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 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 * Bucket overflowing. Volume assumed to be 20 L. # 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. Additional limestone added 1/3/18 1781504 1782590 1783711 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 1940132.3 1958862.3 1976201.3 29 30 31 32 33 34 35 36 37 38 39 40 41 42 29 30 31 32 33 34 35 36 37 38 39 40 41 42 1.5 1.3 1.6 12900 12300 3500 < 8 #1 < 8 #1 < 8#1 2250 3040 1254 < 0.00008 < 0.00008 < 0.0003 20,000 20,000 4,500 30 34 3.7 0.0096 0.007 0.0013 1.03 0.9 0.164 7 5.2 1.10 < 0.0010 < 0.010 0.0042 3.6 3.3 0.79 4.2 3.6 0.65 1.19 2.56 1.11 1.11 0.92 0.85 0.94 0.69 1.3 1.91 1.5 1.58 1.63 1998 2030 2660 2670 3860 2750 3080 3190 3220 1462 1168 1936 2130 20.7 23.8 16 16.2 17 21.7 14 14.3 17.2 15 15 15.3 10.7 1000 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 500 0 0 1500 2000 1000 1500 1100 1000 1000 20000* 1000 2100 1000

RkJQdWJsaXNoZXIy MjE2NDg3