Interim Baseline Radiological Investigation Report
November 14, 2012
Bear Lodge Project, for Rare Element Resources, Ltd.
Rev.1
22
Table 4.2. Laboratory Analytical Results for Soil Samples (concluded)
Radium-226 (pCi/g)
Radium-228 (pCi/g)
Thorium-228 (pCi/g)
Thorium-230 (pCi/g)
Thorium-232 (pCi/g)
Uranium (pCi/g)
Sample Location
Collection Date
Result
Error ±
1σ
RL
Result
Error ±
1σ
RL
Result
MDC
Error ±
1σ
Result
MDC
Error ±
1σ
Result
MDC
Error ±
1σ
Result
RL
SS-25-SS-081311
8/13/11
1.3
0.4
0.3
2.7
0.6
0.3
0.2
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.1
0.45
0.01
SS-26-SS-081311
8/13/11
1.3
0.5
0.3
0.0 U
0.3
0.3
0.2
0.1
0.1
0.2
0.2
0.1
0.1
0.1
0.1
0.44
0.01
SS-27-SS-081311
8/13/11
0.0 U
0.3
0.3
0.0 U
0.3
0.3
0.2
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.1
0.37
0.01
SS-28-SS-081311
8/13/11
0.0 U
0.3
0.3
0.0 U
0.3
0.3
0.1 U
0.1
0.09
0.2
0.1
0.1
0.03 U
0.1
0.06
0.36
0.01
SS-29-SS-081311
a
8/13/11
0.0 U
0.3
0.3
0.0 U
0.3
0.3
0.08 U
0.1
0.09
0.2
0.2
0.1
0.06 U
0.1
0.08
0.39
0.01
SS-30-SS-081311
8/13/11
0.0 U
0.3
0.3
0.0 U
0.3
0.3
0.3
0.1
0.1
0.2
0.09
0.1
0.3
0.08
0.1
0.42
0.01
SS-31-SS-081311
8/13/11
1.1
0.4
0.3
0.0 U
0.3
0.3
0.5
0.1
0.2
0.1
0.1
0.1
0.3
0.1
0.1
0.51
0.01
SS-32-SS-081311
8/13/11
1.7
0.5
0.3
3.4
0.7
0.3
1.1
0.2
0.3
0.2
0.2
0.1
0.8
0.2
0.3
0.74
0.01
SS-33-SS-081311
8/13/11
3.4
0.7
0.3
5.1
0.8
0.3
2.2
0.2
0.5
1.6
0.2
0.4
2.1
0.1
0.5
4.88
0.01
SS-34-SS-081311
a
8/13/11
3.1
0.6
0.3
5.4
0.8
0.3
2.7
0.2
0.6
1.6
0.2
0.4
3.3
0.2
0.7
3.84
0.01
SS-35-SS-081311
8/13/11
9.8
1.3
0.3
71.9
2.2
0.3
57
2.3
12
8.4
2.4
3.5
46
1.8
10
16.5
0.3
Notes:
a
Duplicate sample.
MDC = minimum detectable concentration
RL = reporting limit
σ = standard deviation
U = not detected
