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Table 2. 2017 Water Quality Results-La Plata River-Lower Sampling Point(SW-2) <br /> May Day Idaho Mine Complex <br /> Sunrise Mining Company,LLC <br /> All values in mg/L unless otherwise noted <br /> Analyte Data Safe Drinking Walter Act <br /> 4/28/2017 1 6/2112017 10124/2011 MCLi11 or SMCLO <br /> Field Measurements <br /> Temperature °C 1 1 872 102 <br /> Conductivity S/cm) 149 100 161 <br /> Dissolved Oxygen % 994 899 NA <br /> H SU 74 732 777 6-85 <br /> ORP mV 65 738 NA <br /> Flow cfs' NA NA 638 <br /> Lab Results <br /> Alkalinity,Bicarbonate 590 360 44 <br /> Alkalinity,Carbonate ND ND ND <br /> Alkalinity,Hydroxide ND ND ND <br /> Alkalinity,Total 590 360 44 <br /> Aluminum Dissolved by ICP ND ND ND 0 05 to 0 2121 <br /> Ammonia ND ND ND TVS 141 <br /> Antimony Dissolved by ICPMS 00005 NDI ND 0 006t71 <br /> Arsenic 200 2 by ICP-MS ND ND ND 0 01t'1 <br /> Arsenic Dissolved by ICPMS ND 00005 ND 001111 <br /> Barium Dissolved by ICPMS 00522 00326 00528 2\11 <br /> Beryllium Dissolved by ICPMS ND ND ND 0 004t'I <br /> Boron 200 2 by ICP ND ND ND <br /> Cadmium Dissolved by ICPMS ND ND ND 0 00517) <br /> Calcium Dissolved by ICP 2281 156 NA <br /> Chloride by IC NDI ND ND 250121 <br /> Chromium 200 2 by ICPMS ND ND ND oil' <br /> Chromium NA 00011 NA <br /> Cobalt NA ND NA <br /> Copper Dissolved by ICPMS 00039 00050 00021 1 3j'1t31,1 0121 <br /> Cyanide,WAD ND ND ND 0 2111 <br /> Fluoride by IC 0 214 0 183 0 232 4 Oj'I, 2 Ot21 <br /> Hardness,dts 694, 471 775 <br /> Iron 200 2 by ICP NDI ND ND 0 30t21 <br /> Iron Dissolved by ICP ND ND ND 0 30t21 <br /> Lead 200 2 by ICPMS ND ND ND 0 015"1t31 <br /> Lead Dissolved by ICPMS ND ND ND 0 0151°(3) <br /> Magnesium Dissolved by ICP 304 200 339 0 05121 <br /> Manganese Dissolved by ICPMS ND 00021 00019 TVS t4j <br /> Mercury Dissolved by CVAA ND ND ND 0 002('1 <br /> Molybdenum Dissolved by ICPMS 000081 00009 0 001 <br /> Nickel Dissolved by ICPMS 00010 00009 00014 0 11) <br /> Nitrate as N by IC 0 089 0 055 0 071 1001 <br /> Nitrate/Nitrite as N by IC Package 00885 00553 00711 1001 <br /> Nitrite as N by IC ND ND ND 1(1) <br /> H SU 784 798 794 6-85 <br /> Selenium Dissolved by ICPMS ND ND ND 0 05l'1 <br /> Silver Dissolved by ICPMS ND ND ND 0 10'21 <br /> Solids,Total Dissolved TDS 8501 650 120 <br /> Solids,Total Suspended(TSS) ND ND 1 5 <br /> Sulfate by IC 162 103 253 25012) <br /> Thallium Dissolved by ICPMS ND ND ND 0 002 <br /> Uranium Dissolved by ICPMS 00002 ND 00003 30 /L"1 <br /> Vanadium NA ND NA <br /> Zmc Dissolved b ICPMS 00047 00024 00025 TVSl41 <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 /> pg/L=microgram per Liter <br /> NA=not applicable <br /> SGM P\Project Files12017-060 001 Sunrise Mining Company-May Day Mme\M-Water Qualw <br /> 11/082017 Tbls 1-10-May Day Idaho Mme Complex WO-Results-2017 xlsxSW-2 <br />