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Table 8. 2018 Water Quality Results -May Day No. 2 Well(MD-2) <br /> May Day Idaho Mine Complex <br /> Sunrise Mining,LLC <br /> All values in mg/L unless otherwise noted <br /> Analyte !ate Safe Drinking Water Act <br /> 8!82038 2tb201 ZtW912018 4WI2018 <br /> Field Measurements <br /> Temperature °C 8.81 9.11 9.31 8.2 <br /> Conductivity S/cm 6131 6101 6091 611 <br /> H S.U. 7.371 7.321 7.131 7.32 6-8.5 <br /> Static Water Level feet 501 581 621 60 <br /> Lab Results <br /> Aluminum Dissolved by ICP ND ND ND ND 0.05 to 0.212t <br /> Antimony Dissolved by ICPMS ND ND ND 0.0060) <br /> Arsenic Dissolved by ICPMS ND ND ND ND 0.01111 <br /> Barium Dissolved by ICPMS 0.0563 0.0501 0.0529 0.0482 2111 <br /> Beryllium Dissolved by ICPMS ND ND ND ND 0.004111 <br /> Boron Dissolved by ICP ND ND ND ND <br /> Cadmium Dissolved by ICPMS 0.0003 0.0002 0.0001 ND 0.005") <br /> Chromium Dissolved by ICPMS 0.0089 0.0074 0.0128 0.0142 0.1j11 <br /> Cobalt Dissolved by ICPMS 0.0002 0.0001 0.0003 ND <br /> Copper Dissolved by ICPMS 0.0011 0.0060 0.0018 0.0031 1.311t13t 1.0(2) <br /> Cyanide,WAD ND ND ND ND 0.20) <br /> Fluoride by IC 0.819 0.799 0.793 0.811 4.0111, 2.0121 <br /> Iron Dissolved by ICP ND ND ND ND 0.30121 <br /> Lead Dissolved by ICPMS ND ND ND ND 0.015(l 11 3 1 <br /> Manganese Dissolved by ICPMS 49.1 52.7 51.2 55.1 TVS 141 /L <br /> Mercury Dissolved by CVAA ND ND ND ND 0.002111 <br /> Molybdenum Dissolved by ICPMS ND ND ND ND <br /> Nickel Dissolved by ICPMS 0.0046 0.0036 0.0027 0.0023 010) <br /> Nitrate as N by IC ND ND ND NDI 100) <br /> Nitrate/Nitrite as N by IC Package ND ND ND NDI 10111 <br /> Nitrite as N by IC ND ND ND ND 1(1) <br /> H S.U. 7.66 7.65 8.50 7.59 6-8.5 <br /> Selenium Dissolved by ICPMS ND ND ND ND 0.05111 <br /> Silver Dissolved by ICPMS ND ND ND ND 0.10(2) <br /> Sodium Dissolved by ICP 38.5 37.9 38.6 37.6 <br /> Solids,Total Dissolved TDS 390 400 4251 395 <br /> Sulfate by IC 46.7 48.2 46.5 48.6 250(2) <br /> Thallium Dissolved by ICPMS ND ND 0.0003 ND 0.002 <br /> Uranium Dissolved by ICPMS 1.5 1.5 1.4 1.7 30 /L111 <br /> Vanadium NDI ND ND ND <br /> Zinc Dissolved by ICPMS NDI 0.0082 ND NDI TVS... <br /> Notes: <br /> mg/L=milligrams per Liter <br /> °C=degrees Celsius <br /> pS/cm=microsiemens per centimeter <br /> S.U.=standard units <br /> mV=millivolts <br /> µg/L=microgram per Liter <br /> NA=not applicable <br /> ND=not detected <br /> TVS=table value standards <br /> SGM <br /> 12/26/2018 P:\Project Files\2017-460.001 SunriseMining-MayDayMinew-Water QualityQO18\Q4\ <br /> Tbls.1-10-Q4-May Day Idaho Mine Complex WQ-Results-2018.xIsxMD-2 <br />