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<br />Table 14 - IRI-5 Annual <br />Perched Aquifer - Remote Down-gradient <br /> 2005 2007 2008 2009 <br />Lab Reference Number L51270 L62783 L70160 L77248 <br />Field Readings <br />Depth to Water - Manual 241.4 204.50 240.54 <br />- <br />H** +0.1 units 9.1 9.0 8.79 <br />Conductivity 917 969 974 <br />Monthly Readings <br />Alkalinity Total as CaCo3 237 244 253 283 <br />Bicarb C03 as CaC03 190 207 253 279 <br />Hardness 37 36 182 75 <br />Total Dissolved Solids 576 621 727 630 <br />Boron 0.06 0.06 0.11 0.06 <br />Calcium 4.5 5.0 63.6 18.6 <br />Carbonate 47 37 U 5 <br />Chloride 11 12 12 13 <br />Fluoride 0.2 0.2 0.4 0.2 <br />Magnesium 6.3 5.8 5.6 7.0 <br />Potassium 1.8 1.7 2.9 1.5 <br />Silica 14.8 12.6 11.9 12.9 <br />Sodium 195 202 247 182 <br />Strontium 0.67 0.64 1.08 0.86 <br />Sulfate 180 220 230 220 <br />Annual Readings <br />Aluminum 0.26 U U U <br />Ammonia 0.13 0.08 0.21 0.21 <br />Arsenic U U U U <br />Barium 0.015 0.027 0.033 0.102 <br />Beryllium U U U U <br />Bromide U 0.1 U 0.11 <br />Cadmium U U U U <br />Chromium U U U U <br />COD 40 50 50 20 <br />Copper U U U U <br />Iron 0.10 U 0.19 0.08 <br />Lead U U U U <br />Lithium 0.03 0.03 0.05 0.03 <br />Manganese U U 0.010 0.056 <br />Mercury U U U U <br />Molybdenum U U 0.03 U <br />Nickel U U U 0.04 <br />Nitrate as N 0.02 0.03 0.12 0.31 <br />Nitrate N03 + N02 as N) 0.03 0.03 0.12 0.32 <br />Nitrogen, K'eldahl 1.3 2.4 1.9 1.8 <br />Phosphorus, Total 0.40 0.27 0.03 0.05 <br />SAR in water 14.1 14.8 8.06 9.23 <br />Selenium U U U U <br />Vanadium U U U U <br />Zinc U 0.02 0.02 0.02 <br />Cation/Anion Balance 3.3 -1 17.3 -5.9