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July 2018 <br />Table 1: Summary of Monitoring Results for MW -1 <br />Date <br />Interim Narrative <br />Standard <br />5/21/2014 <br />8/27/2014 <br />11/1112014 <br />2/18/2015 <br />5/27/2015 <br />8/27/2015 <br />11/9/2015 <br />2/15/2016 <br />5/31/2016 <br />8/16/2016 <br />1119/2016 <br />5/31/2017 <br />11/15/2017 <br />616/2018 <br />Metals <br />Arsenic, Dissolved (mg/L <br />001 <br />0.001 B <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 />Barium, Dissolved (mg/L <br />20 <br />0.004 B <br />0.006 B <br />0.007 B <br />0.009 B <br />< 0 08 U <br />< 0.08 U <br />< 0.08 U <br />0 03 B <br />< 0 08 U <br />< 0.08 U <br />0 007 B <br />< 0.08 U <br />< 0.08 U <br />< 0.08 U <br />Boron, Dissolved (mg/L <br />0.75 <br />0.57 <br />0.56 <br />058 <br />0.59 <br />0.55 <br />057 <br />0.52 <br />0.6 <br />0.51 <br />0.51 <br />0.56 <br />0.61 <br />0.61 <br />0.65 <br />Chromium, Dissolved (mg/L <br />0.1 <br />< 0.01 U <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 />Copper, Dissolved (mg/L <br />0.2 <br />< 0.05 U <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 />Iron, Dissolved m/L <br />0.3 <br /><0.05U <br /><0.05U <br /><0.05U <br /><005U <br /><0.3U <br /><03U <br /><03U <br /><0.3U <br /><0.3U <br /><0.3U <br /><0.05U <br /><03U <br /><03U <br /><0.3U <br />Lead, Dissolved (mg/L <br />0.05 <br />< 0 003 U <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 />Lithium, Dissolved (mg/L <br />2.5 <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 />Manganese, Dissolved (mg/L <br />0.05 <br />0.033 <br />0 045 <br />0.041 <br />0.052 <br />< 0.1 U <br />0 04 B <br />< 0.1 U <br />0.04 B <br />< 0.1 U <br />< 0.1 U <br />0.04 <br />< 0.1 U <br />< 0.1 U <br />< 0.1 U <br />Selenium, Dissolved (mg/L <br />002 <br />0.2775 <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 />Thallium, Dissolved (mg/L <br />0 002 <br />< 0.003 U <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 />Uranium, Dissolved (mg/L <br />0.0168 <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 />Zinc, Dissolved (mg/L <br />2.0 <br /><005 U <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 />Other <br />Chloride (mg/L <br />250 <br />< 250 U <br /><250 U <br />< 250 U <br />68.9 B <br />154 B <br />< 250 U <br />< 250 U <br />< 250 U <br />< 250 U <br />< 250 U <br />47.5 B <br />32.2 B <br />41.3 BH <br />27.5 B <br />Fluoride (mg/L <br />20 <br />0.44 <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 />Nitrate as N (mg/L <br />10.0 <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 />Nitrite as N (mg/L <br />10 <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 />Nitrate+Nitrite as N (mg/L <br />10.0 <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 />Lab pH (s u) <br />6.5-8.5 <br />7 8 H <br />7.8H <br />8H <br />7.9H <br />7 9 H <br />8H <br />7.9H <br />7.84 <br />7.9H <br />8.1 H <br />8.1 H <br />8 2 H <br />8H <br />8 3 H <br />Total Dissolved Solids, filterable residue (mg/L <br />8595* <br />6,910 H <br />6,950 <br />7,900 <br />7,380 <br />8,210 A <br />7,760 A <br />8,020 <br />7,660 <br />8,450 <br />8,040 <br />7,460 <br />7,010 <br />7,070 <br />7,240 <br />Sulfate (mg/L <br />250 <br />6,850 <br />4,670 <br />4,300 <br />4,800 <br />5,540 <br />5,640 <br />5,430 <br />5,250 <br />5,470 <br />5,540 <br />4,700 <br />4,690 <br />4,340 H <br />4,530 <br />Gross Alpha pCi/L <br />15.0 <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 />Gross Beta Ci/L <br />none <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 />Supplementary Analytes Not Historical) anal ed <br />Bicarbonate as CaCO3 (mg/L <br />none <br />333 <br />310 <br />325 <br />NA <br />320 <br />302 <br />306 <br />319 <br />307 <br />329 <br />325 <br />369 <br />361 <br />358 <br />Carbonate as CaCO3 (mg/L <br />none <br /><20 U <br /><20 U <br /><20 U <br />NA <br /><20 U <br /><20 U <br /><20 U <br /><20 U <br /><20 U <br /><20 U <br /><20 U <br />< 20 U <br /><20 U <br />3.1 B <br />Calcium, Dissolved (mg/L <br />none <br />330 <br />287 <br />309 <br />230 <br />301 <br />320 <br />289 <br />279 <br />345 <br />275 <br />269 <br />187 <br />175 <br />220 <br />Magnesium, Dissolved (mg/L <br />none <br />364 <br />297 <br />303 <br />247 <br />300 <br />342 <br />301 <br />290 <br />376 <br />301 <br />283 <br />202 <br />188 <br />225 <br />Potassium, Dissolved (mg/L <br />none <br />18.9 <br />19.4 <br />21 8 <br />15.6 <br />19 <br />20 <br />18 <br />18.6 <br />22 <br />16 <br />20.5 <br />13 <br />12 <br />16 <br />Sodium, Dissolved (mg/L) <br />none <br />1,910 <br />1,570 <br />1,510 <br />1,770 <br />1,670 <br />1,740 <br />1,770 <br />1,720 <br />1,570 <br />1,710 <br />1,640 <br />1,710 <br />1,660 <br />1,650 <br />Notes• <br />B = Estimated value, less than the practical quantitation limit for that analyte, but greater than the method detection limit <br />U = Analyte not detected, reported less than the practical quantitation limit <br />H = Analysis exceeded method hold time pH is a field test with an immediate hold time. <br />NA = Analyte not analyzed <br />A = Second and third quarter 2015 reports presented calculated total dissolved solids results <br />Per Section 41.5 (C) (6) the of Regulation 41, the "Interim Narrative Standard" , is the minimum of Table 1- Table 4 of The Basic Standards for Groundwater (BSGW) <br />*TDS standard is 1 25 * Background, where background is the average of the 1999-2000 sampling <br />Values in bold indicate a value greater than the BSGW <br />1899205 <br />C kUwm'DSlunnerNGolder Aaso InXIBS9205,Hoiam BoetkherQua"2018CO-RaWns BoetMher_Swv Reeutt_lMH&f1018 DR-23JuI18XTaWwk 2 kil)o G O L D E R <br />