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lAk Natural Soda, Inc. <br />2013 Project Status Report & Annual Plan of Development <br />Table 12: IRI -5 Annual Perched Aquifer - Remote Down - gradient <br />Parameters <br />No. of <br />am les <br />High <br />Date <br />Low <br />Date <br />Average <br />Units <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />52 <br />327.00 <br />6/30/09 <br />2.00 <br />12/18/91 <br />181.23 <br />m /I <br />Carbonate as CaCO3 <br />52 <br />284.00 <br />12/18/91 <br />0.00 <br />6/14/08 <br />81.57 <br />m /I <br />Total Alkalinity as CaCO3 <br />52 <br />406.00 <br />3/25/92 <br />181.00 <br />5/29/02 <br />253.88 <br />m /I <br />Bromide <br />23 <br />1.00 <br />8/22/91 <br />0.00 <br />8/12/92 <br />0.21 <br />m /I <br />Cation -Anion Balance <br />49 <br />17.30 1 <br />6/14/08 <br />-10.20 <br />5/26/04 <br />1.31 <br />% <br />Sum of Anions <br />44 <br />15.77 <br />6/16/92 <br />8.43 <br />12/19/95 <br />9.95 <br />Sum of Cations <br />44 <br />15.25 <br />6/16/92 <br />7.90 <br />5/26/04 <br />10.28 <br />Chemical Ox en <br />20 <br />110.00 <br />9/8/93 <br />0.00 <br />5/29/02 <br />47.95 <br />kmea/I <br />Chloride <br />52 <br />420.00 <br />6/16/92 <br />9.00 <br />12/19/95 <br />22.42 <br />Conductivit Lab <br />52 <br />1500.00 <br />6/16/92 <br />795.00 <br />8/12/91 <br />978.00 <br />Fluoride <br />52 <br />0.90 <br />9/16/91 <br />0.00 <br />6/30/95 <br />0.30 <br />m <br />Hardness as CaCO3 <br />52 <br />182.00 <br />6/14/08 <br />1.00 <br />12/20/93 <br />32.39 <br />m /1 <br />Nitrate as N dissolved <br />24 <br />12.50 <br />5/29/02 <br />0.00 <br />8/12/92 <br />1.13 <br />m /I <br />Nitrate /Nitrite as N <br />24 <br />12.50 <br />5/29/02 <br />0.00 <br />8/12/92 <br />1.05 <br />m /I <br />Nitrite as N dissolved <br />24 <br />0.06 <br />9/14/92 <br />0.00 <br />8/12/92 <br />0.02 <br />m /I <br />Nitrogen, Ammonia <br />24 1 <br />0.87 <br />6/23/94 <br />0.08 <br />5/21/07 <br />0.32 <br />m /I <br />Nitrogen, Organic <br />24 <br />80.00 <br />5/15/98 <br />0.00 <br />8/12/92 <br />5.51 <br />m /I <br />Nitrogen, Total Koeldahl <br />24 <br />80.00 <br />5/15/98 <br />0.50 <br />8/12/91 <br />5.17 <br />m /I <br />H lab <br />52 <br />11.90 <br />6/28/93 <br />2.40 <br />6/16/92 <br />9.25 <br />units <br />Phosphate, total <br />22 <br />155.00 <br />7/29/09 <br />0.06 <br />5/29/02 <br />7.63 <br />m /I <br />Phosphorus, total <br />24 <br />1.87 <br />6/18/96 <br />0.02 <br />5/29/02 <br />0.18 <br />m /I <br />SAR in Water <br />43 <br />90.44 <br />1/20/94 <br />7.50 <br />6/30/09 <br />24.16 <br />none <br />Sulfate <br />52 <br />290.00 <br />3/25/92 <br />148.00 <br />3/22/96 <br />201.44 <br />m /I <br />Sulfide <br />23 <br />1.01 <br />8/12/91 <br />0.05 <br />6/14/08 <br />0.29 <br />m /I <br />Total Dissolved Solids <br />51 <br />1,090 <br />6/16/92 <br />504 <br />4/21/94 <br />635 <br />m /I <br />Conductivity, Field <br />65 <br />9,880 <br />5/21/07 <br />715 <br />12/19/95 <br />1,197 <br />mhos <br />H Field <br />64 <br />12.00 <br />8/12/92 <br />6.33 <br />6/14/08 <br />10.06 <br />units <br />Temperature °C Field <br />25 <br />17 <br />6/14/08 <br />9.70 <br />11/1/02 <br />1 13 <br />°C <br />Water Level Field <br />46 <br />248.06 <br />1 6/15/10 <br />1 239.35 <br />10/22/13 <br />241.45 <br />Ft. <br />Parameters <br />No. of <br />Samples <br />High <br />Date <br />Low <br />Date <br />Average <br />Units <br />Metals <br />Aluminum dissolved <br />23 <br />10.00 <br />8/22/92 <br />U <br />5/29/03 <br />1.39 <br />m /I <br />Arsenic dissolved <br />23 <br />0.01 <br />6/18/96 <br />U <br />5/26/04 <br />0.00 <br />m /I <br />Barium dissolved <br />23 <br />0.27 <br />5/21/07 <br />0.01 <br />5/26/04 <br />0.04 <br />m /I <br />Beryllium, dissolved <br />23 <br />0.01 <br />8/22/92 <br />U <br />8/22/92 <br />0.01 <br />m /I <br />Boron dissolved <br />52 <br />0.11 <br />11/21/05 <br />0.02 <br />8/22/97 <br />0.07 <br />m /I <br />Cadmium dissolved <br />23 <br />0.01 <br />8/22/92 <br />U <br />8/22/92 <br />0.01 <br />m /I <br />Calcium dissolved <br />52 <br />63.60 <br />6/14/08 <br />1.00 <br />6/16/92 <br />7.05 <br />m /I <br />Chromium dissolved <br />23 <br />0.02 <br />8/22/92 <br />U <br />6/23/94 <br />0.02 <br />m /I <br />Copper, dissolved <br />23 <br />0.02 <br />8/12/91 <br />U <br />6/23/94 <br />0.02 <br />m /I <br />Iron dissolved <br />23 <br />7.30 <br />8/22/92 <br />1 U <br />5/26/04 <br />0.84 <br />m /I <br />Lead dissolved <br />23 <br />0.02 <br />8/12/91 <br />U <br />8/12/91 <br />0.02 <br />m /I <br />Lithium dissolved <br />23 <br />0.06 <br />10/3/12 <br />U <br />5/26/04 <br />0.03 <br />m /I <br />Magnesium, dissolved <br />52 <br />9.10 <br />6/30/09 <br />U <br />6/30/95 <br />4.32 <br />m /I <br />Manganese, dissolved <br />27 <br />0.07 <br />8/22/92 <br />U <br />8/22/97 <br />0.02 <br />m /I <br />Mercury, dissolved <br />23 <br />0.00 <br />8/22/92 <br />U <br />8/22/92 <br />0.00 <br />m /I <br />Molybdenum, dissolved <br />23 <br />0.03 <br />6/14/08 <br />U <br />6/18/96 <br />0.02 <br />m /I <br />Nickel dissolved <br />23 <br />0.04 <br />7/29/09 <br />U <br />8/22/92 <br />0.03 <br />m /I <br />Potassium dissolved <br />51 <br />22.00 <br />12/18/91 <br />1.20 <br />10/17/13 <br />8.44 <br />m /I <br />Selenium dissolved <br />23 <br />0.00 <br />8/12/91 <br />U <br />8/12/91 <br />0.00 <br />m /I <br />Silica dissolved <br />51 <br />74.00 <br />8/22/92 <br />11.90 <br />6/14/08 <br />19.37 <br />m /I <br />Sodium dissolved <br />52 <br />336.00 <br />6/16/92 <br />166.00 <br />5/26/04 <br />211.43 <br />m /I <br />Strontium dissolved <br />51 <br />1.30 <br />1 6/30/09 <br />0.06 <br />1 6/16/92 <br />0.46 <br />m /I <br />Vanadium dissolved <br />23 <br />0.01 <br />8/22/92 <br />U <br />8/22/92 <br />0.01 <br />m /I <br />Zinc dissolved <br />23 <br />0.08 4 <br />8/22/92 <br />U <br />6/23/94 <br />0.03 <br />m /I <br />DAUB & ASSOCIATES, INC. ,. �_ 27 January 2014 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