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Table 9. 2018 Water Quality Results - La Plata River Alluvium Well (LP-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 M/2018 MCOI or SMCL42) <br /> Field Measurements <br /> Temperature °C 4.0 <br /> Conductivity S/cm) 179 <br /> H SU 7.51 6-85 <br /> Static Water Level feet 9.25 <br /> Lab Results <br /> Aluminum Dissolved by ICP ND 0.05 to 0.2(21 <br /> Antimony Dissolved by ICPMS ND 0.006('1 <br /> Arsenic Dissolved by ICPMS ND 0.010) <br /> Barium Dissolved by ICPMS 00558 2(1) <br /> Beryllium Dissolved by ICPMS ND 0.004(') <br /> Boron Dissolved by ICP ND <br /> Cadmium Dissolved by ICPMS ND 0 005(') <br /> Chromium Dissolved by ICPMS 00017 0 1i'l <br /> Cobalt Dissolved by ICPMS 00004 <br /> Copper Dissolved by ICPMS 00020 1.3t'lt3l, 1 0(2) <br /> Cyanide,WAD ND 0 2(') <br /> Fluoride by IC 0 222 4.0t1l, 2.0(2) <br /> Iron Dissolved by ICP 0.151 0.30(2) <br /> Lead Dissolved by ICPMS ND 0.015(')i31 <br /> Manganese Dissolved by ICPMS 24.6 TVS(4) /L <br /> Mercury Dissolved by CVAA ND 0.002t'l <br /> Molybdenum Dissolved by ICPMS 0.0029 <br /> Nickel Dissolved by ICPMS 0.0127 0 1i') <br /> Nitrate as N bV IC 0.100 1 1001 <br /> Nitrate/Nitrite as N by IC Package 0.100 100i <br /> Nitrite as N by IC ND 1(1) <br /> H S.U. 7.88 6-8.5 <br /> Selenium Dissolved by ICPMS ND 0 05(') <br /> Silver Dissolved by ICPMS ND 0.10i21 <br /> Sodium Dissolved by ICP 1.48 <br /> Solids,Total Dissolved TDS 140 <br /> Sulfate by IC 1 30.4 250t21 <br /> Thallium Dissolved by ICPMS ND 0.002 <br /> Uranium Dissolved by ICPMS 0.3 30 /L(') <br /> Vanadium ND <br /> Zinc Dissolved by ICPMS ND TVS(4) /L <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 P\Project Fiies\2017-460 001 Sunnse Mining-May Day Mine\M-Water Quahty\2018\Q1\ <br /> 02/22/2018 This 1-10-01-May Day Idaho Mine Complex WQ-Results-2018 xlsxLP-1 <br />