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Table 7. 2018 Water Quality Results -May Day No. 1 Well (MD-1) <br /> May Day Idaho Mine Complex <br /> Sunrise Mining,LLC <br /> All values in mg/L unless otherwise noted <br /> Date Safe Drinking Water Act <br /> Ana(yte <br /> 2/912610 4127/2018 .. 8M2018 MC0.1 or$MCLt4 <br /> Field Measurements <br /> Temperature °C 7.7 7.81 7.5 <br /> Conductivity S/cm) 751 747 764 <br /> H S.U. 7.181 7.141 7.12 6-8.5 <br /> Static Water Level feet 1431 1401 142 <br /> Lab Results <br /> Aluminum Dissolved by ICP ND ND ND 0.05 to 0.2121 <br /> Antimony Dissolved by ICPMS ND ND ND 0.00611 <br /> Arsenic Dissolved by ICPMS ND ND ND 0.011'1 <br /> Barium Dissolved by ICPMS 0.0181 0.0169 0.0162 21'1 <br /> Beryllium Dissolved by ICPMS ND ND ND 0.0041'1 <br /> Boron Dissolved by ICP ND ND ND <br /> Cadmium Dissolved by ICPMS ND ND ND 0.005") <br /> Chromium Dissolved by ICPMS 0.0093 0.0081 0.0135 0.10I <br /> Cobalt Dissolved by ICPMS 0.0005 0.0005 0.0004 <br /> Copper Dissolved by ICPMS 0.0004 0.0030 0.0015 1.31'1131, 1.012j <br /> Cyanide,WAD ND ND ND 0.21'I <br /> Fluoride by IC 0.241 0.233 0.228 4.011l, 2.0121 <br /> Iron Dissolved by ICP ND ND ND 0.30121 <br /> Lead Dissolved by ICPMS ND ND ND 0.0151'1131 <br /> Manganese Dissolved by ICPMS 236 216 210 TVS(4) /L <br /> Mercury Dissolved by CVAA ND ND NDI 0.0021'I <br /> Molybdenum Dissolved by ICPMS ND ND ND <br /> Nickel Dissolved by ICPMS 0.0092 0.0070 0.0048 0.10I <br /> Nitrate as N by IC ND ND ND 100I <br /> Nitrate/Nitrite as N by IC Package ND ND ND 100I <br /> Nitrite as N by IC ND ND ND 1111 <br /> H S.U 7.51 7.32 7.26 6-8.5 <br /> Selenium Dissolved by ICPMS ND ND ND 0.05111 <br /> Silver Dissolved by ICPMS ND ND ND 0.10121 <br /> Sodium Dissolved by ICP 2.54 2.52 2.35 <br /> Solids,Total Dissolved TDS 555 535 520 <br /> Sulfate by IC 154 145 150 250121 <br /> Thallium Dissolved by ICPMS ND ND 0.0005 000277 <br /> Uranium Dissolved by ICPMS 0.7 0.8 0.71 30 /L11I <br /> Vanadium ND ND ND <br /> Zinc Dissolved by ICPMS 0.00321 0.0053 0.0042 TVS141 <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 /> ug/L=microgram per Liter <br /> NA=not applicable <br /> ND=not detected <br /> TVS=table value standards <br /> SGM <br /> 08/20/2018 P:\Project Files\2017-460.001 Sunrise Mining-May Day MineW-Water QualityQ018\Q3\ <br /> Tbls.1-10-Q3-May Day Idaho Mine Complex WQ-Results-2018.xIsxMD-1 <br />