2010-08-13_HYDROLOGY - M2007044

• Permit No: M2007044
• IBM Index Class Name: HYDROLOGY
• Doc Date: 8/13/2010
• Doc Name: 2nd Qtr 2010 Hydrological Report, Whirlwind Mine
• From: ENERGY FUELS RESOURCES
• To: DRMS
• Email Name: GRM
• Email Name: DB2
• Media Type: D
• Archive: No

Whirlwind Mine Water
General Parameters Major Ions (mg/L) Metals (mglL) (i)

Sample Information Flow TSS TDS ' pH Hard Alk
Rate Cond
Na Ca Mg K CI F NO, P HCO, S04
Al Sb As
Ba
Be
(mglL) (mglL), (s.u.) (mg/L) (mglL)
(9pm)
? (NSlcm)

I I
Whirlwind Mine
WW-1, EFRC, 9111106 NA 390 7.5 57 302 708 144 13 6 10.5 29 0.39 0.72 0.01 365 19 0.015 r 0.3
Whirlwind. EFRC, 10124/06 NA 382 8.3 280 140 12.4 4.8 9.0 20 0.6 1.2 .5 0.023 0.2
WW Pool, EFRC, 1117107 NA 21.3 340 8.60 43.8 266 595 123 9.2 5.0 9.3 17 0.3 0.5 <0.1 314 A .2 <0.05 0.027 0.1 <0.01
Whirlwind Pool, EFRC, 4/27/07 NA <1.0 358 8.72 48.5 268 106 10.2 5.6 9.9 14 0.5 0.5 <0.1 311 27 .1 <0.00060.026 0.1 <0.01
WW Sump, EFRC, 3110108 2.4 3,540 661 8.21 296 143 116 22.9 21.9 53 0.4 4.3 2.85 361 38 0.062 <0.01
WW Sump, EFRC, 6/19/08 2.8 132 536 10.0 252 592 150 4 1 6 17 0.7 1.9 0.25 90 88 0.046 0.1 <0.01
WW Sump, EFRC, 9/8/08" 2.2 26 460 9.11 260 649 138 10 7 8 16 0.5 1.8 0.08 318 62 0.044 0.1 <0.01
WW Sump, EFRC, 12/16/08 2.2 8.75 609
WW Decline, EFRC, 4/21/10 1.9 8.07 576
Whirlwind Decline (Brushy Basin
C- 44 -
Whirlwind Seep, EFRC, 5/3107 2 to 4 360 1 8.64 1 278 1 119 10.7 5.8 21.8 33 0.5 0.2 <0.3 1 326 30 .1 0.024 1 0.2 1
"Upper" Whirlwind Sump, NA 574 1 8.69 I
I
362
188
9.8 4.7
12.0 14
1.6
3.1
<0.3 421
93
x.29
0.032 <0.1
EFRC, 513107
Colorado Water Standards
Ground Water, Domestic 6.5 to 8.51 1 250 4.0 10.0 250 ' 1 0.006 0.01 2.0 0.004
Ground Water, Agriculture 6.5 to 8.5 2 100 i 5 0.1 0.1
Surface Water, Stream e, 6.5 to 9.01 250 0.100 0.100
Surface Water, Domestic 1 5.0 to 9.0 1 250 2.0 10.0 250
4
- 0.1 1.0 0.004
Surface Water, Agriculture 100 0.1 0.1
EPA Water Standards Ihl
Maximum 30 6.0 to 9.0
Average 20 6.0 to 9.0
Notes: +
1. Water standards are provided for reference only. These standards do not apply to the mine water unless it is discharged or used for drinking water, irrigation, or other regul ted
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 c main standards
of water use.
3. Metal and radionuclide levels are reported as total recoverable.
* Nitrate sample recollected on 9/18/08 due to hold time exceedance on 9/8/08 sample
Table 1 Water Quality Data
Whirlwind Mine Water
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