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OT , <br /> ekiab,inc. Laboratory Results <br /> Environmental Laboratory htto://www.teklabinc.com/ <br /> Client: Missouri Cobalt(US Strategic Metals) Work Order: 25040027 <br /> Client Project: Idaho Springs Gold Ore (Colorado) Report Date: 07-Apr-25 <br /> Lab ID: 25040027-001 Client Sample ID: Colorado Gold <br /> Matrix: SOLID Collection Date: 03/26/2025 14:00 <br /> Analyses Certification RL Qual Result Units DF Date Analyzed Batch <br /> SW-846 1311,3010A,6010B,METALS IN TCLP EXTRACT BY ICP <br /> Arsenic NELAP 0.250 <0.250 mg/L 1 04/03/2025 8:23 236911 <br /> Barium NELAP 0.450 <0.450 mg/L 1 04/03/2025 8:23 236911 <br /> Cadmium NELAP 0.0200 0.0560 mg/L 1 04/03/2025 8:23 236911 <br /> Chromium NELAP 0.100 <0.100 mg/L 1 04/03/2025 8:23 236911 <br /> Lead NELAP 0.400 SX 113 mg/L 1 04/03/2025 8:23 236911 <br /> Selenium NELAP 0.500 <0.500 mg/L 1 04/03/2025 8:23 236911 <br /> Silver NELAP 0.0700 <0.0700 mg/L 1 04/03/2025 8:23 236911 <br /> Matrix spike control limits are not applicable due to high sample/spike ratio. <br /> SW-846 1311,7470A IN TCLP EXTRACT <br /> Mercury NELAP 0.00020 0.00111 mg/L 1 04/03/2025 10:02 236944 <br /> Page 7of8 <br />