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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 mg1L unless otherwise noted <br />Analyte <br />Data <br />Safe Drinking Walter Act <br />MCLnI or SMCLI2I <br />21912018 1 4/2712018 <br />Field Measurements <br />Temperature °C <br />40 <br />8.0 <br />Conductivity Slcm) <br />179 <br />755 <br />M S.U. <br />751 <br />7.14 <br />6-85 <br />Static Water Level feet <br />9251 <br />8171 <br />Lab Results <br />Aluminum Dissolved by ICP <br />ND <br />ND <br />0.05 to 0.2(2) <br />Antimony Dissolved by ICPMS <br />NO <br />ND <br />0.00611, <br />Arsenic Dissolved by ICPMS <br />ND <br />ND <br />0.0141) <br />Barium Dissolved by ICPMS <br />0.0558 <br />0 0446 <br />21" <br />Beryllium Dissolved by ICPMS <br />ND <br />ND <br />0.004(') <br />Boron dissolved by ICP <br />ND <br />ND <br />Cadmium Dissolved by ICPMS <br />ND <br />ND <br />0.005111 <br />Chromium Dissolved by ICPMS <br />00017 <br />00020 <br />0.10" <br />Cobalt Dissolved b ICPMS <br />0 0004 <br />0.0004 <br />Copper Dissolved by ICPMS <br />00020 <br />00034 <br />1.3(rr(3', 1 0(2) <br />Cyanide, WAD <br />ND <br />ND <br />0.2(" <br />Fluoride by IC <br />0 222 <br />0 227 <br />4.011). 2.0(2) <br />Iron Dissolved by ICP <br />0151 <br />0135 <br />0.30(2) <br />Lead Dissolved by ICPMS <br />ND <br />ND <br />0.01500) <br />Manganese Dissolved by ICPMS <br />246 <br />162 <br />TVS (4' 1L <br />Mercury Dissolved by CVAA <br />ND <br />ND <br />0.002(1) <br />Molybdenum Dissolved by ICPMS <br />00029 <br />0.0027 <br />Nickel Dissolved by ICPMS <br />00127 <br />00108 <br />0.1(" <br />Nitrate as N by IC <br />0 100 <br />0.102 <br />10('' <br />NitratelNilrile as N by IC Packacle <br />0 100 <br />0.102 <br />10(" <br />Nitrite as N by IC <br />NDI <br />ND <br />1(') <br />H IS U. <br />788 <br />7.69 <br />6-8.5 <br />Selenium Dissolved by ICPMS <br />ND <br />ND <br />0.05"' <br />Silver Dissolved by ICPMS <br />ND <br />ND <br />0.1012' <br />Sodium Dissolved by ICP <br />1.48 <br />104 <br />Solids. Total Dissolved (TDS) <br />140 <br />950 <br />Sulfate U IC <br />30.4 <br />21.3 <br />25012' <br />Thallium Dissolved by ICPMS <br />ND <br />ND <br />0 002 <br />Uranium Dissolved by ICPMS <br />02 <br />02 <br />30 11-4 ' <br />Vanadium <br />NO <br />ND <br />Zinc Dissolved by ICPMS <br />ND <br />ND <br />TVs(, 1L <br />Notes <br />mglL = milligrams per L.ter <br />°C = degrees Celsius <br />PS/cm = microsiemens per centimeter <br />S U. = standard un.ts <br />mV = millivolts <br />NglL = microgram per Luer <br />NA = not app;icab e <br />ND = not detected <br />TVS = table value standards <br />3.}M P wmje t Fies12017-46D.00f Sunrise Mining -May Day MineW-Water Qual4y12fl101Q21 <br />0°+' 41N-13 TEIs.I-10• 01 -May Day Idaho Mine Complex WQ-Resuits-2016, dxxLP. t <br />