2023-04-26_HYDROLOGY - M2007044

• Permit No: M2007044
• IBM Index Class Name: Hydrology
• Doc Date: 4/26/2023
• Doc Name: Hydrology Report
• From: Energy Fuels Resources Inc
• To: DRMS
• Annual Report Year: 2023
• Report Quarter_Month: 1
• Email Name: ACY
• Email Name: THM
• Media Type: D
• Archive: No

• Pace Analytical
ce IC� 1673 Terra Avenue Sheridan,WY 82801 ph:[phone]
ANALYTICAL QC SUMMARY REPORT
CLIENT: Energy Fuels Resources(USA)Inc. Date: 3/22/2023
Work Order: S2302101 Report ID: S2302101001
Project: Whirlwind
Total(200.2)Metals by EPA 200.7 ICP-Water Sample Type: MBLK Units: mg/L
MB-20410(02/13123 17:42) RunNo:207966 PrepDate: 02/10/23 9:00 BatchlD:20410
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual
Phosphorus ND 0.1
Total(200.2)Metals by EPA 200.7 ICP-Water Sample Type: LCS Units: mg/L
LCS-20410(02/13/23 17:44) RunNo:207966 PrepDate: 02/10/23 9:00 BatchlD:20410
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qua[
Phosphorus 0.4 0.1 0.5 86.1 85-115
Total(200.2)Metals by EPA 200.7 ICP-Water Sample Type: MS Units. mg/L
S2302101-002DS(02/13/23 17:53) RunNo:207966 PrepDate: 02/10/23 9:00 BatchlD:20410
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual
Phosphorus 0.4 0.1 0.5 ND 85.2 70-130
Total(200.2)Metals by EPA 200.7 ICP-Water Sample Type: MSD Units: mg/L
S2302101-002DMSD(02/13/23 17:55) RunNo:207966 PrepDate: 02/10/23 9:00 BatchlD:20410
Analyte Result RL Conc %RPD %REC %RPD Limits Qual
Phosphorus 0.4 0.1 0.4 1.82 83.7 20
Total(200.2)Metals by EPA 200.7 ICP-Water Sample Type: DUP Units: mg/L
S2302101-001 DD(02/13/23 17:48) RunNo:207966 PrepDate: 02/10/23 9:00 BatchlD:20410
Analyte Result RL Ref Samp %RPD %REC %RPD Limits Qual
Phosphorus 0.4 0.1 0.4 0.483 20
Total Recoverable Mercury by EPA 245.1-Water Sample Type: MBLK Units: mg/L
MB(03/01/23 12:54) RunNo:208400
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual
Mercury ND 0.001
Total Recoverable Mercury by EPA 245.1-Water Sample Type: LCS Units: mg/L
Fs�
4:27) RunNo:208400
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual
Mercury 0.005 0.001 0.005 99.4 85-115
Total Recoverable Mercury by EPA 245.1-Water Sample Type: MS Units: mg/L
S2302101-001DS(03/01/23 16:43) RunNo:208400
Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual
Mercury 0.005 0.001 0.005 ND 103 70-130
Total Recoverable Mercury by EPA 245.1-Water Sample Type: MSD Units: mg/L
S2302101-001DSD(03/01/23 16:45) RunNo:208400
Analyte Result RL Conc %RPD %REC %RPD Limits Qual
Mercury 0.005 0.001 0.005 1.65 105 20
Total Recoverable Mercury by EPA 245.1-Water Sample Type: DUP Units: mg/L
52302101-001DD(03/01/23 16:41) RunNo:208400
Analyte Result RL Ref Samp %RPD %REC %RPD Limits Qual
Mercury ND 0.001 ND 20
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