Supporting Technical Assessments

Sample Origin Sample Name Column Set-Up 1836721 09-Nov2021 1838000 19-Nov2021 1838180 24-Nov2021 1838288 02-Dec2021 1838669 13-Dec2021 1838694 20-Dec2021 1838737 22-Dec2021 1838748 30-Dec2021 Date and Time 10/21/2021 8-Nov-21 19-Nov-21 24-Nov-21 2-Dec-21 13-Dec-21 20-Dec-21 22-Dec-21 30-Dec-21 Laboratory Reference - 2763341.3 2773857.1 2778761.3 2787988.3 2798790.3 2807535.3 2812321.1 281.5489.1 Field Parameters FLS Electrical Conductivity mS/m - 19.13 2.566 7.8 2.5 FLS pH pH Units - 6.2 6.18 5.57 7.01 5.7 FLS Temperature °C - 22.7 23.5 18.8 18.5 27 Acidity and Alkalinity Acidity (pH 3.7) /m3 as CaCO - 1.0 1.0 1.0 1.0 1 1 Alkalinity - Total /m3 as CaCO - 3.6 4.3 4.0 17.6 1.0 2.2 Dissolved Heavy Metals and Trace Elements Aluminium-Dissolved g/m3 - 0.003 0.009 0.008 0 30 Antimony-Dissolved g/m3 - 0.0002 0.0002 0.0002 0.0002 0.002 - Arsenic-Dissolved g/m3 - 0.0042 0.0164 0.0045 0.0045 0.0053 0.144 0.096 0.057 Barium-Dissolved g/m3 - 0.005 0.005 0.005 0.005 0.064 - Cadmium-Dissolved g/m3 - 0.00005 0.00005 0.00005 0.00005 0.00005 0.0105 0.0107 0.0064 Calcium-Dissolved g/m3 - 0.38 1.02 1.24 1.73 560 Chromium-Dissolved g/m3 - 0.0012 0.0035 0.0014 0.0021 0.003 0.005 0.006 0.006 Cobalt-Dissolved g/m3 - 0.0002 0.0002 0.0002 0.0002 2.3 Copper-Dissolved g/m3 - 0.002 0.0064 0.0086 0.0052 0.0117 2.5 3.7 1.76 Iron-Dissolved g/m3 - 0.02 0.02 0.02 0.02 28 Lead-Dissolved g/m3 - 0.0001 0.0001 0.0001 0.0001 0.0001 0.0015 0.0019 0.0014 Magnesium-Dissolved g/m3 - 0.1 0.24 0.44 0.82 - 440 Manganese-Dissolved g/m3 - 0.0037 0.0015 0.006 0.0043 - 12.4 Mercury-Dissolved g/m3 - 0.00008 0.00008 0.00039 0.00008 0.00008 0.00017 0.00008 0.00008 Molybdenum-Dissolved g/m3 - 0.0002 0.0002 0.0002 0.0002 0.002 Nickel-Dissolved g/m3 - 0.0005 0.0005 0.0005 0.0005 0.0005 1.26 1.32 0.7 Potassium-Dissolved g/m3 - 0.1 0.65 1.1 2.5 94 Selenium-Dissolved g/m3 - 0.001 0.001 0.001 0.001 0.126 Silver-Dissolved g/m3 - 0.0001 0.0001 0.0001 0.0001 0.001 Sodium-Dissolved g/m3 - 0.7 1.4 2.1 5.5 175 Strontium-Dissolved g/m3 - 0.001 0.0027 0.0033 0.0056 2.7 Sulphate g/m3 - 5 5 5 1.9 5 3,800 4.1 Uranium-Dissolved g/m3 - 0.00002 0.00002 0.00002 0.00002 0.042 Vanadium-Dissolved g/m3 - 0.001 0.001 0.01 Zinc-Dissolved g/m3 - 0.024 0.053 0.027 0.026 0.019 4.1 4.6 2.6 Laboratory Field Parameters pH(pH units) pH units - 5.9 6.2 7.3 6.3 7.1 4.5 5.4 Electrical Conductivity (mS/m) - 0.8 1.8 2.5 1.8 8.2 546 2.3 Leachate Volume in Tubing mL 0 355 80 10 Volume in Bucket mL - 700 600 450 80 Volume Sampled mL - 1,800 1,000 200 350 700 955 530 85 Notes NES - Not enough to sample Cells shaded yellow are below the laboratory limit of reporting Figure 3. T-Stream Vein Column Results

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