Supporting Technical Assessments

Alkalinity - Total (g/m3 as CaCO3) Aluminium-Dissolved(g/m3) Antimony-Dissolved(g/m3) Arsenic-Dissolved(g/m3) Barium-Dissolved(g/m3) Bicarbonate (g/m3 at 25°C) Boron-Dissolved(g/m3) Cadmium-Dissolved(g/m3) Caesium - Dissolved (g/m3)(g/m3) Calcium-Dissolved(g/m3) Chloride(g/m3) Chromium-Dissolved(g/m3) Cobalt-Dissolved(g/m3) Copper-Dissolved(g/m3) Electrical Conductivity (EC) (mS/m) Hardness-Total(g/m3 as CaCO3) Iron-Dissolved(g/m3) Lanthanum - Dissolved (g/m3)(g/m3) Lead-Dissolved(g/m3) Lithium - Dissolved (g/m3)(g/m3) Magnesium-Dissolved(g/m3) Manganese-Dissolved(g/m3) Mercury-Dissolved(g/m3) Molybdenum-Dissolved(g/m3) Nickel-Dissolved(g/m3) Nitrate-N(g/m3) Nitrate-N + Nitrite-N(g/m3) Nitrite-N(g/m3) Nitrogen-Total(g/m3) Nitrogen-Total Ammoniacal(g/m3) pH(pH units) Potassium-Dissolved(g/m3) Rubidium - Dissolved (g/m3)(g/m3) Selenium-Dissolved(g/m3) Silver-Dissolved(g/m3) Sodium-Dissolved(g/m3) Strontium-Dissolved(g/m3) Sulphate(g/m3) Sum of Anions(meq/L) Sum of Cations(meq/L) Thallium-Dissolved(g/m3) Tin-Dissolved(g/m3) Total Kjeldahl Nitrogen (TKN)(g/m3) Total Suspended Solids(g/m3) Uranium-Dissolved(g/m3) Vanadium - Dissolved (g/m3)(g/m3) Weak Acid Dissociable (WAD) Cyanide(g/m3 Zinc-Dissolved(g/m3) Parameter P79-s n= 12 P79-i n= 4 P79-d n= 2 GLD04-s GLD04-i GLD04-d Min Median Max Min Median Max Min Median Max Median* Median* Median* 4.9 5.7 6.9 49 50.5 52 30 32 34 65 22 39 0.012 0.014 0.087 0.003 0.003 0.009 0.003 0.004 0.005 0.088 0.057 0.06 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0007 0.00425 0.0078 0.0002 0.0003 0.0015 0.001 0.001 0.001 0.0192 0.0235 0.029 0.0054 0.0083 0.0112 0.001 0.0016 0.001 0.09 0.1 0.103 0.14 0.081 0.107 6 6.9 8.4 60 61 63 37 39 41 79 27 47 0.007 0.0115 0.016 0.015 0.016 0.017 0.021 0.0225 0.024 0.088 0.023 0.038 0.00005 0.00005 0.00008 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00089 0.001015 0.00109 0.00094 0.00145 0.002 5.1 5.45 6.1 13.1 13.7 14.2 6.2 8 9.8 10.5 7.5 25 19 23 29 8 9 11.5 11 11.5 12 9 10 11 0.0005 0.0005 0.0007 0.0005 0.0005 0.0006 0.0005 0.00055 0.0006 0.0005 0.0005 0.0005 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0165 0.0165 0.0032 0.0005 0.0005 0.001 0.0005 0.0005 0.0011 0.0005 0.00055 0.0006 0.0014 0.0005 0.0005 14.8 16.7 17.2 15.9 16.45 17.1 16 16.35 16.7 19.2 15.9 29.4 23 24.5 27 41 45 46 32 35 38 0.02 0.02 0.02 0.33 1.19 1.74 0.08 0.54 1 0.03 0.57 1.18 0.00014 0.000155 0.00018 0.00024 0.0001 0.0001 0.0001 0.0001 0.00011 0.0001 0.000155 0.00033 0.0001 0.00013 0.00016 0.0001 0.0001 0.0001 0.0008 0.0009 0.001 0.014 0.0161 0.0168 0.025 0.028 0.031 0.0179 0.0176 0.027 2.4 2.8 3.1 2.1 2.65 2.7 3.4 3.7 4 2.8 4.4 7.7 0.0142 0.0157 0.0168 0.036 0.0785 0.141 0.038 0.1055 0.173 0.43 0.81 0.25 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.0002 0.0002 0.0002 0.0002 0.00025 0.0003 0.0002 0.0002 0.0002 0.0007 0.0004 0.0026 0.0005 0.0005 0.002 0.0005 0.0005 0.0005 0.0006 0.00075 0.0009 0.0089 0.0081 0.0033 2.3 2.7 2.9 0.002 0.005 0.039 0.002 0.07 0.138 2.1 2.55 2.9 0.003 0.007 0.039 0.002 0.0705 0.139 0.121 0.02 0.012 0.002 0.002 0.002 0.002 0.002 0.003 0.002 0.002 0.002 2.1 2.3 3.1 0.27 0.14 0.17 0.01 0.01 0.01 0.01 0.01 0.013 5.4 5.6 6 7.4 7.8 8 6.8 6.9 7 6.8 6.6 6.8 4.8 5.5 5.9 3.7 3.85 3.9 2.7 2.75 2.8 3.5 4.6 6.3 0.0148 0.016 0.0171 0.0157 0.0173 0.028 0.001 0.001 0.001 0.001 0.001 0.001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 13.7 16.25 17.5 13 13.8 14 14.8 15.75 16.7 24 11.6 15 0.033 0.036 0.038 0.085 0.049 0.104 12 17 20 12.4 14.5 16 19 21.5 24 17 31 78 1.16 1.285 1.47 1.5 1.58 1.59 1.39 1.41 1.43 1.19 1.37 1.44 1.53 1.655 1.68 1.48 1.485 1.49 0.00005 0.00005 0.00005 0.00026 0.00127 0.00014 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.00065 0.0008 0.0008 0.0008 0.0038 0.1 0.1 0.16 0.15 0.13 0.16 3 3 3 430 14 61 0.00003 0.00003 0.00004 0.00003 0.00002 0.00003 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.002 0.0038 0.00555 0.0111 0.001 0.0024 0.0154 0.0088 0.0654 0.122 0.13 0.05 0.17 Notes: * Only one sample round from 2020 Blank cells indicate parameter not tested Sample number indicates max sample size for individual parameters Not all parameters tested during each sample round 21/01/2021 Table E.4 Summary of Gladstone groundwater quality 2017-2019 Water Quality Sampling

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