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) Calcium-Dissolved(g/m3) Carbonate (g/m3 at 25°C) Chloride(g/m3) Chromium-Dissolved(g/m3) Chromium-Hexavalent(g/m3) Chromium-Total(g/m3) Cobalt-Dissolved(g/m3) Copper-Dissolved(g/m3) Cyanide-Total(g/m3) Electrical Conductivity (EC) (mS/m) Fluoride (g/m3) Hardness-Total(g/m3 as CaCO3) Iron-Dissolved(g/m3) Iron-Total(g/m3) Lead-Dissolved(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 Ammoniacal(g/m3) pH(pH units) Phosphorus-Total (g/m3) Potassium-Dissolved(g/m3) Reactive Phosphorus-Dissolved(g/m3) Selenium-Dissolved(g/m3) Silica-Reactive(g/m3 as SiO2) Silver-Dissolved(g/m3) Sodium-Dissolved(g/m3) Strontium-Dissolved(g/m3) Sulphate(g/m3) Thallium-Dissolved(g/m3) Tin-Dissolved(g/m3) Total Kjeldahl Nitrogen (TKN)(g/m3) Total Suspended Solids(g/m3) Uranium-Dissolved(g/m3) Weak Acid Dissociable (WAD) Cyanide(g/m3 Zinc-Dissolved(g/m3) Parameter GLAD Spring C n= 4 GLAD Spring D n= 4 Min Median Max Min Median Max 3.5 3.7 4.1 6.8 8.2 9.6 0.019 0.0275 0.032 0.036 0.073 0.094 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.001 0.001 0.001 0.001 0.001 0.001 0.019 0.026 0.033 0.036 0.039 0.042 4.3 4.5 5 8.3 9.95 11.7 0.007 0.009 0.01 0.008 0.008 0.01 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 2.1 2.85 3.9 2.7 2.75 3 1 1 12.7 13.6 15 15 16 17.2 0.0005 0.0005 0.0005 0.0005 0.0005 0.0006 0.001 0.001 0.00053 0.00053 0.0002 0.00025 0.0003 0.0002 0.0002 0.0002 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.001 0.001 7.4 8.35 10.4 9.1 9.45 9.7 0.05 0.05 11.6 14.75 17.9 15.4 16.05 16.7 0.02 0.02 0.02 0.04 0.045 0.05 0.035 0.084 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 1.12 1.465 1.94 1.91 1.98 2.2 0.0036 0.0061 0.0082 0.0099 0.01125 0.0155 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.9 0.63 0.77 1.035 1.59 0.63 0.755 0.87 0.1 0.1 0.01 0.01 0.01 0.01 0.01 0.012 5.3 5.7 6.2 5.5 5.75 6 0.004 0.006 1.48 1.855 2.2 1.66 1.83 2.2 0.004 0.004 0.001 0.001 0.001 0.001 0.001 0.001 11.2 18.6 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 8.2 8.55 9.9 9.7 10.25 10.5 0.0112 0.0148 0.0187 0.019 0.0191 0.022 6.5 9.75 13 7 7.4 9 0.00005 0.00005 0.00006 0.00005 0.00005 0.00005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.1 0.25 0.37 0.12 0.215 0.23 3 52 71 3 10.5 16 0.00002 0.00002 0.00002 0.00002 0.00002 0.00003 0.001 0.001 0.002 0.001 0.001 0.003 0.0017 0.00225 0.0049 0.0023 0.0024 0.0028 Notes: Blank cells indicate parameter not tested, median only indicates only one sample for specific parameter Sample number indicates max sample size for individual parameters - Not all parameters tested during each sample round 21/01/2021 Table E.5 Summary of Gladstone surface water quality 2017-2019 Water Quality Sampling

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