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July 2018 Table 6: Summary of Monitoring Results for MW -6 1899205 Date Interim Narrative Standard 3/19/2013 5/28/2013 8/27/2013 11/14/2013 2/18/2014 5/21/2014 8/27/2014 11/11/2014 2118/2015 5/27/2015 8/27/2015 11/9/2015 2/1512016 5/31/2016 8/16/2016 11/9/2016 Metals Arsenic, Dissolved (mg/L) none 0.002 B < 0.01 U < 0.01 U < 0.01 U 0 004 B 0.007 NA NA NA NA NA NA NA NA NA NA Barium, Dissolved (mg/L none 0.97 3.22 356 4.12 595 3.32 3.46 437 7.37 747 8.74 8.12 8.34 8.26 8.42 8.25 Boron, Dissolved (mg/L none 06 0.7 06 0.6 0.58 07 0.6 07 0.6 B 06 0.65 0.6 0.57 0.5 0.5 0.55 Chromium, Dissolved (mg/L none < 0.01 U < 0 02 U 0.018 B < 0.02 U < 0.02 U < 0.01 U NA NA NA NA NA NA NA NA NA NA Copper, Dissolved (mg/L none < 0.5 U < 0.5 U < 0.5 U < 0.3 U <0.3 U <0.5 U NA NA NA NA NA NA NA NA NA NA Iron, Dissolved (mg/L none 1.0 13 0.6 0.6 0.6 2.1 19 1.3 2.5 4.1 3.9 5.2 53 5.5 54 5 Lead, Dissolved (mg/L none < 0 003 U < 0.005 U < 0.005 U < 0.005 U < 0.005 U < 0.003 U NA NA NA NA NA NA NA NA NA NA Manganese, Dissolved (mg/L none 0.33 0.29 B 0.2 BI 0.19 1 0.19 0.21 B 0.2 B 0.25 B 0.3 B 0.31 0.39 0.42 0.45 0.37 0.35 0.31 Selenium, Dissolved (mg/L none 0.0048 0.007 0.0016 1 0.002 B 0.001 B 0.0033 NA NA NA NA NA NA NA NA NA NA Thallium, Dissolved (mg/L none < 0.003 U < 0 005 U < 0.005 U1 < 0.005 U < 0.005 U < 0.003 U NA NA NA NA NA NA NA NA NA NA Zinc, Dissolved m /L) none <0.5 U < 0 5 U <05 U < 0 3 U < 0.3 U < 0 5 U NA NA NA NA NA NA NA NA NA NA Other Chloride (mg/L none 5,090 5,680 6,080 U 5,860 6,020 6,520 5,610 6,110 5,960 5,680 5,880 5,800 5,590 5,520 6,050 5,620 Fluoride (mg/L none 1.3 1.4 1.4 1.3 1 3 1.25 NA NA NA NA NA NA NA NA NA NA Lab pH (s.u) none 8.1 H 8.2H 82 H 8.2H 82H 7.9H 8.0H 81 H 7.7H 7.8H 7.8H 7.7H 7.78 7.4H 7.6H 7.7H Total Dissolved Solids, filterable residue (mg/L none 9,110 10,200 9,340 H 10,100 H 10,900 8,800 H 9,350 10,400 10,600 10,300 A 8,840 A 10,200 9,780 10,800 10,400 10,500 Sulfate (mg/L none 249.7 < 250 U < 250 U 98.6 B < 250 U 52.5 B < 250 U < 250 U < 250 U < 250 U < 250 U < 250 U < 250 U < 250 U < 250 U < 250 U Supplementary Analytes Bicarbonate as CaCO3 (mg/L none 463 507 513 529 558 580 608 632 NA 656 673 702 691 736 716 715 Carbonate as CaCO3 (mg/L none <20 U < 20 U < 20 U < 20 U <20 U < 20 U <20 U < 20 U NA <20 U < 20 U <20 U <20 U <20 U <20 U < 20 U Calcium, Dissolved (mg/L none 58 44 33 34 32.2 40 41 45 51 49 57.9 63 68 67 69 661 Ma nesium, Dissolved (mg/L none 21 20 18 17 16 16 17 18 22 17 18 17 18 16 19 17.3 Potassium, Dissolved (mg/L none 14 B 12 B 12 B 11 10 11 10 10 13 B 10 10 10 11 9 B 10 107 Sodium, Dissolved (mg/L) none 3,600 3,920 3,860 4,000 3,960 4,060 3,770 3,710 3,840 3,930 3,850 3,840 4,100 3,770 3,780 3,960 Notes: B = Estimated value, less than the practical quantitation limit for that analyte, but greater than the method detection limit U = Analyte not detected, reported less than the practical quantitation limit H = Analysis exceeded method hold time pH is a field test with an immediate hold time IN NA = Analyte not analyzed A = Second and third quarter 2015 reports presented calculated total dissolved solids results Per Section 41.5 (C) (6) the of Regulation 41, the "Interim Narrative Standard" does not apply the waters with TDS grater than 10,000 mg/L C\UwrsIDSkinmAGoltler A9 aan11899205, Holclm BOaactw Ouany 2018 CO - RportsZo ftc"r_SamplRa ttk laaia=18 DR-23JW181Tabl.\ 1 G O L D E R