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Table 5: Summary of Monitoring Results for MW -5 <br />Date <br />Interim Narrative <br />Standard <br />5/31/2017 <br />11115/2017 <br />6/6/2018 <br />Metals <br />Arsenic, Dissolved (mg/L <br />001 <br />NA <br />NA <br />NA <br />Barium, Dissolved m /L) <br />2 <br />001 B <br />< 0 03 U <br />< 0 03 U <br />Boron. Dissolved m /L) <br />075 <br />036 <br />036 <br />0.35 <br />Chromium, Dissolved (m /L) <br />01 <br />NA <br />NA <br />NA <br />Copper, Dissolved (mg/L <br />02 <br />NA <br />NA <br />NA <br />Iron, Dissolved (m /L) <br />03 <br />2.15 <br />10.3 <br />0.97 <br />Lead, Dissolved (mg/L <br />0.05 <br />NA <br />NA <br />NA <br />Manganese, Dissolved (mg/L <br />0.05 <br />0.09 <br />0.09 <br />0.08 <br />Selenium, Dissolved (mg/L <br />002 <br />NA <br />NA <br />NA <br />Thallium, Dissolved (m /L) <br />0 002 <br />NA <br />NA <br />NA <br />Zinc, Dissolved (mg/L <br />2 <br />NA <br />NA <br />NA <br />Other <br />Chloride (mg/L <br />250 <br />45.4B <br />25 8 BH <br />19.7 B <br />Fluoride (mg/L <br />2 <br />NA <br />NA <br />NA <br />Lab pHsu <br />6.5-8.5 <br />78H <br />73H <br />7 7 H <br />Total Dissolved Solids, filterable residue (m /L) <br />1 25 x Background* <br />3,970 <br />3,160 <br />3,020 H <br />Sulfate (mg/L <br />250 <br />2,540 <br />1,820 H <br />1,780 <br />SupplementaryUppiementary Analytes <br />Bicarbonate as CaCO3 (mg/L <br />none <br />348 <br />375 <br />401 <br />Carbonate as CaCO3 (mg/L <br />none <br />< 20 U <br />< 20 U <br />< 20 U <br />Calcium, Dissolved (mg/L <br />none <br />429 <br />461 <br />425 <br />Magnesium, Dissolved (m /L) <br />none <br />128 <br />119 <br />109 <br />Potassium, Dissolved (mg/L <br />none <br />8.2 <br />7.2 <br />66 <br />Sodium, Dissolved (mg/L) <br />none <br />614 <br />322 <br />329 <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 />^ = 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 <br />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 />