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. 1778161 1778828 1779298 1781502 1782588 178709 4-Jan-18 11-Jan-18 18-Jan-18 25-Jan-18 1-Feb-18 7-Feb-18 15-Feb-18 22-Feb-18 1-Mar-18 8-Mar-18 15-Mar-18 22-Mar-18 29-Mar-18 4-Apr-18 12-Apr-18 18-Apr-18 26-Apr-18 3-May-18 10-May-18 17-May-18 23-May-18 1907280.1 1914263.1 1921097 1940132.1 1958862.1 1976201.1 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 1.7 1.7 1.5 1.6 1.5 1.8 3800 4000 6300 4400 8300 2000 < 10 #1 < 10 #1 < 8 #1 < 8 #1 < 8 #1 < 8#1 1174 1287 1941 1902 2240 841 23 0.005 0.0056 360 5.1 2700 137 6.9 < 0.00008 < 0.0015 < 0.002 < 0.00008 < 0.00008 < 0.0003 0.014 47 0.025 < 0.0010 2.3 2.7 0.026 0.47 7,200 8,100 15,000 14,400 14,400 3,300 5.9 7.6 17.8 19.2 26 2.9 0.0122 0.021 0.0187 0.0195 0.009 0.00095 0.64 0.97 1.08 1.29 0.95 0.100 6.4 11 10.2 14.2 6.4 0.81 0.0075 0.0018 0.003 0.002 0.003 0.0020 2.5 3.8 3.9 3.9 2.9 0.52 4.0 6.7 5.6 7.1 4.2 0.46 1.38 1.4 1.45 1.35 1.1 1.12 1.48 1.53 2.55 1.27 1.1 1.28 1.03 0.95 0.93 1.2 2.04 1.64 1.78 1.76 1117 1020 1083 1488 1871 1420 1545 1460 1710 2040 2090 2180 2060 2260 2160 2140 972.5 1099 1266 1426 23.4 20.5 23.1 21.9 20.2 27 21.7 21.9 23.3 15.9 16 16.9 22.1 15.2 15.4 18.9 15.2 15.1 15.8 10.7 0 1000 700 1000 1000 1000 500 1000 500 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 2000 250 100 400 6500 8500 500 0 0 1500 2000 2000 2000 750 1750 1000 20000* 500 2500 1000

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