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.. :: s_ {N Colorado <br /> Analytical QC <br /> A, <br /> Analytical ummary <br /> TASK NO: 240206006 <br /> Report To:CJ Dickerson Receive Date:2/6/24 <br /> Company:Thorin Resources, LLC Project Name:Revenue-Virginius <br /> Test QC Batch ID QC Type Result Method Prep Date <br /> Cyanide-Weak Acid Dissociable QC71174 Blank ND ASTM 2036-09C 2/9/24 <br /> Mercury QC71183 Method Blank ND EPA 245.7 2/8/24 <br /> Cadmium QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Copper QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Lead QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Manganese QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Silver QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Zinc QC71144 Method Blank ND EPA 200.8 2/6/24 <br /> Iron QC71140 Method Blank ND EPA 200.7 2/6/24 <br /> Total Suspended Solids QC71087 Blank ND SM 2540-D 2/6/24 <br /> Test QC Batch ID QC Type Limits %Rec RPD Method <br /> Cyanide-Weak Acid Dissociable QC71174 Duplicate 0-20 - 18.2 ASTM 2036-09C <br /> LCS 90-110 100.3 - <br /> MS 75-125 84.5 - <br /> Mercury QC71183 Duplicate 0-20 - 0.0 EPA 245.7 <br /> LCS 90-110 105.4 - <br /> MS 80-120 98.0 - <br /> Cadmium QC71144 LCS 90-110 93.1 - EPA 200.8 <br /> MS 70-130 101.7 - <br /> MSD 0-10 - 2.4 <br /> Copper QC71144 LCS 90-110 95.4 - EPA 200.8 <br /> MS 70-130 97.8 - <br /> MSD 0-10 - 1.1 <br /> Lead QC71144 LCS 90-110 93.8 - EPA 200.8 <br /> MS 70-130 94.5 - <br /> MSD 0-10 - 2.4 <br /> Manganese QC71144 LCS 90-110 98.9 - EPA 200.8 <br /> MS 70-130 108.8 - <br /> MSD 0-10 - 0.0 <br /> Silver QC71144 LCS 90-110 91.4 - EPA 200.8 <br /> MS 70-130 98.0 - <br /> MSD 0-10 - 2.7 <br /> Zinc QC71144 LCS 90-110 100.1 - EPA 200.8 <br /> MS 70-130 106.3 - <br /> MSD 0-10 - 2.8 <br /> Iron QC71140 Duplicate 0-20 - 0.0 EPA 200.7 <br /> LCS 90-110 100.3 - <br /> MS 75-125 90.9 - <br /> Total Suspended Solids QC71087 Duplicate 0-10 - 2.1 SM 2540-D <br /> LCS 90-110 102.3 - <br /> Abbreviations/References: <br /> RL=Reporting Limit=Minimum Level (d)RPD acceptable due to low duplicate and sample concentrations. <br /> MDL=Method Detection Limit (s)The accuracy of the spike recovery value is reduced due to the analyte <br /> mgt=Milligrams Per Liter or PPM concentration in the sample being disproportionate to the spike level. The laboratory <br /> ug/L=Micrograms Per Liter or PPB control sample recovery was acceptable <br /> mpn/100 mis=Most Probable Number Index/100 mis <br /> Date Analyzed=Date Test Completed ND=Not Detected at Reporting Limit. <br /> ; ;d-:, 240206006 <br /> Page 2 of 4 2/3 <br />