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March 2019 18107649 <br /> ' Table 2: Summary of Monitoring Results for MW-1 <br /> Date Interim Narrative 5126/1999 7121/1999 9/1611999 11/1011999 1/1912000 3113/2000 5/16/2000 7/1012000 9/27/2010 3/3112011 6/28/2011 813112011 11117/2011 3127/2012 6/2712012 911312012 1111312012 3/19/2013 512812013 8/2612013 11/1412013 2I812014 <br /> Standard <br /> MMals <br /> Arsenic,Dissolved m/L 0.01 NA c0,005 U 0.002 B 0.0046 0.02 B 0.027MO.51 <br /> jB 0.013 B 0.015 0.005 B 0.01 B 0.011 <0.01 U <0.01 U 0.003 B 0.001 B 0.002 B 0.002 B <0,005 U 0.002 B <O.o05 U 0.001 B <br /> Barium, issovedm/L2 <0.05 U 0.013 B <0.05 U <0.05 U 0.02 B <0.05 U 0.014 <0.08 U 0.04 B 0.005 B <0.08 U <0.08 U 0.017 B <0.08 U 0.02 B 0.02 B 0.011 B <0.08 U <0.08 U 0.011 B 0.008 B <br /> Boron Dissolved m/L0.75 0.36 0.35 0.41 0.46 0.5 0.46 0.5 0.54 0.59 0.58 0.64 0.64 0.62 0.59 0.71 0.73 064 0.69 0.61 0.6 0.61 <br /> Chromiumlved m/L 0.1 <0.3 U <0.1 U <0.3 U <0.3 U <03 U <0.3 U <0.05 <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <o.01 U <0.01 U <0.01 U <0.01 U <br /> Co er Dissolved m/L 0.2 0.06 B <0.1 U <0.3 U <0.3 U <0.3 U <0.3 U <0.05 <0.3 U <0.3 U <0.05 U <0.3 U <0.3 U <0.05 U <0.3 U <0.3 U <0.3 U <0.05 U <0.3 U <0.3 <0.05 U <0.05 UIron Dissolved m/L 0.3 <0.3 U <0.1 U <0.3 U <0.3 U 0.14 B <0.3 U <0.05 <0.3 U 0.3 <0.05 U <0.3 U 0.2 B 0.15 1.4 <O.3 U <0.3 U -0.05 U <0.3 U -0.3 U <0.05 U <0.05 U <br /> Lead Dissolved m/L 0.05 <0.01 U <0.005 U <0.005 U <0.001 U <0.05 U <0.005 U <0.005 0,0019 B 0.0027 B 0.0052 0.0045 0.0007 B <0.003 U 0.0035 <0.003 U <0.003 U <0.003 U <0.003 U <0.003 <0.003 U <0.003 U <br /> Lithium,Dissolved(mg/L) 2.5 1.1 1.21 1 1 12 1A 1.05 1.3 1.3 1.18 1.2 1.1 1.15 1.1 1.1 1.2 NA NA NA NA NA <br /> Manganese,Dissolved m/L 0.05 0.08 B 0.05 0.09 8 0.1 0.06 0.04 B 0.05 B 0.053 <0.1 U 0.05 B 0.041 <0.1 U <0.1 U 0.026 B 0.04 B 0.04 B 0.04 B 0.025 <0.1 U 0.04 B 0.044 0.054 <br /> Selenium Dissolved m/L 0.02 0.35 0.27 0.19 0.093 0.078 0.054 0.046 0.101 0.4928 0.2684 0.2656 0.2826 0.275 0.2328 0.2204 0.1995 0.1756 0.1828 0.2278 0.257 0.2616 0.2067 <br /> Thallium,Dissolved m/L 0.002 <5 U <0.01 U <5 U 0.00014 B <0.005 U <0.001 U <0.003 U 0.0007 B 0.0016 B 0.0025 B 0.0014 B 0.0017 B <0.003 U <0.003 U 0.0007 B <0.003 U <0.003 U <0.003 U <0.003 U <0.003 U <0.003 U <0.003 U <br /> Uranium,Dissolved m/L 0.03 NA NA NA 0.0192 0.019 0.0205 0.0199 0.0193 0.0364 0.0303 0.0397 44 0.03 0.0403 0.0338 0.0367 0.0433 0.0371 NA NA NA NA NA <br /> ' Zinc,Dissolved m/L 2 <0.3 U <0.1 U <0.3 U <0.3 U 0.07 B <0.3 U <0.3 U <0.05 0.13 B <0.3 U <0.05 II <0.3 U <0.3 U <0.05 U <0.3 U <0.3 U <0.3 U 0.02 <0.3 U <0.3 U <0.05 U 0.01 B <br /> othw <br /> Chloride m IL 250 20 18 36 22 31 28 25 25 <300 U <300 U <300 U 40 B 36.4 B 50 B <250 U <250 U <250 U 86 B <250 U 55.5 B <250 U <250 U <br /> Fluoride m/L 2 0.7 0.7 0.6 0.6 0.8 0.7 0.6 0.5 0.4 B 0.5 0.4 B 0.4 B 0.6 0.6 0.6 0.6 0.7 0.6 0.5 0.5 0.5 0.5 <br /> Nitrate as N m L 10 14.3 19.5 19.6 14 9.4 NA 3.77 3.28 96 88 70 81.6 81 76 89 85 78.5 NA NA NA NA NA <br /> Nitrite as N m L 1 0.07 Owls <1 0.56 0.03 NA 0.04 B 0.66 0.24 0.36 0.34 0.4 0.26 0.29 0.56 0.21 0.11 NA NA NA NA NA <br /> ' Nitrate+Nitrite as N lmqlLl 10 14.4 19.7 19.6 14.6 9.5 NA B 3.81 3.94 96 88 70 82 81 76 90 85 78.6 NA NA NA NA NA <br /> Lab PH s.0 6.5-8.5 8 7.3 7.4 7.6 8.1 7.5 7.5 7.6 8.1 H 8.1 H 8.0 H 8.0 H 8.0 H 8.0 H 8.1 H 8.2 H 8.2 H 8.1 H 8.0 H 8.0 H 7.8 H 7.9 H <br /> Total Dissolved Solids,filterable residue m/L 8595' 7,690.0 7,000.0 6,820.0 7,190.0 6,950.0 6,810.0 6,750.0 6,02OwO 7,770 7,560 7,610 7,540 7,110 7,150 6,770 6,770 6,660 6,610 7 420 6 650 H 7.80 H 7 330 <br /> SuHate m IL 250 6,210 4,780 4,470 5,180 4,530 4,370 4,410 4,000 4,840 4,540 4,820 4,620 4,306 4,056 4,090 4,041 3,991 3,980 4,610 4,230 5,150 4,980 <br /> Gross AI ha Ci/L 15.0 32 62 45 88 0 35 2.7 4.9 41 t31 53 t31 22 t25 5.8 t29 32 t30 48 t30 180 t52 24 t23 -0.51 t22 NA NA NA NA NA <br /> Gross Beta Ci/L 0 69 25 100 0.7 18 0 53 39 t28 36 t28 20 t26 23 t32 27 t31 8.1 t25 190 t36 25 t29 12 N NA NA NA NA NA <br /> ' A Not Nbtoriull anal zed <br /> Aluminum,Dissolved m L 5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Antimony,Dissolved m/L 0.006 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Be Ilium,Dissolved(mg,, 0.004 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Bicarbonate as CaCO3 m/L none NA NA NA NA NA NA NA NA 279 305 309 312 311 333 334 285 337 334 334 330 320 357 <br /> Carbonate as CaCO3 m IL none NA NA NA NA NA NA NA NA <20 U <20 U -20 U <20 U <20 U <20 U -20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <br /> Cadmium Dissolved m/L 0.005 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> ' Calcium Dissolved m/L none NA NA NA NA NA NA NA NA 323 225 305 270 240 198 222 218 169 178 279 258 302 254 <br /> Cobalt Dissolved m/L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> C snide Free m/L 0.2 NA NA NA NA NA NA NA NA NA NA NA NAMNA <br /> NA NA NA NA NA NA NA NA NA <br /> Ma nesium Dissolved m/L none NA NA NA NA NA NA NA NA 336 240 313 272 210 213 203 175 180 265 225 308 256 <br /> Mercu Dissolved m/L 0.002 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Mol bdenum Dissolved m/L 0.21 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> ' Nickel Dissolved m/L 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Potassium,Dissolved m/L none NA NA NA NA NA NA NA NA 22 18 22.7 17 14.8 17 17 13 14.5 19 20 20.7 16.5 <br /> Silver,Dissolved m/L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Sodium Dissolved m IL none NA NA NA NA NA NA NA NA 1,660 1,800 1,680 1,670 1,680 1,630 1,650 1,770 1,670 1,660 1,580 1,820 1,790 <br /> Vanadium Dissolved m/L 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> Notes: <br /> B=Estimated value,less than the practical quanlitation limit for that analyle,but greater than the method detection limit <br /> U=Analyte not detected,reported less than the practical quantitalion 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 for Groundwater(BSGW) <br /> ' 'TDS standard is 1.25'Background,where background is the average of the 1999-20DO sampling <br /> Values in bold indicate a value greater than the BSGW <br /> "The regulatory standard for Gross Beta is provided in units of exposure,millirems per year(mrems/yr),which would require the measurement of specific nuclides(Tritium and Strontium)with known energy levels.Specific nuclides were not part of the approved constituent list. <br /> MAR 0 5 2019 <br /> DMSION OF nCL A"1IdN <br /> ' MINING AND S09" <br /> a[ I pps I <br /> �1 <br /> 1 <br /> ' > GOLDER <br />