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Bicarbonate Alkalinity as HCO3 <br />84 <br />86 <br />80 <br />HISTORICAL SUMMARY OF ANALYTWULTS <br />GROUNDWATER <br />83 <br />83 <br />85 <br />99 <br />97 <br />150 <br />100 <br />100 <br />100 <br />NA <br />97 <br />96 <br />100 <br />Hydroxide Alkalinity as CaCO3 <br />FOOTHILL SANITARY LAND <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Units: mg/l, unless noted <br /><2.0 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Cyanide <br />NA <br />NA <br /><0.017 <br />NA <br />NA <br />NA <br />NA <br />Semple Designation <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R MW -2R MW -2R MW -2R MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />MW -2R <br />NA <br />Sampling Date <br />8/13/03 <br />1/21/04 <br />7/21/04 <br />2/2/05 <br />7/27/05 5/15/06 7/27/06 1/31/07 7/23/07 <br />2/6/08 <br />7/30/08 <br />1/15/09 <br />8/17/09 <br />10/7/09 <br />2/3/10 <br />9/2/10 <br />1/25/11 <br />NA <br />NA <br />2.7 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />(0.25) <br />NA <br />NA <br />NA <br />Constituents of Concern Parameters <br />Calcium <br />15 <br />15 <br />15 <br />16 <br />17.9 <br />17.6 <br />17.5 <br />15 <br />16 <br />21 <br />15 <br />15 <br />16 <br />NA <br />Alkalinity as CaCO3 <br />84 <br />86 <br />80 <br />85 <br />83 83 85 81 NA <br />NA <br />82 <br />82 <br />NA <br />NA <br />79 <br />78 <br />82 <br />3.3 <br />Carbonate Alkalinity as CaCO3 <br /><5.0 <br /><5.0 <br /><5.0 <br /><2.2 <br /><5.0 <2 <3 NA ND <br />ND <br /><2.0 <br /><2.0 <br /><2.5 <br />NA <br /><2.5 <br /><2.5 <br /><2.5 <br />3.3 <br />Bicarbonate Alkalinity as HCO3 <br />84 <br />86 <br />80 <br />85 <br />83 <br />83 <br />85 <br />99 <br />97 <br />150 <br />100 <br />100 <br />100 <br />NA <br />97 <br />96 <br />100 <br />Hydroxide Alkalinity as CaCO3 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><2.0 <br /><2.0 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Cyanide <br />NA <br />NA <br /><0.017 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0028 <br />NA <br />NA <br />NA <br />NA <br />Sulfide <br />NA <br />NA <br />0.036* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.05 <br />NA <br />NA <br />NA <br />NA <br />Total Organic Carbon <br />NA <br />NA <br />2.7 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />(0.25) <br />NA <br />NA <br />NA <br />NA <br />Calcium <br />15 <br />15 <br />15 <br />16 <br />17.9 <br />17.6 <br />17.5 <br />15 <br />16 <br />21 <br />15 <br />15 <br />16 <br />NA <br />15 <br />15 <br />15 <br />Potassium <br />1.4 <br />2.4 <br />2.8 <br />4.1 <br />8.1 <br />8.6 <br />7.9 <br />7.6 <br />3.1 <br />3.6 <br />3.3 <br />3.3 <br />3.3 <br />NA <br />3.2 <br />3.1 <br />3.2 <br />Magnesium <br />8.6 <br />7.6 <br />7.6 <br />7.7 <br />4.1 <br />4.2 <br />3.9 <br />3.3 <br />7.9 <br />12.0 <br />8.1 <br />8.1 <br />8.5 <br />NA <br />8.4 <br />8.1 <br />8.2 <br />Sodium <br />12 <br />11 <br />11 <br />13.2 <br />12.2 <br />13.7 <br />13.3 <br />13 <br />11 <br />16 <br />12 <br />12 <br />13 <br />NA <br />12 <br />12 <br />12 <br />Aluminum, Dissolved <br />NA <br />NA <br />0.043* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.038 <br />NA <br />NA <br />NA <br />NA <br />Antimony, Dissolved <br />NA <br />NA <br />0.000021* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.034 <br />NA <br />NA <br />NA <br />NA <br />Arsenic, Dissolved <br />NA <br />NA <br />0.0018 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.0022 <br />NA <br />NA <br />NA <br />NA <br />Barium, Dissolved <br />NA <br />NA <br />0.032* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.07 <br />NA <br />NA <br />NA <br />NA <br />Beryllium, Dissolved <br />NA <br />NA <br />0.0023* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0011 <br />NA <br />NA <br />NA <br />NA <br />Boron, Dissolved <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Cadmium, Dissolved <br />NA <br />NA <br /><0.000018 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0006 <br />NA <br />NA <br />NA <br />NA <br />Chromium, Total Dissolved <br />NA <br />NA <br />0.0044* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.0015* <br />NA <br />NA <br />NA <br />NA <br />Chromium Hexavalent <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Cobalt, Dissolved <br />NA <br />NA <br /><0.0025 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0037 <br />NA <br />NA <br />NA <br />NA <br />Copper, Dissolved <br />NA <br />NA <br />0.0019* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0015 <br />NA <br />NA <br />NA <br />NA <br />Iron, Dissolved <br />NA <br />NA <br /><0,0038 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0093 <br />NA <br />NA <br />NA <br />NA <br />Lead, Dissolved <br />NA <br />NA <br /><0.000023 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.000054 <br />NA <br />NA <br />NA <br />NA <br />Manganese, Dissolved <br />NA <br />NA <br />0.00060* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0001 I <br />NA <br />NA <br />NA <br />NA <br />Mercury, Dissolved <br />NA <br />NA <br /><0.000032 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.000016 <br />NA <br />NA <br />NA <br />NA <br />Nickel, Dissolved <br />NA <br />NA <br />0.00042* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.00079* <br />NA <br />NA <br />NA <br />NA <br />Selenium, Dissolved <br />NA <br />NA <br /><0.00030 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.00038 <br />NA <br />NA <br />NA <br />NA <br />Silver, Dissolved <br />NA <br />NA <br /><0.01 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0018 <br />NA <br />NA <br />NA <br />NA <br />Thallium, Dissolved <br />NA <br />NA <br /><0.000016 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.021 <br />NA <br />NA <br />NA <br />NA <br />Tin, Dissolved <br />NA <br />NA <br /><0.033 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.007 <br />NA <br />NA <br />NA <br />NA <br />Vanadium, Dissolved <br />NA <br />NA <br />0.019* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.018 <br />NA <br />NA <br />NA <br />NA <br />Zinc. Dissolved <br />NA <br />NA <br /><0.0005 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.0023 <br />NA <br />NA <br />NA <br />NA <br />* = Trace Concentration <br />[ 1 J This analytical result appears to be anomalous and therefore was not used in statistical evaluation procedures. <br />( 1) Parameter also detected in one or more quality control blanks <br />NA = Not Available <br />n:\consulting\data\shared\projects\xls\qmr\79\791289\FH-Hist (2).xls <br />