2023-07-25_HYDROLOGY - M2007044

• Permit No: M2007044
• IBM Index Class Name: Hydrology
• Doc Date: 7/25/2023
• Doc Name: Hydrology Report
• From: Energy Fuels Resources Inc
• To: DRMS
• Annual Report Year: 2023
• Report Quarter_Month: 2
• Permit Index Doc Type: Hydrology Report
• Email Name: ACY
• Email Name: THM
• Media Type: D
• Archive: No

Table 2 PR Spring
Metals(mg/L)(i)(continued) Radionuclides(pCi/L)(i)
Sample Information B Cd Cr Cu Fe Pb Mn Hg Mo Ni se Ag TI U V Zn U Gross Gross Ra-226 Ra-228 Ra-226
alpha Beta Ra-228
PR Spring(aka. Pack Rat Spring,
Lower S rin -Salt Wash
Pack Rat Spring, Umetco, 3/21/1980 0.23 152
Packrat Sp., BLM, 7/7/93 018 00004 0.001 <0.001 0.10 <0 001 0.005 <0.00001 0.120 <0.001 <0.0001 1.80 <0.001 1220 237 210 7.4
DP-93-6, Peel, 9/9/93 <0 005 <0 01 <0.01 <0.02 <0 01 <0.0002 0.309 1.68 <0.005 1140 5.4
Pack Rat Spring, Umetco, 6/26/96 1.70 <0 025 1200 37 <0 1 <3 8
PRSPRING,WWE, 7/15/97 0.1 0.003 <0.05 <0 01 <0 10 <0 002 <0 05 <0 0002 <0.05 0 193 <0.05 1.60 0.34 <0.025 1100 1,660 353 3 1 08 3.8
PRSPRING, WWE, 10/26/97 <0.1 <0.005 <0.01 <0 01 <0.055 <0 0045 <0.005 <0 0002 <0.04 0 217 <0 01 1.60 0.34 <0.01 1100 1,290 206 3 03 3.3
Pack Rat Spring,Umetco 6/1/99 0 187 1.40 <0.025 950 3.3 0.3 3.6
Pack Rat Spring,Umetco 5/24/00 0.12 <0.001 <0.01 <0.01 <0.01 <0.05 0.0078 <0.0002 <0.04 0.21 <0.01 1.50 0.32 0 030 1000 1,300 180 4.0 <0.025 40
Lower Spring, EFRC, 10/24/06 <0 01 <0 01 <0.03 <0 05 <0.01 010 <0.05 0.160 1.61 0.30 001 1090 3.6
LS Tank, EFRC, 1/17/07 0.1 <0 01 <0 05 <0.01 1 <0.03 <0.05 <0 01 <0 001 1 0.10 <0.05 1 0202 <0 01 <0.1 1.15 0.30 <0 01 779 869 219 3.9 1 7 5.6
PS Spring , EFRC, 4/27/07 0.1 <0.01 <0.05 <0.01 <0.03 <0 05 <0 01 <0 001 0.10 <0 05 0 168 <0 01 <0 001 1.40 0.30 <0 01 948 804 9.2 <1.0 <10.2
PR Springs, EFRC, 3/10/08 01 <0.01 <0.05 <0.05 <0 01 0.10 <0.05 0.183 1.50 0.30 <0.01 1020 3.5 <1 6 <5 1
PR Springs , EFRC, 6/19/08 01 <0.01 <0.05 <0 05 <0 01 0.10 <0.05 0.203 1.53 0.30 <0.01 1040 34 <1 2 <4 6
PR Springs , EFRC, 9/8/08* 02 <0 01 <0.05 <0 05 <0.01 0.10 <0.05 0.243 1.26 0.40 <0.01 853 2.8 <1 3 <4 1
PR Springs , EFRC, 12/15/08 0.1 <0 01 <0 05 1 <0.05 <0.01 1 0.10 <0 05 0.184 1.50 0.30 <0.01 1020 38 2.2 6
PR Springs, EFRC, 2/10/09 <0 1 <0 01 <0 05 <0.05 <0.01 0.10 <0 05 0.189 1.58 0.40 <0.01 1070 3.6 <0.3 <4.9
PR Springs, EFRC,4/20/09 <0.1 <0.01 <0.05 <0 05 <0.01 0.10 <0 05 0.186 1.45 0.30 <0.01 982 39 <1.1 <5
PR Springs, EFRC, 6/2/10 01 <0.01 <0 05 <0 05 <0.01 0.10 <0.05 0.175 1.50 0.40 <0.01 1020 37 <1.2 <4.9
PR Springs, EFRC, 5/24/11 <0.1 <0.01 <0 05 <0 05 <0.01 0.10 <0.05 0.179 1.38 0.30 <0.01 934 43 <1.4 <5.7
PR Spring, EFRC, 5/30/12 <0.1 <0.01 <0.05 <0 05 <0.01 0.10 <0.05 0.178 1.42 0.30 <0.01 961 38 <.73 <4.5
PR Spring, EFRC, 6/4/13 0.1 <0.01 <0.05 <0.05 <0 01 <0.1 <0.05 0 156 1.42 0.30 <0.01 961 4.2 <0.77 <4.97
PR Spring, EFRC, 6/17/14 0.1 <0 01 <0.05 <0.05 <0 01 <0.1 <0.05 0.156 1.26 0.30 <0 01 853 4.3 <0 1 <4 4
PR Spring, EFRI, 8/5/15 0.1 <0 01 <0 05 <0.05 <0 01 0.10 <0.05 0 162 1.32 030 <0 01 894 3.4 1.3 4.7
PR Spring, EFRI, 6/1/16 0.1 <0 01 <0 05 1 <0.05 1 <0.01 1 0.10 <0 05 0.172 1 1.22 0.30 <0.01 826 4.4 <1.6 <6.0
PR Spring, EFRI, 6/7/17 <0.1 <0.01 <0.05 <0 05 <0.01 <0.1 <0.05 0 128 1.06 0.20 <0 01 718 1 42 05 4.7
PR Spring, EFRI, 6/20/18 01 <0.01 <0 05 <0 05 <0.01 <0.1 <0 05 0.133 0.94 1 0.20 <0.01 636 42 <1.5 <5.7
PR Spring, EFRI, 6/25/19 01 <0.01 <0.05 <0 05 <0.01 <0.1 <0.05 0.117 1.07 0.20 <0 01 724 520 1 9 7
PR Spring, EFRI,6/24/20 0.1 <0.001 <0.005 <0.001 <0.001 0 088 <0 005 0.124 1.01 0.23 <0 01 684 30 <0.7 <3 7
PR Spring, EFRI, 7/13/21 0.1 <0 001 <0.005 I <0.001 <0 001 0.091 <0.005 0.131 1.06 0.24 <0 01 718 40 <1 1 <5 1
PR Spring, EFRI, 8/1/22 Oil <0.001 <0 005 <0.001 <0 001 0.091 <0.005 0.14 1.13 0.28 <0.01 765 71 <2.1 <9.2
PR Spring, EFRI, 11/16/22 Oil <0.001 <0 005 <0 001 <0 001 0.103 <0.005 0 128 1.00 0.27 1 <0.01 1 677 3.5 <1 <4.5
PR Spring, EFRI, 5/10/23 Oil <0.001 <0 005 <0.001 <0.001 0.067 <0.005 0.140 0.86 0.19 <0.01 583 4.6 <1 2 <5.8
Colorado Water Standards
Ground Water, Domestic 0 005 01 1 03 005 0.05 0 002 0.035 0.1 0.05 0.05 0.002 003 5 20 15 a 5 c 5(c) 5
Ground Water,Agriculture 075 0.01 01 0.2 5 0.1 02 001 02 0.02
Surface Water, Stream e, 0.75 dis 0 010 0 100 0.200 0 3 dis LO.O
0.200 0.200 0.200 d 2 5 c 5(c) 5
Surface Water, Domestic 0.005 005 10 0.3 0.05 0 002 0.1 0 05 0 1 0 0005 0 03 5 20 5 c 5 c) 5
Surface Water,Agriculture 075 001 0.1 0.2 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
* Nitrate sample recollected on 9/18/08 due to hold time exceedance on 9/8/08 sample
Table 2 Water Quality Data
PR Spring
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