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Parameters <br />No. of <br />Samples <br />High <br />Date <br />Low <br />Date <br />Average <br />Units <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />86 <br />1680.00 <br />9/24/03 <br />45.00 <br />6/26/02 <br />841.87 <br />mg /I <br />Carbonate as CaCO3 <br />86 <br />693.00 <br />6/26/02 <br />10.00 <br />12/16/03 <br />84.30 <br />mg /I <br />Total Alkalinity as CaCO3 <br />86 <br />1740.00 <br />9/24/03 <br />142.00 <br />9/28/06 <br />912.59 <br />mg /I <br />Bromide <br />28 <br />16.00 <br />6/16/97 <br />0.29 <br />8/1/90 <br />5.56 <br />mg /I <br />Cation -Anion Balance <br />83 <br />11.90 <br />6/23/10 <br />-10.70 <br />8/10/08 <br />-0.90 <br />% <br />Sum of Anions <br />83 <br />153.40 <br />5/24/94 <br />34.16 <br />8/1/90 <br />95.19 <br />meq /I <br />Sum of Cations <br />83 <br />143.00 <br />2/27/97 <br />31.39 <br />8/1/90 <br />93.30 <br />meq /I <br />Chemical Oxygen Demand <br />21 <br />840.00 <br />8/16/94 <br />10.00 <br />8/16/96 <br />199.29 <br />mg /I <br />Chloride <br />86 <br />4690.00 <br />5/24/94 <br />700.00 <br />8/1/90 <br />2773.87 <br />mg /I <br />Conductivity, Lab <br />83 <br />14100.00 <br />2/21/94 <br />1010.00 <br />9/28/06 <br />9530.54 <br />pmhos <br />Fluoride <br />86 <br />23.70 <br />8/1/90 <br />5.50 <br />6/14/08 <br />13.05 <br />mg /I <br />Hardness as CaCO3 <br />86 <br />204.00 <br />2/21/94 <br />28.00 <br />11/20/96 <br />100.66 <br />mg /I <br />Nitrate as N, dissolved <br />27 <br />0.08 <br />6/26/02 <br />0.02 <br />6/28/06 <br />0.05 <br />mg /I <br />Nitrate /Nitrite as N, dissolved <br />27 <br />0.09 <br />6/16/11 <br />0.02 <br />6/28/06 <br />0.06 <br />mg /I <br />Nitrite as N, dissolved <br />27 <br />0.04 <br />6/16/11 <br />0.01 <br />1/29/91 <br />0.02 <br />mg /I <br />Nitrogen, Ammonia <br />27 <br />3.30 <br />8/10/08 <br />0.83 <br />8/13/90 <br />1.90 <br />mg /I <br />Nitrogen, Organic <br />27 <br />10.10 <br />3/14/08 <br />0.40 <br />7/21/93 <br />3.48 <br />mg /I <br />Nitrogen, Total Kjeldahl <br />27 <br />12.10 <br />3/14/08 <br />1.30 <br />6/14/00 <br />5.12 <br />mg /I <br />pH, lab <br />83 <br />8.90 <br />4/24/91 <br />7.70 <br />9/14/04 <br />8.49 <br />units <br />Phosphate, total <br />25 <br />155.00 <br />6/28/06 <br />0.06 <br />8/14/95 <br />17.76 <br />mg /I <br />Phosphorus, total <br />27 <br />0.11 <br />8/13/90 <br />0.02 <br />7/31/91 <br />0.06 <br />mg /I <br />SAR in Water <br />83 <br />4950.00 <br />6/24/03 <br />24.85 <br />8/13/90 <br />154.87 <br />none <br />Sulfate <br />86 <br />158.00 <br />10/25/90 <br />4.00 <br />12/16/04 <br />27.81 <br />mg /I <br />Sulfide <br />22 <br />5.80 <br />6/26/02 <br />0.02 <br />8/10/08 <br />1.18 <br />mg /I <br />Total Dissolved Solids <br />86 <br />8270.00 <br />2/27/97 <br />2114.00 <br />8/1/90 <br />5573.56 <br />mg /I <br />Conductivity, Field <br />84 <br />13600.00 <br />11/17/93 <br />3000.00 <br />8/13/90 <br />9526.77 <br />pmhos <br />pH, Field <br />79 <br />9.53 <br />7/29/09 <br />7.60 <br />6/14/11 <br />8.60 <br />units <br />temperature ( °C), Field <br />27 <br />16.50 <br />9/28/06 <br />7.40 <br />12/15/05 <br />12.59 <br />( °C) <br />Water Level, Field <br />24 <br />543.25 <br />11/23/10 <br />535.59 <br />12/16/04 <br />538.83 <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 />27 <br />0.80 <br />6/16/05 <br />0.03 <br />9/21/10 <br />0.28 <br />mg /I <br />Arsenic, dissolved <br />27 <br />0.05 <br />1/29/91 <br />U <br />6/28/06 <br />0.01 <br />mg /I <br />Barium, dissolved <br />27 <br />1.56 <br />3/14/08 <br />0.09 <br />8/1/90 <br />0.88 <br />mg /I <br />Beryllium, dissolved <br />27 <br />U <br />8/1/90 <br />U <br />8/1/90 <br />U <br />mg /I <br />Boron, dissolved <br />87 <br />1.29 <br />7/21/92 <br />0.10 <br />11/20/96 <br />0.32 <br />mg /I <br />Cadmium, dissolved <br />27 <br />0.03 <br />7/21/93 <br />0.03 <br />7/21/93 <br />0.03 <br />mg /I <br />Calcium, dissolved <br />87 <br />45.00 <br />12/16/04 <br />3.00 <br />11/20/96 <br />12.13 <br />mg /I <br />Chromium, dissolved <br />27 <br />U <br />8/1/90 <br />U <br />8/1/90 <br />U <br />mg /I <br />Copper, dissolved <br />27 <br />0.08 <br />6/24/04 <br />0.08 <br />6/24/04 <br />0.08 <br />mg /I <br />Iron, dissolved <br />27 <br />1.67 <br />10/25/90 <br />0.07 <br />9/21/10 <br />0.39 <br />mg /I <br />Lead, dissolved <br />41 <br />U <br />8/1/90 <br />U <br />8/1/90 <br />U <br />mg /I <br />Lithium, dissolved <br />26 <br />0.10 <br />6/16/97 <br />0.02 <br />8/13/90 <br />0.04 <br />mg /I <br />Magnesium, dissolved <br />87 <br />37.00 <br />2/21/94 <br />5.00 <br />11/20/96 <br />17.00 <br />mg /I <br />Manganese, dissolved <br />26 <br />0.15 <br />10/25/90 <br />0.01 <br />9/21/10 <br />0.05 <br />mg /I <br />Mercury, dissolved <br />27 <br />0.002 <br />9/15/07 <br />U <br />8/14/95 <br />0.001 <br />mg /I <br />Molybdenum, dissolved <br />27 <br />0.37 <br />8/13/90 <br />0.13 <br />10/25/90 <br />0.24 <br />mg /I <br />Nickel, dissolved <br />27 <br />U <br />8/1/90 <br />U <br />8/1/90 <br />U <br />mg /I <br />Potassium, dissolved <br />87 <br />10.00 <br />7/31/91 <br />1.90 <br />2/16/07 <br />3.43 <br />mg /I <br />Selenium, dissolved <br />27 <br />U <br />1/29/91 <br />U <br />8/13/90 <br />U <br />mg /I <br />Silica, dissolved <br />87 <br />63.00 <br />12/16/04 <br />2.10 <br />4/20/92 <br />12.70 <br />mg /I <br />Sodium, dissolved <br />87 <br />3180.00 <br />2/27/97 <br />693.00 <br />8/1/90 <br />2123.98 <br />mg /I <br />Strontium, dissolved <br />87 <br />8.17 <br />2/21/94 <br />0.46 <br />4/20/92 <br />3.63 <br />mg /I <br />Vanadium, dissolved <br />27 <br />U <br />8/1/90 <br />U <br />8/1/90 <br />U <br />mq /I <br />Zinc, dissolved <br />27 <br />0.10 . <br />7/31/91 <br />0.01 <br />10/25/90 <br />0.05 <br />mg /I <br />1 <br />Table 16: 90 -4 Annual A- Groove Aquifer <br />Daub & Associates, Inc. <br />30 NSI Annual Report 2010 <br />