2015-10-16_HYDROLOGY - M2007044

• Permit No: M2007044
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/16/2015
• Doc Name: 3rd Qtr. Hydrology Report, 2015
• From: EF Energy Fuels
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: SJM
• Media Type: D
• Archive: No

Table 5 Rajah 49 Mine, Thornton Portal (Rajah Spring)
Sample Information
Dissolved Metals (mg/L)
Dissolved Radionuclides (pCi/L)
As
Ba
Be
B
Cd
Cr
Pb
Mn
Mo
Ni
Se
U
V
Zn
U
Ra -226
Ra -228
Ra -226
Ra -228
Thornton Portal (Rajah Sprinq)
Thornton Portal, EFRC, 9/21/09
1.49
<0.1
<0.01
0.2
<0.01
<0.05
<0.05
<0.01
0.3
<0.05
0.154
2.02
0.3
0.01
1,370
9.7
<0.51
<10.2
Thornton Portal, EFRC, 6/30/10
1.39
<0.1
<0.01
<0.2
<0.01
<0.05
<0.05
<0.01
0.2
<0.05
0.146
1.81
0.5
<0.01
1,230
15
<1.0
<16
Thornton Portal, EFRC, 5/24/11
1.51
<0.1
<0.01
0.2
<0.01
<0.05
<0.05
<0.01
0.3
<0.05
0.142
1.86
0.4
<0.01
1,260
12
<1.4
<13
Thorton Portal, EFRC, 5/30/12
1.75
<0.1
<0.01
0.1
<0.01
<0.05
<0.05
0.01
0.3
<0.05
0.189
2.06
0.4
<0.01
1,390
11
<.68
<12
Thorton Portal, EFRC, 6/17/2013
1.39
<0.1
<0.01
0.1
<0.01
<0.05
<0.05
0.09
0.3
<0.05
0.154
2.43
0.4
<0.01
1,650
16
<1.9
<17.9
Thorton Portal, EFRC, 6/17/2014
1 1.63
<0.1
<0.01
0.1
<0.01
<0.05
<0.05
0.01
0.3
<0.05
0.19
2.22
0.4
0.01
1,500
9.7
<1.0
<10.7
Thornton Portal, EFRI, 8/5/15
1 2.28
<0.1
<0.01
0.2
<0.01
<0.05
<0.05
<0.01
0.3
<0.05
0.266
2.04
0.4
<0.01
1,380
7.4
1.8
1 9.2
Colorado Water Standards
Ground Water, Domestic
0.01
2.0 0.004
0.005
0.1
0.05
0.05
0.035 0.1
0.05 0.03
5 20 5(c) 5(c) 5
Ground Water, Agriculture
0.1
0.1 0.75
0.01
0.1
0.1
0.2
0.2
0.02 0.1
2
Surface Water, Stream (e,f)
0.100
0.100 0.75 dis
0.010
0.100
0.100
0.200
0.200
d
2 5(c) 5(c) 5
Surface Water, Domestic
0.1
1.0 0.004
0.005
0.05
0.05
0.05
0.1
0.05 0.03
5 20 5(c) 5(c) 5
Surface Water, Agriculture
0.1
0.1 0.75
0.01
0.1
0.1
0.2
0.2
0.02
2
EPA Water Standards (h)
Maximum 4 1.0 10 dis,
30 tot
Average 2 0.5 3 dis,
10 tot
Notes:
1. Water standards are provided for reference only. These standards do not apply to the spring water unless it is used for drinking water, irrigation, or other regulated
uses.
2. Concentrations or activity levels above a state or federal standard are shaded for reference purposes. Shading indicates that the measured level is elevated
compared to cetain standards of water use.
3. Metal and radionuclide levels are reported as total recoverable.
Table 5 Water Quality Data
Rajah 49 Mine, Thornton Portal
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