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Table 99-7.  Activity Concentration of Selected Radionuclides Measured by Gamma Spectroscopy
in Brantley Lake 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
January 30, 1998 (1.5 m depth) January 30, 1998 (12.5 m depth)
Nuclide aActivity Concentration
(Bq L-1)		 bSD
(Bq L-1)		 cMDC
(Bq L-1)		 Activity Concentration
(Bq L-1)		 SD
(Bq L-1)		 MDC
(Bq L-1)
228Ac <MDC

 

 1.00E-01 <MDC

 

 1.13E-01
7Be <MDC

 

 4.28E-01 <MDC

 

 5.88E-01
212Bi <MDC

 

 2.21E-01 <MDC

 

 2.35E-01
213Bi dNA NA NA NA NA NA
214Bi <MDC

 

 1.09E-01 <MDC

 

 1.06E-01
144Ce NA NA NA NA NA NA
249Cf NA NA NA NA NA NA
60Co <MDC

 

 3.12E-02 <MDC

 

 3.32E-02
134Cs NA NA NA NA NA NA
137Cs <MDC

 

 2.96E-02 <MDC

 

 3.28E-02
152Eu NA NA NA NA NA NA
154Eu NA NA NA NA NA NA
155Eu NA NA NA NA NA NA
40K <MDC

 

 3.24E-01 <MDC

 

 3.86E-01
233Pa NA NA NA NA NA NA
234mPa <MDC

 

 4.96E+00 <MDC

 

 5.20E+00
210Pb <MDC

 

 5.41E+00 <MDC

 

 7.57E+00
212Pb <MDC

 

 5.17E-02 <MDC

 

 5.58E-02
214Pb <MDC

 

 6.08E-02 <MDC

 

 6.67E-02
106Rh NA NA NA NA NA NA
125Sb NA NA NA NA NA NA
234Th <MDC

 

 4.81E-01 <MDC

 

 5.24E-01
208Tl <MDC

 

 3.40E-02 <MDC

 

 3.11E-02
235U <MDC

 

 2.02E-01 <MDC

 

 2.20E-01

 

 Collection Date and Sampling Depth
February 4, 1998 (0.6 m depth) February 4, 1998 (11.3 m depth)
Nuclide 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)
228Ac <MDC

 

 1.05E-01 <MDC

 

 1.01E-01
7Be <MDC

 

 5.45E-01 <MDC

 

 5.12E-01
212Bi <MDC

 

 2.32E-01 <MDC

 

 2.24E-01
213Bi NA NA NA NA NA NA
214Bi <MDC

 

 1.05E-01 <MDC

 

 9.90E-02
144Ce NA NA NA NA NA NA
249Cf NA NA NA NA NA NA
60Co <MDC

 

 3.25E-02 <MDC

 

 3.11E-02
134Cs NA NA NA NA NA NA
137Cs <MDC

 

 3.25E-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

 

 3.45E-01 <MDC

 

 3.87E-01
233Pa NA NA NA NA NA NA
234mPa <MDC

 

 5.22E+00 <MDC

 

 4.88E+00
210Pb <MDC

 

 7.55E+00 <MDC

 

 5.50E+00
212Pb <MDC

 

 4.49E-02 <MDC

 

 5.14E-02
214Pb <MDC

 

 6.56E-02 <MDC

 

 6.02E-02
106Rh NA NA NA NA NA NA
125Sb NA NA NA NA NA NA
234Th <MDC

 

 5.24E-01 <MDC

 

 4.81E-01
208Tl <MDC

 

 3.07E-02 <MDC

 

 2.83E-02
235U <MDC

 

 2.20E-01 <MDC

 

 2.04E-01

 

 Collection Date and Sampling Depth
October 7, 1998 (0.9 m depth) October 7, 1998 (13.7 m depth)
Nuclide 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)
228Ac <MDC

 

 1.56E-01 <MDC

 

 1.48E-01
7Be <MDC

 

 3.36E-01 <MDC

 

 4.05E-01
212Bi <MDC

 

 5.75E-01 <MDC

 

 8.21E-01
213Bi <MDC

 

 1.31E-01 <MDC

 

 1.24E-01
214Bi <MDC

 

 1.24E-01 <MDC

 

 1.23E-01
144Ce <MDC

 

 2.54E-01 <MDC

 

 2.71E-01
249Cf <MDC

 

 5.17E-02 <MDC

 

 5.21E-02
60Co <MDC

 

 4.51E-02 <MDC

 

 4.50E-02
134Cs <MDC

 

 3.71E-02 <MDC

 

 3.80E-02
137Cs <MDC

 

 4.43E-02 <MDC

 

 4.30E-02
152Eu <MDC

 

 1.41E-01 <MDC

 

 9.94E-02
154Eu <MDC

 

 1.31E-01 <MDC

 

 1.33E-01
155Eu <MDC

 

 1.58E-01 <MDC

 

 1.76E-01
40K <MDC

 

 7.20E-01 <MDC

 

 7.43E-01
233Pa <MDC

 

 8.35E-02 <MDC

 

 8.39E-02
234mPa <MDC

 

 4.93E+00 <MDC

 

 7.01E+00
210Pb <MDC

 

 9.32E+00 <MDC

 

 9.92E+00
212Pb <MDC

 

 9.86E-02 <MDC

 

 9.61E-02
214Pb <MDC

 

 8.24E-02 <MDC

 

 8.64E-02
106Rh <MDC

 

 3.93E-01 <MDC

 

 4.07E-01
125Sb <MDC

 

 1.16E-01 <MDC

 

 1.17E-01
234Th <MDC

 

 6.97E-01 <MDC

 

 7.08E-01
208Tl <MDC

 

 5.80E-02 <MDC

 

 5.90E-02
235U <MDC

 

 1.62E-01 <MDC

 

 1.67E-01
aActivity concentrations of all radionuclides were measured using gamma spectroscopy
bSD=count standard deviation
cMDC = minimum detectable concentration
dNA = sample was not analyzed for target analyte