Table 99-9. Activity Concentration of Selected Radionuclides Measured by Gamma Spectroscopy
in Red Bluff Reservoir Surface Water 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.
Download pdf file here.
|
Collection Date and Sampling Depth |
|
March 10, 1998 (0.9 m depth) |
March 10, 1998 (9.1 m depth) |
|
Nuclide |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
|
228Ac |
<MDC |
|
1.05E-01 |
<MDC |
|
1.00E-01 |
|
7Be |
<MDC |
|
3.77E-01 |
<MDC |
|
3.50E-01 |
|
212Bi |
<MDC |
|
3.01E-01 |
<MDC |
|
2.23E-01 |
|
213Bi |
dNA |
NA |
NA |
NA |
NA |
NA |
|
214Bi |
<MDC |
|
1.08E-01 |
<MDC |
|
1.01E-01 |
|
144Ce |
NA |
NA |
NA |
NA |
NA |
NA |
|
249Cf |
NA |
NA |
NA |
NA |
NA |
NA |
|
60Co |
<MDC |
|
3.44E-02 |
<MDC |
|
3.11E-02 |
|
134Cs |
NA |
NA |
NA |
NA |
NA |
NA |
|
137Cs |
<MDC |
|
4.38E-02 |
<MDC |
|
3.20E-02 |
|
152Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
154Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
155Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
40K |
3.63E-01 |
1.07E-01 |
3.45E-01 |
2.88E-01 |
1.11E-01 |
3.60E-01 |
|
233Pa |
NA |
NA |
NA |
NA |
NA |
NA |
|
234mPa |
<MDC |
|
5.44E+00 |
<MDC |
|
5.08E+00 |
|
210Pb |
<MDC |
|
7.65E+00 |
<MDC |
|
5.49E+00 |
|
212Pb |
<MDC |
|
7.68E-02 |
<MDC |
|
5.26E-02 |
|
214Pb |
<MDC |
|
8.45E-02 |
<MDC |
|
6.11E-02 |
|
106Rh |
NA |
NA |
NA |
NA |
NA |
NA |
|
125Sb |
NA |
NA |
NA |
NA |
NA |
NA |
|
234Th |
<MDC |
|
5.29E-01 |
<MDC |
|
4.91E-01 |
|
208Tl |
<MDC |
|
3.19E-02 |
<MDC |
|
2.89E-02 |
|
235U |
<MDC |
|
2.19E-01 |
<MDC |
|
2.08E-01 |
|
Collection Date and Sampling Depth |
|
March 11, 1998 (0.6 m depth) |
March 11, 1998 (10.1 m depth) |
|
Nuclide |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
|
228Ac |
<MDC |
|
1.05E-01 |
<MDC |
|
1.05E-01 |
|
7Be |
<MDC |
|
4.00E-01 |
<MDC |
|
3.50E-01 |
|
212Bi |
<MDC |
|
2.49E-01 |
<MDC |
|
2.33E-01 |
|
213Bi |
NA |
NA |
NA |
NA |
NA |
NA |
|
214Bi |
<MDC |
|
1.05E-01 |
<MDC |
|
9.96E-02 |
|
144Ce |
NA |
NA |
NA |
NA |
NA |
NA |
|
249Cf |
NA |
NA |
NA |
NA |
NA |
NA |
|
60Co |
<MDC |
|
3.37E-02 |
<MDC |
|
3.01E-02 |
|
134Cs |
NA |
NA |
NA |
NA |
NA |
NA |
|
137Cs |
<MDC |
|
3.21E-02 |
<MDC |
|
3.06E-02 |
|
152Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
154Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
155Eu |
NA |
NA |
NA |
NA |
NA |
NA |
|
40K |
<MDC |
|
4.15E-01 |
<MDC |
|
4.07E-01 |
|
233Pa |
NA |
NA |
NA |
NA |
NA |
NA |
|
234mPa |
<MDC |
|
5.27E+00 |
<MDC |
|
4.91E+00 |
|
210Pb |
<MDC |
|
7.59E+00 |
<MDC |
|
5.57E+00 |
|
212Pb |
<MDC |
|
7.37E-02 |
<MDC |
|
5.22E-02 |
|
214Pb |
<MDC |
|
6.76E-02 |
<MDC |
|
6.11E-02 |
|
106Rh |
NA |
NA |
NA |
NA |
NA |
NA |
|
125Sb |
NA |
NA |
NA |
NA |
NA |
NA |
|
234Th |
<MDC |
|
5.37E-01 |
<MDC |
|
4.85E-01 |
|
208Tl |
<MDC |
|
3.12E-02 |
<MDC |
|
3.48E-02 |
|
235U |
<MDC |
|
2.24E-01 |
<MDC |
|
2.07E-01 |
|
Collection Date and Sampling Depth |
|
October 13, 1998 (0.9 m depth) |
October 13, 1998 (9.8 m depth) |
|
Nuclide |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
aActivity Concentration
(Bq L-1) |
bSD
(Bq L-1) |
cMDC
(Bq L-1) |
|
228Ac |
<MDC |
|
1.61E-01 |
<MDC |
|
1.62E-01 |
|
7Be |
<MDC |
|
3.99E-01 |
<MDC |
|
4.85E-01 |
|
212Bi |
<MDC |
|
5.96E-01 |
<MDC |
|
5.67E-01 |
|
213Bi |
<MDC |
|
1.29E-01 |
<MDC |
|
1.28E-01 |
|
214Bi |
<MDC |
|
1.26E-01 |
<MDC |
|
1.22E-01 |
|
144Ce |
<MDC |
|
2.70E-01 |
<MDC |
|
2.71E-01 |
|
249Cf |
<MDC |
|
5.35E-02 |
<MDC |
|
5.15E-02 |
|
60Co |
<MDC |
|
4.61E-02 |
<MDC |
|
4.61E-02 |
|
134Cs |
<MDC |
|
3.73E-02 |
<MDC |
|
3.90E-02 |
|
137Cs |
<MDC |
|
4.49E-02 |
<MDC |
|
4.57E-02 |
|
152Eu |
<MDC |
|
1.44E-01 |
<MDC |
|
1.43E-01 |
|
154Eu |
<MDC |
|
1.30E-01 |
<MDC |
|
1.31E-01 |
|
155Eu |
<MDC |
|
1.65E-01 |
<MDC |
|
1.63E-01 |
|
40K |
8.05E-01 |
2.25E-01 |
7.30E-01 |
1.25E+00 |
2.28E-01 |
7.29E-01 |
|
233Pa |
<MDC |
|
8.75E-02 |
<MDC |
|
8.40E-02 |
|
234mPa |
<MDC |
|
5.28E+00 |
<MDC |
|
5.05E+00 |
|
210Pb |
<MDC |
|
9.58E+00 |
<MDC |
|
9.53E+00 |
|
212Pb |
<MDC |
|
9.97E-02 |
<MDC |
|
9.96E-02 |
|
214Pb |
<MDC |
|
8.34E-02 |
<MDC |
|
8.55E-02 |
|
106Rh |
<MDC |
|
4.01E-01 |
<MDC |
|
4.09E-01 |
|
125Sb |
<MDC |
|
1.17E-01 |
<MDC |
|
1.16E-01 |
|
234Th |
<MDC |
|
7.24E-01 |
<MDC |
|
7.09E-01 |
|
208Tl |
<MDC |
|
5.75E-02 |
<MDC |
|
5.78E-02 |
|
235U |
<MDC |
|
1.64E-01 |
<MDC |
|
1.64E-01 |
aActivity concentrations of all radionuclides were measured using gamma spectoscopy
bSD=count standard deviation
cMDC = minimum detectable concentration
dNA = sample was not analyzed for target analyte
|
|
