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Table 4. 2018 Water Quality Results-Idaho Mill Spring(ID-SW) <br /> May Day Idaho Mine Complex <br /> Sunrise Mining,LLC <br /> All values in mg/L unless otherwise noted <br /> Anelyte Date Safe Drinking Water Act <br /> M; 2/9120i8 d12i7,t2018 .. 8/812018 ,. 1276/2f118. MCLt t or SMCLhI <br /> Field Measurements <br /> Temperature °C 5.61 6.61 7.31 4.9 <br /> Conductivity S/cm) 294 288 327 323 <br /> H S.U. 8.261 7.941 7.981 8.18 6-8.5 <br /> Flow cfs NAI NAI NAI NA <br /> Lab Results <br /> Alkalinity,Bicarbonate 123 118 140 135 <br /> Alkalinity,Carbonate 12.0 ND ND ND <br /> Alkalinity,Hydroxide ND ND ND ND <br /> Alkalinity,Total 135 118 140 135 <br /> Aluminum Dissolved by ICP ND ND ND ND 0.05 to 0.2121 <br /> Ammonia ND ND ND ND TVS(41 <br /> Antimony Dissolved by ICPMS 0.0008 NDI 0-0014 0.0013 0.006(1) <br /> Arsenic 200.8 by ICPMS ND ND ND ND 0.0111) <br /> Arsenic Dissolved by ICPMS ND 0.0011 0.0014 0.0011 0.010) <br /> Barium Dissolved by ICPMS 0.0877 0.0756 0.0851 0.0730 2(1) <br /> Beryllium Dissolved by ICPMS ND ND ND ND 0.004(1) <br /> Boron 200.7 by ICP ND ND ND ND <br /> Cadmium Dissolved by ICPMS 0.0001 ND 0.0002 NDJ 0.005") <br /> Calcium Dissolved by ICP 41.3 39.2 45.1 43.2 <br /> Chloride by IC ND ND ND ND 250(21 <br /> Chromium 200.8 by ICPMS ND ND ND 0.0019 0.10) <br /> Copper Dissolved by ICPMS 0.0005 0.0013 0.0009 0.0010 1.3(1)13j,1.012) <br /> Cyanide,WAD ND ND ND ND 0.2(1) <br /> Fluoride by IC ND ND 0.127 0.107 4.0(1), 2.0(2) <br /> Hardness,dis 161 154 181 174 <br /> Iron 200.7 by ICP ND ND 0.067 ND 0.30(2) <br /> Iron Dissolved by ICP ND ND ND ND 0.30(2) <br /> Lead 200.8 by ICPMS ND 0.0005 ND ND 0.015i11(3) <br /> Lead Dissolved by ICPMS ND ND ND ND 0.015(1)(3) <br /> Magnesium Dissolved by ICP 14.1 13.7 16.6 16.1 0.05(2) <br /> Manganese Dissolved by ICPMS ND 0.8 2.2 0.6 TVS 141 /L <br /> Mercury Dissolved by CVAA ND ND ND ND 0.002(1) <br /> Molybdenum Dissolved by ICPMS 0.0006 0.0006 0.0009 0.0008 <br /> Nickel Dissolved by ICPMS 0.0039 0.0026 0.0022 0.0021 0.10) <br /> Nitrate as N by IC 0.157 0.190 0.113 0.124 100) <br /> Nitrate/Nitrite as N by IC Package 0.157 0.190 0.113 0.124 100) <br /> Nitrite as N by IC ND ND ND NDI 1(1) <br /> H S.U. 8.25 8.26 8.11 8.17 6-8.5 <br /> Selenium Dissolved by ICPMS ND ND 0.0011 ND 0.0511) <br /> Silver Dissolved by ICPMS ND ND ND ND 0.1012) <br /> Solids Total Dissolved TDS 215 180 235 225 <br /> Solids,Total Suspended(TSS) NA NDt 0.501 ND <br /> Sulfate by IC 40.4 38.8 46.4 48.5 250(2) <br /> -717 <br /> Thallium Dissolved b ICPMS ND ND 0.0010 ND 0.002 <br /> Uranium Dissolved b ICPMS 1.1 1.2 1.4 1.4 30 /L11J <br /> Zinc Dissolved by ICPMS 0.01581 0.0152 0.02101 0.0171 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 /> cfs=cubic feet per second <br /> µg/L=microgram per Liter <br /> NA=not applicable <br /> ND=not detected <br /> TVS=table value standards <br /> SGM <br /> 12262018 P:\Project Files\2017-460.001 SunriseMining-MayDayMine\M-Water Duality\2018\04\ <br /> Tbls.1-10-04-May Day Idaho Mine Complex WQ-Resu8s-2018.xIsx1 D-Spnng <br />