Table E.4 Summary of Gladstone groundwater quality 2017-2019 Water Quality Sampling GLD01 n= 7 GLD01a n= 7 GLD02 n= 10 GLD02a n= 10 GLD03 n= 10 GLD03a n= 9 Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max Alkalinity - Total (g/m3 as CaCO3) 3.2 3.4 9 11 19.1 50 1.7 3 4.3 39 53 70 5.6 7.75 20 3.8 4.9 28 Aluminium-Dissolved(g/m3) 0.032 0.036 0.168 0.01 0.017 0.106 0.007 0.046 0.164 0.003 0.003 0.005 0.011 0.015 0.141 0.004 0.012 0.016 Antimony-Dissolved(g/m3) 0.0002 0.0002 0.0002 0.0002 0.0002 0.0005 0.0002 0.0002 0.0002 0.001 0.00175 0.069 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 Arsenic-Dissolved(g/m3) 0.001 0.001 0.0015 0.0014 0.0022 0.0051 0.001 0.001 0.0014 0.034 0.072 0.147 0.001 0.001 0.0012 0.001 0.001 0.0031 Barium-Dissolved(g/m3) 0.055 0.073 0.082 0.057 0.058 0.068 0.027 0.0365 0.053 0.023 0.026 0.031 0.031 0.033 0.034 0.027 0.0285 0.031 Bicarbonate (g/m3 at 25°C) 3.9 4.1 11 13.4 23 60 2.1 3.7 5.2 47 65 85 6.8 9.45 25 4.6 6 34 Boron-Dissolved(g/m3) 0.008 0.01 0.01 0.011 0.013 0.02 0.006 0.008 0.009 0.008 0.014 0.018 0.006 0.0085 0.01 0.006 0.008 0.009 Cadmium-Dissolved(g/m3) 0.00005 0.00005 0.00007 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.0001 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 Caesium - Dissolved (g/m3)(g/m3) 0.00038 0.000495 0.00052 0.00078 0.000805 0.00127 0.00055 0.000665 0.00082 0.005 0.0055 0.0091 0.00071 0.00076 0.00082 0.00058 0.0006 0.00062 Calcium-Dissolved(g/m3) 3.1 4.6 6 4.7 6.9 14.3 0.56 1.54 4.9 29 80 142 0.82 1.285 3.5 0.61 0.83 1.98 Chloride(g/m3) 14 19 22 12 15 16 10 13 14 5 28 34 11 13 15 6 7.9 9 Chromium-Dissolved(g/m3) 0.0005 0.0005 0.001 0.0005 0.0005 0.0006 0.0005 0.0005 0.0008 0.0005 0.0005 0.0013 0.0005 0.0005 0.0007 0.0005 0.0005 0.001 Cobalt-Dissolved(g/m3) 0.0006 0.0008 0.0013 0.0002 0.0005 0.0027 0.0005 0.0011 0.0186 0.0003 0.0114 0.029 0.0002 0.0003 0.001 0.0002 0.0005 0.0008 Copper-Dissolved(g/m3) 0.0005 0.002 0.046 0.0005 0.0005 0.0011 0.0005 0.00065 0.0015 0.0005 0.0005 0.0035 0.0005 0.0005 0.0024 0.0005 0.0005 0.0009 Electrical Conductivity (EC) (mS/m) 14 19.1 24.5 14.4 20.2 33.3 0.1 7.9 11.3 21.9 96.35 134.2 8.2 9.1 13 4.8 5 10.8 Hardness-Total(g/m3 as CaCO3) 20 21 31 28 32 56 3 9 21 91 360 400 7.8 9.1 13.3 3.4 4.6 7.1 Iron-Dissolved(g/m3) 0.05 0.08 0.26 0.35 3.6 5.2 0.02 0.02 1.2 0.02 0.045 0.7 0.02 0.02 0.07 0.02 0.02 0.02 Lanthanum - Dissolved (g/m3)(g/m3) 0.00013 0.000215 0.00027 0.00022 0.000245 0.00026 0.0001 0.00013 0.00042 0.00027 0.00064 0.00106 0.0001 0.00012 0.00025 0.00013 0.000135 0.00032 Lead-Dissolved(g/m3) 0.00013 0.00016 0.00023 0.0001 0.0001 0.0001 0.0001 0.0001 0.00031 0.0001 0.0001 0.00013 0.0001 0.0001 0.00011 0.0001 0.0001 0.00014 Lithium - Dissolved (g/m3)(g/m3) 0.0011 0.0019 0.0021 0.0113 0.0127 0.0163 0.0013 0.00165 0.0033 0.0063 0.076 0.1 0.0012 0.00315 0.0034 0.0022 0.0034 0.0041 Magnesium-Dissolved(g/m3) 2.4 3.3 3.9 3.9 5.4 9.1 0.4 1.4 2.1 4.4 45.5 66 1.12 1.235 1.34 0.43 0.47 1.17 Manganese-Dissolved(g/m3) 0.022 0.04 0.063 0.057 0.11 0.3 0.0076 0.0255 0.79 0.0042 0.149 0.27 0.0031 0.0055 0.048 0.0024 0.0087 0.0142 Mercury-Dissolved(g/m3) 0.0042 0.0055 0.0119 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 Molybdenum-Dissolved(g/m3) 0.0002 0.0002 0.0002 0.0002 0.0002 0.0006 0.0002 0.0002 0.0002 0.0004 0.0008 0.0049 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 Nickel-Dissolved(g/m3) 0.0019 0.0025 0.0034 0.0019 0.0035 0.062 0.0005 0.00055 0.0049 0.0018 0.01005 0.024 0.0005 0.0005 0.0035 0.0005 0.0005 0.0066 Nitrate-N(g/m3) 0.76 2.6 3.4 0.002 0.02 0.089 1.66 1.75 3.6 0.002 0.019 1.64 1.76 2.2 2.8 0.048 0.11 0.171 Nitrate-N + Nitrite-N(g/m3) 0.36 2.6 4.5 0.002 0.002 0.095 1.61 1.76 3.6 0.002 0.0215 1.64 1.76 2.2 2.8 0.021 0.091 0.22 Nitrite-N(g/m3) 0.003 0.014 0.034 0.002 0.006 0.02 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.003 0.002 0.002 0.002 Nitrogen-Total(g/m3) 0.49 2.85 4.6 0.26 0.39 3.6 1.77 2.5 3.3 0.35 0.87 1.63 2.2 2.4 2.6 0.11 0.135 0.3 Nitrogen-Total Ammoniacal(g/m3) 0.035 0.0625 0.073 0.17 0.285 3.1 0.01 0.011 0.018 0.039 0.189 0.37 0.01 0.01 0.01 0.01 0.01 0.01 pH(pH units) 5.1 5.4 6 5.8 6 6.5 4.8 5 5.7 6.2 6.45 7.2 5.6 6 6.3 5.4 5.8 6.6 Potassium-Dissolved(g/m3) 2.2 3 4.8 3.1 3.6 4.6 0.64 1.365 4.2 7.6 12.55 15.6 0.81 0.925 10.3 0.49 0.76 1.92 Rubidium - Dissolved (g/m3)(g/m3) 0.0057 0.0073 0.0079 0.0118 0.01195 0.0154 0.0028 0.0031 0.004 0.05 0.058 0.075 0.00198 0.0021 0.0025 0.00193 0.002065 0.0042 Selenium-Dissolved(g/m3) 0.001 0.001 0.0011 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 0.001 Silver-Dissolved(g/m3) 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 Sodium-Dissolved(g/m3) 13.6 22 32 13.8 19.4 22 7.3 9.05 9.7 8 48.5 52 8.7 13 15.9 6.4 7 15.9 Strontium-Dissolved(g/m3) 0.028 0.0365 0.039 0.044 0.0555 0.092 0.0105 0.0124 0.0175 0.51 0.64 0.9 0.0082 0.0096 0.0098 0.0064 0.0064 0.0173 Sulphate(g/m3) 17 37 48 28 47 76 5 6 9 25 410 650 5 6.5 8 3.5 6 8 Sum of Anions(meq/L) 1.03 1.44 1.97 1.15 1.42 2.4 0.56 0.655 0.81 2.2 10.2 10.6 0.77 0.85 1.1 0.39 0.45 0.51 Sum of Cations(meq/L) 1.14 1.43 2.1 1.25 1.57 2.4 0.42 0.62 0.88 2.4 9.5 10.5 0.56 0.84 1.12 0.39 0.43 0.74 Thallium-Dissolved(g/m3) 0.00008 0.000095 0.00011 0.00005 0.00005 0.00005 0.00006 0.000075 0.00054 0.00005 0.00009 0.00042 0.00005 0.00005 0.00005 0.00007 0.00007 0.00007 Tin-Dissolved(g/m3) 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0018 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 Total Kjeldahl Nitrogen (TKN)(g/m3) 0.12 0.13 0.16 0.26 0.385 3.6 0.15 0.16 1.45 0.34 0.52 0.86 0.1 0.13 0.19 0.1 0.1 0.1 Total Suspended Solids(g/m3) 3 3 11 4 12.5 117 25 139 1760 14 37 154 3 4 20 3 3 3 Uranium-Dissolved(g/m3) 0.00002 0.000025 0.00003 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 0.00002 Vanadium - Dissolved (g/m3)(g/m3) 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 0.001 0.001 0.001 0.001 Weak Acid Dissociable (WAD) Cyanide(g/m3 0.001 0.001 0.002 0.001 0.001 0.002 0.001 0.001 0.001 0.001 0.001 0.0029 0.001 0.001 0.002 0.001 0.0015 0.002 Zinc-Dissolved(g/m3) 0.0029 0.0057 0.0093 0.0014 0.0027 0.051 0.0025 0.0047 0.03 0.0068 0.01695 0.074 0.0034 0.0043 0.013 0.0024 0.003 0.0054 Parameter 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
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