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' July 2017 1772432 Table 7:Summary of Monitoring Results for MW-7 Date 3/19/2013 5/29/2013 8/27/2013 11/14/2013 2/18/2014 5/21/2014 8/27/2014 11/11/2014 2/18/2015 5/27/2015 8/27/2015 11/9/2015 2/15/2016 5/31/2016 8/16/2016 11/9/2016 5/31/2017 Metals Arsenic,Dissolved m /L 0 010 0 010 B 0 011 0 008 B 0 015 0 009 B NA NA NA NA NA NA NA NA NA NA NA Barium,Dissolved m /L 016 B 014 B 033 208 1 78 352 235 37 543 474 266 265 466 379 124 419 396 Boron,Dissolved m /L 06 09 079 075 075 07 08 08 07 B 06 073 07 08 06 05 063 07 Chromium,Dissolved m /L <0.01 U <0 02 U 0 009 B <0 02 U <0 02 U <0 02 U NA NA NA NA NA NA NA NA NA NA NA Copper,Dissolved m /L <0 5 U <0 5 U <0 3 U <0 3 U <0 3 U <0 5 U NA NA NA NA NA NA NA NA NA NA NA Iron Dissolved m /L 16 34 1.5 29 29 28 44 38 4.6 58 47 46 63 59 23 326 55 Lead,Dissolved m /L <0 003 U <0 005 U <0 005 U <0 005 U <0 005 U <0 005 U NA NA NA NA NA NA NA NA NA NA NA Manganese,Dissolved m /L 027 0.66 051 061 053 041 066 045 03 B 038 037 036 03 03 026 B 0205 019 B Selenium Dissolved m /L 00025 0 006 <0 003 U 0 002 B 0 001 B 0 001 B NA NA NA NA NA NA NA NA NA NA NA Thallium Dissolved m /L <0 003 U <0 005 U <0 005 U <0 005 U <0 005 U <0 005 U NA NA I NA NA NA NA NA NA NA NA NA Zinc,Dissolved m /L <0 5 U <0 5 U <0 3 U <0 3 U <0 3 U <0 5 U NA NA NA NA NA NA NA NA NA NA NA Other Chloride m /L 3,701 5,280 6,040 6,430 6,030 6,510 1 5,330 5,850 6,140 6,330 5,860 5,680 6,230 5,850 5,550 5,990 6,480 Fluoride m /L 1 3 1 0 1 1 1 1 1 104 NA NA NA NA NA NA NA NA NA NA NA Lab pHsu 81 H 80 H 79 H 79 H 80 H 76 H 79 H 79 H 78 H 78 H 79 H 78 H 775 76 H 76 H 8 H 8 H Total Dissolved Solids,filterable residue m /L 8,640 11,500 10,200 H 10,700 H 10,300 10.600 H 10,100 10,600 10,500 10,200 A 8,800 A 10,400 10,800 10,900 10,100 10,700 11,100 Sulfate m /L 1,589 1,240 510 130 B 104 B 609 B 809 B -250 U <250 U <250 U <250 U <250 U <250 U <250 U 179 B 101 B 59 B Supplementary Analytes Bicarbonate as CaCO3 m /L 458 596 696 715 838 822 785 837 NA 765 853 828 821 828 844 836 745 Carbonate as CaCO3 m /L <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 <20 U Calcium,Dissolved m /L 105 142 103 72 678 58 56 51 50 47 52 53 54 50 54 471 52 Ma I-12m Dissolved m /L 40 43 30 25 22 21 21 20 23 19 19 18 20 18 19 18 19 Potassium,Dissolved m /L 11 B 13 B 12 11 10 10 11 9 B 13 B 9 B 9 10 1 11 10 1 10 88 11 Sodium Dissolved m /L 3,200 4,150 4,720 4,280 4,020 4,350 3,910 3,740 3,970 1 4,010 3,930 3,880 4,240 3,930 1 3,820 4,330 1 4,240 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 NA=Analyte not analyzed A=Second and third quarter 2015 reports presented calculated total dissolved solids results l Golder 111117724321W10\ r-p142017_Fnl-2.UI1I.W.S 1-7xlu..I Page 1 of 1 G.AssoCIateS