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

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PR Spring
General Parameters Major Ions (mg/L) Metals (mg/L) (i)

Sample Information Flow TSS TDS pH Hard Alk ' Cond i
Na Ca Mg K CI F
NO3 P HCO, S0,`
Al Sb As
Ba Be
(gpm) (mg/L) (mg/L) (s.u.) (m91L) (m91L) (pSlcm)
PR Spring (aka. Pack Rat Spring,
Pack Rat Spring,
Umetco 3/21/1980 _ 630 7.6 135 23.6 28.2 22 327 109
Packrat Sp., BLM, 7/7/93 6 830 7.8 258 328 980 138 47 34 6.6 9 0.49 1.39 0.03 397 195 0.210 0.06
DP-93-6, Peel, 9/9/93 - 552 7.87 158 36.5 22.5 6.2 28 292 162 0.281 >>'
Pack Rat Spring,
Umetco 6/26/96 9 0 7.95 600 0.42
PRSPRING, WWE, 7/15/97 6.3 <10 528 7.99 308 168 26 15.5 <5 23 0.8 308 125 <0.1 0.379 0.05 <0.05
PRSPRING, WWE, 10/26/97 7.9 <10 492 311 148 23.6 14 6 23 0.8 311 126 <0.05 0.411 0.03 <0.002
Pack Rat Spring,
Umetco 6/1/99 5.3 14 509 7.47 894 133 26.4 15 5 24 306 120 0.382
Pack Rat Spring,
Umetco 5/24/00 _
<10
460
8.24
310
160
26
15
<5
22
310
110
<0.05
0.46 0.033
<0.002
Lower Spring, EFRC, 10/24/06 - 538 8.20 312 163 24.8 15.9 5.5 21 0.6 0.4 110 <0.1 0.369 <0.1
LS Tank, EFRC,1/17/07 - <1.0 500 8.36 126 315 847 160 24.6 15.6 5.5 22 0.4 0.4 <0.1 384 120 <0.1 <0.05 ( 0.394 <0.1 <0.1
PS Spring, EFRC, 4/27/07 4.3 <1.0 540 8.38 108 318 147 21.5 13.2 5.2 22 0.6 0.4 <0.1 379 116 <0.1 0.0007 0.357 <0.1 <0.01
PR Springs, EFRC, 3/10/08 4.25 <1 537 8.18 324 162 21.1 13.4 5.6 21 0.4 0.4 0.037 395 121 0.388 <0.1 <0.01
PR Springs, EFRC, 6/19/08 4.7 <1 553 8.25 300 762 172 24 15 6 25 0.4 0.4 0.02 366 122 0.413 <0.1 <0.01
PR Springs, EFRC, 9/8/08* 4.1 <1 534 8.36 303 883 173 23 15 5 23 0.4 0.5 0.02 370 125 0.510 1 1, <0.1 <0.01
PR Springs, EFRC, 12/15/08 4.5 8 572 8.31 311 790 171 24 15 5 20 0.4 0.4 0.01 359 123 0.394 <0.1 <0.01
PR Springs, EFRC, 2/10/09 4.5 <1 518 6.68 310 923 152 22 14 4 20 0.4 0.4 0.01 378 120 0.400 <0.1 <0.01
PR Springs, EFRC, 4/20/09 4.5 <4 542 8.24 325 898 150 22 14 5 18 0.5 <0.1 <0.01 387 122 0.384 <0.1 <0.01
[7PR Springs, EFRC, 6/2/10 2.3 <4 544 8.52 331 880 165 23 14 6 21 0.4 0.4 0.025 384 123 0.406 <0.1 <0.01
f`nlnrerln Wafar Qfonrhrria
Ground Water, Domestic 6.5 to 8.5 250 4.0 10.0 250 0.006 0.01 2.0 0.004
Ground Water, Agriculture 6.5 to 8.5 2 100 5 0.1 0.1
Surface Water, Stream e, 6.5 to 9.0 250 0.100 0.100
Surface Water, Domestic 5.0 to 9.0 250 2.0 10.0 250 0.1 1.0 0.004
Surface Water, Agriculture 100 4 -1 0.1 0.1
EPA Water Standards (h)
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 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
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
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standards of water use.
Table 2 Water Quality Data
PR Spring
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