E-02 |
<MDC |
|
4.70E-02 |
| 137Cs |
<MDC |
|
7.33E-02 |
<MDC |
|
5.19E-02 |
| 144Ce |
<MDC |
|
4.65E-01 |
<MDC |
|
3.16E-01 |
| 152Eu |
<MDC |
|
2.18E-01 |
<MDC |
|
1.84E-01 |
| 154Eu |
<MDC |
|
2.38E-01 |
<MDC |
|
1.59E-01 |
| 155Eu |
<MDC |
|
2.81E-01 |
<MDC |
|
1.98E-01 |
| 228Ac |
<MDC |
|
2.77E-01 |
<MDC |
|
1.85E-01 |
| 233Pa |
<MDC |
|
1.48E-01 |
<MDC |
|
1.03E-01 |
| 234mPa |
<MDC |
|
8.89E+00 |
<MDC |
|
6.37E+00 |
| 234Th |
<MDC |
|
1.24E+00 |
<MDC |
|
8.69E-01 |
| 235U |
<MDC |
|
2.82E-01 |
<MDC |
|
2.00E-01 |
| 249Cf |
<MDC |
|
9.28E-02 |
<MDC |
|
6.18E-02 |
| 40K |
<MDC |
|
1.21E+00 |
<MDC |
|
9.05E-01 |
| 60Co |
<MDC |
|
7.88E-02 |
<MDC |
|
5.58E-02 |
| 7Be |
<MDC |
|
6.28E-01 |
<MDC |
|
4.14E-01 |
| Isotope |
Lake Carlsbad |
| May 24, 2000 (0.5 m depth) |
May 24, 2000 (2.1 m depth) |
Activity Concentration
(Bq L-1) |
SD
(Bq L-1) |
MDC
(Bq L-1) |
Activity Concentration
(Bq L-1) |
SD
(Bq L-1) |
MDC
(Bq L-1) |
| 106Rh |
<MDC |
|
7.11E-01 |
<MDC |
|
6.60E-01 |
| 125Sb |
<MDC |
|
2.03E-01 |
<MDC |
|
1.83E-01 |
| 134Cs |
<MDC |
|
6.43E-02 |
<MDC |
|
6.05E-02 |
| 137Cs |
<MDC |
|
7.41E-02 |
<MDC |
|
6.93E-02 |
| 144Ce |
<MDC |
|
4.63E-01 |
<MDC |
|
4.03E-01 |
| 152Eu |
<MDC |
|
2.24E-01 |
<MDC |
|
1.97E-01 |
| 154Eu |
<MDC |
|
2.44E-01 |
<MDC |
|
2.18E-01 |
| 155Eu |
<MDC |
|
2.83E-01 |
<MDC |
|
2.60E-01 |
| 228Ac |
<MDC |
|
2.79E-01 |
<MDC |
|
2.57E-01 |
| 233Pa |
<MDC |
|
1.54E-01 |
<MDC |
|
1.34E-01 |
| 234mPa |
<MDC |
|
9.21E+00 |
<MDC |
|
8.20E+00 |
| 234Th |
<MDC |
|
1.26E+00 |
<MDC |
|
1.11E+00 |
| 235U |
<MDC |
|
2.77E-01 |
<MDC |
|
2.49E-01 |
| 249Cf |
<MDC |
|
9.22E-02 |
<MDC |
|
8.21E-02 |
| 40K |
<MDC |
|
1.12E+00 |
<MDC |
|
1.07E+00 |
| 60Co |
<MDC |
|
7.98E-02 |
<MDC |
|
7.73E-02 |
| 7Be |
<MDC |
|
6.79E-01 |
<MDC |
|
6.31E-01 |
| Isotope |
Red Bluff Reservoir |
| June 6, 2000 (0.5 m depth) |
June 6, 2000 (11.3 m depth) |
Activity Concentration
(Bq L-1) |
SD
(Bq L-1) |
MDC
(Bq L-1) |
Activity Concentration
(Bq L-1) |
SD
(Bq L-1) |
MDC
(Bq L-1) |
| 106Rh |
<MDC |
|
6.37E-01 |
<MDC |
|
7.07E-01 |
| 125Sb |
<MDC |
|
1.90E-01 |
<MDC |
|
2.06E-01 |
| 134Cs |
<MDC |
|
5.88E-02 |
<MDC |
|
6.44E-02 |
| 137Cs |
<MDC |
|
6.74E-02 |
<MDC |
|
7.86E-02 |
| 144Ce |
<MDC |
|
4.07E-01 |
<MDC |
|
4.62E-01 |
| 152Eu |
<MDC |
|
2.02E-01 |
<MDC |
|
2.18E-01 |
| 154Eu |
<MDC |
|
2.07E-01 |
<MDC |
|
2.22E-01 |
| 155Eu |
<MDC |
|
2.54E-01 |
<MDC |
|
2.86E-01 |
| 228Ac |
<MDC |
|
2.58E-01 |
<MDC |
|
2.80E-01 |
| 233Pa |
<MDC |
|
1.35E-01 |
<MDC |
|
1.45E-01 |
| 234mPa |
<MDC |
|
8.56E+00 |
<MDC |
|
8.44E+00 |
| 234Th |
<MDC |
|
1.16E+00 |
<MDC |
|
1.24E+00 |
| 235U |
<MDC |
|
2.56E-01 |
<MDC |
|
2.89E-01 |
| 249Cf |
<MDC |
|
8.61E-02 |
<MDC |
|
9.52E-02 |
| 40K |
1.26E+00 |
3.30E-01 |
1.06E+00 |
1.22E+00 |
3.43E-01 |
1.11E+00 |
| 60Co |
<MDC |
|
7.40E-02 |
<MDC |
|
7.43E-02 |
| 7Be |
<MDC |
|
5.60E-01 |
<MDC |
|
5.83E-01 |
aSD = One standard deviation of the radioanalytical uncertainty
bMDC = Minimum Detectable Concentration
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