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Table 12 - IRI-1 Annual <br />Perched Aquifer - Up-gradient <br /> 2006 2007 2008 2009 <br />Lab Reference Number L59191 162799 173620 177248 <br />Field Readings <br />De th to Water-Probe 383.1 381.9 383.2 382.64 <br />H** +0.1 units 9.5 9.6 6.8 10.69 <br />Conductivit 612 2970 847 674 <br />Monthi Readin s <br />Alkalinit Total as CaCo3 246 343 254 252 <br />Bicarb HCO3 as CaC03 155 231 247 162 <br />Hardness 41 14 33 5 <br />Total Dissolved Solids 512 587 437 392 <br /> 12 <br />0 0.16 0.15 0.15 <br />Boron . <br />10 <br />7 3.5 10.3 1.3 <br />Calcium . <br />91 112 8 90 <br />Carbonate 30 30 29 32 <br />Chloride 1 <br />5 5.3 5.2 4.7 <br />Fluoride . <br />5 <br />3 1.3 1.8 0.5 <br />Ma nesium . <br />0 <br />3 3.2 4.0 2.3 <br />Potassium . <br />9 <br />33 26.9 21.9 20.3 <br />Silica . <br />131 161 151 143 <br />Sodium 47 <br />0 0.17 0.27 0.10 <br />Strontium . <br />100 100 57 U <br />Sulfate <br />Annual Readin s <br />Aluminum 3.59 1.53 0.31 0.06 <br />Ammonia 0.45 0.25 0.55 0.44 <br />Arsenic 0.0018 0.0006 0.002 0.0012 <br />Barium 0.112 0.044 0.027 0.123 <br />Ber Ilium U U U U <br />Bromide U 0.1 0.1 0.10 <br />Cadmium U U U U <br />Chromium 0.01 U U U <br />COD 70 30 30 40 <br />Co er 0.01 0.01 0.01 U <br /> 69 <br />5 2.62 0.42 0.09 <br />Iron . <br />U U U <br />Lead 04 <br />0 0.05 U OO <br />Lithium . <br />095 <br />0 0.034 0.007 <br />Man anese . U U M <br />Mercur U 0.02 <br /> <br />ol bdenum <br />M <br />U <br />Nickel Nitrate as N <br /> 04 <br />0 07 <br />0 0.25 0.07 <br />Nitrate NO3 + NO2 as . . <br />Nitro en, K'eldahl 3.7 0.9 2.1 2.1 <br />Phos horus, Total 0.15 0.09 0.19 0.15 <br />SAR in water 8.99 18.90 19.90 27.30 <br />Selenium U U U U <br />Vanadium U U U U <br />Zinc 0.05 0.05 0.03 0.04 <br />Cation/Anion Balance -4.5 -13.5 -5.1 3.2