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Table 3. 2018 Water Quality Results-Beaver Pond(BP-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 /> Analyte 218/2018 1 4/27/2018 1 tif8/WiI1 121612018' MGLt'I Or SMCLPI <br /> Field Measurements <br /> Tempe ture °C 4.0 6.3 12.6 4.4 <br /> Conductivity S/cm 176 160 170 182 <br /> H S.U. 7.26 6.67 7.02 7.26 6-8.5 <br /> Flow cfs Pond Pond Pond Pond <br /> Lab Results <br /> Alkalinity,Bicarbonate 5&0 59.0 60.0 55.0 <br /> Alkalinity,Carbonate ND ND ND ND <br /> Alkalinity,Hydroxide ND ND ND ND <br /> Alkalinity,Total 56.0 59.0 60.0 55.0 <br /> Aluminum Dissolved by ICP ND ND ND ND 0.05 to 0.2121 <br /> Ammonia ND ND ND ND TVS 141 <br /> Antimony Dissolved by ICPMS ND ND ND ND 0.006"' <br /> Arsenic 200.8 by ICPMS ND ND ND ND 0.0111) <br /> Arsenic Dissolved by ICPMS ND ND ND ND 0.01111 <br /> Barium Dissolved by ICPMS 0.0658 0.0539 0.0660 0.0580 2(1) <br /> Beryllium Dissolved by ICPMS ND ND ND ND 0.004... <br /> Boron 200.7 by ICP ND ND ND ND <br /> Cadmium Dissolved by ICPMS ND ND 0.0001 0.0001 0.0051'I <br /> Calcium Dissolved by ICP 29.4 26.0 28.0 29.9 <br /> Chloride by IC ND ND ND ND 250(2) <br /> Chromium 200.8 by ICPMS ND ND ND 0.0015 0.1111 <br /> Copper Dissolved by ICPMS 0.0015 0,0017 0.0013 0.0014 1.311)(3),1.0(2) <br /> Cyanide,WAD ND ND NDI ND 0.2111 <br /> Fluoride by IC 0.227 0.232 0.232 0.217 4.0(1), 2.0(2) <br /> Hardness,dis 89.5 79.4 85.0 90.6 <br /> Iron 200.7 by ICP ND ND ND ND 0.30121 <br /> Iron Dissolved by ICP ND ND ND ND 0.30(2) <br /> Lead 200.8 by ICPMS 0.0005 0.0007 ND ND 0.0151'1(3) <br /> Lead Dissolved by ICPMS ND ND ND ND 0.015111(3) <br /> Magnesium Dissolved by ICP 3.91 3.53 3.68 3.89 0.05(2) <br /> Manganese Dissolved by ICPMS 0.9 0.8 1.9 1.0 TVS 141 /L <br /> Mercury Dissolved by CVAA ND ND ND ND 0.002(1) <br /> Molybdenum Dissolved by ICPMS 0.0011 0,0011 0.0011 0.0011 <br /> Nickel Dissolved by ICPMS 0.0025 0.0034 0.0013 0.0014 0.10) <br /> Nitrate as N by IC 0.089 0,078 0.058 0.097 100) <br /> Nitrate/Nitrite as N by IC Package 0.0891 0.0777 0.0584 0.097 100) <br /> Nitrite as N by IC ND ND ND ND 1(1) <br /> H S.U. 7.47 7.45 7.20 7.41 6-8.5 <br /> Selenium Dissolved by ICPMS ND ND ND ND 0.05(1) <br /> Silver Dissolved by ICPMS ND ND ND ND 0.10j2) <br /> Solids Total Dissolved TDS 120 90.0 120 125 <br /> Solids,Total Suspended(TSS) NA 2.75 0.4981 0.599 <br /> Sulfate by IC 30.2 25.8 28.7 33.8 250(2) <br /> Thallium Dissolved by ICPMS ND ND 0.0005 ND 0.002 <br /> Uranium Dissolved by ICPMS 0.3 0.3 0.3 0.2 30 /L(1) <br /> Zinc Dissolved by ICPMS ND 0.0041 0.0026 0.0021 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 /> cfs=cubic feel 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\2017460.001 SunriseMining-MayDayMine\M-Water Guality12018\Q4\ <br /> Tbls.1-10-D4-May Day Idaho Mine Complex WC-ResuRs-2018xIsxBP-1 <br />