Supporting Technical Assessments

Sample Origin Sample Name Date Laboratory Reference Week (Relative) Week pH pH Units Acidity (pH 3.7) g/m3 as CaCO3 Total Alkalinity g/m3 as CaCO3 Electrical Conductivity (EC) mS/m Dissolved Aluminium g/m3 Dissolved Antimony g/m3 Dissolved Barium g/m3 Dissolved Calcium g/m3 Dissolved Cobalt g/m3 Dissolved Iron g/m3 Dissolved Magnesium g/m3 Dissolved Manganese g/m3 Dissolved Mercury g/m3 Acid Soluble Mercury g/m3 Dissolved Molybdenum g/m3 Dissolved Potassium g/m3 Dissolved Selenium g/m3 Dissolved Silver g/m3 Dissolved Sodium g/m3 Dissolved Strontium g/m3 Dissolved Uranium g/m3 Dissolved Vanadium g/m3 Sulphate g/m3 Dissolved Heavy Metals Dissolved Arsenic g/m3 Dissolved Cadmium g/m3 Dissolved Chromium g/m3 Dissolved Copper g/m3 Dissolved Lead g/m3 Dissolved Nickel g/m3 Dissolved Zinc g/m3 Field Parameters pH pH Units Electrical Conductivity (EC) mS/m Temperature °C Leachate Volume recovered mL Volume in bucket mL # Due to the nature of sample, a 10 fold dilution was required for the Total Alkalinity analysis. This has resulted in a detection limit greater than that normally achieved. * Bucket overflowing. Volume assumed to be 20 L. 1793482 1794275 1794669 1795856 1798033 1-Nov-18 8-Nov-18 15-Nov-18 22-Nov-18 29-Nov-18 6-Dec-18 13-Dec-18 20-Dec-18 27-Dec-18 3-Jan-19 11-Jan-19 17-Jan-19 24-Jan-19 31-Jan-19 7-Feb-19 14-Feb-19 21-Feb-19 28-Feb-19 2081545.2 2089933.2 2097419.3 2107812 2120859 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 1.6 1.6 1.7 1.8 1.6 3600 3500 1800 1950 7600 < 8 < 10 < 8 < 8 < 1.0 1271 1394 928 956 1525 < 0.00008 < 0.0003 < 0.00008 < 0.00015 < 0.0003 0.0006 4400 9700 2800 3100 8500 4.8 6.0 4.8 4.2 13.4 0.0010 0.0010 0.00058 0.00067 0.0027 0.145 0.153 0.062 0.083 0.188 0.74 0.78 0.37 0.43 0.84 0.0058 0.0061 0.012 0.0035 < 0.0010 0.58 0.65 0.28 0.31 0.79 0.58 0.68 0.34 0.41 0.96 1.86 1.46 1.54 1.61 1.51 1.57 1.55 1.54 1.75 1.74 1.7 1.72 1.48 1.07 1.58 1.74 1.82 2.07 1915 1848 1183 1220 1161 813 802 1010 737 711 760 820 1169 1302 1268 1638 1760 2640 14 17.3 19.8 18.6 25.4 20.2 23.1 20.9 22.3 23.9 24.2 23.3 21 23 22.5 23.7 23.2 20.1 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 500 1000 1000 1000 850 1000 1000 1000 0 6000 200 3000 4000 500 3000 7000 0 0 0 400 1000 1000 250 0 500

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