Laserfiche WebLink
Table 2. 2017 Water Quality Results-La Plata River-Lower Sampling Point(SW-2) <br /> May Day Idaho Mine Complex <br /> Sunrise Mining,LLC <br /> All values in mg/L unless otherwise noted <br /> Date Safe Drinking Water AO' <br /> Analyte 4/2812017 I 6/21/2017 I 10/24/2017 I 12/27/2017 MCL(1)or SMCL12) <br /> Field Measurements <br /> Temperature(CC) 1.1 8.72 10.2 4.1_ <br /> Conductivity(NS/cm) 149 100 161 174_ <br /> Dissolved Oxygen(%) 9.94 8.99 NA NA <br /> pH(S.U.) 7.4_ 7.32_ 7.77 7.28 6-8.5 <br /> ORP(mV) 65 73.8 NA NA <br /> Flow(cfs)* NA NA 6.38 6.01 <br /> Lab Results <br /> Alkalinity,Bicarbonate 59.0 36.0 44.0 61.0 <br /> Alkalinity,Carbonate ND ND ND ND <br /> Alkalinity,Hydroxide ND ND ND ND <br /> Alkalinity,Total 59.0 36.0 44 61.0 <br /> Aluminum Dissolved by ICP ND ND ND ND 0.05 to 0.2(2) <br /> Ammonia ND ND ND ND TVS 0 <br /> Antimony Dissolved by ICPMS 0.0005 ND ND ND 0.006(1) <br /> Arsenic 200.2 by ICP-MS ND ND ND ND 0.01111 <br /> Arsenic Dissolved by ICPMS ND 0.0005 ND ND 0.01(1) <br /> Barium Dissolved by ICPMS 0.0522 0.0326 0.0528 0.0585 211) <br /> Beryllium Dissolved by ICPMS ND ND ND ND 0.004(1) <br /> Boron 200.2 by ICP ND ND ND ND <br /> Cadmium Dissolved by ICPMS ND ND ND ND 0.005(1) <br /> Calcium Dissolved by ICP 22.8 15.6 NA 27.7 <br /> Chloride by IC ND ND ND ND 250(2) <br /> Chromium 200.2 by ICPMS ND ND ND 0.0010 0.1(1) <br /> Chromium NA 0.0011 NA NA <br /> Cobalt NA ND NA NA <br /> Copper Dissolved by ICPMS 0.0039 0.0050 0.0021 0.0013 1.300j, 1.012) <br /> Cyanide,WAD ND ND ND ND 0.2(1) <br /> Fluoride by IC 0.214 0.183 0.232 0.223 4.0('), 2.0(2) <br /> Hardness,dis 69.4 47.1 77.5 84.2 <br /> Iron 200.2 by ICP ND ND ND ND 0.30)2) <br /> Iron Dissolved by ICP ND ND ND ND 0.30)2) <br /> Lead 200.2 by ICPMS ND ND ND ND 0.015(1))3) <br /> Lead Dissolved by ICPMS ND ND ND ND 0.015033) <br /> Magnesium Dissolved by ICP 3.04 2.00 3.39 3.63 0.05)2) <br /> Manganese Dissolved by ICPMS ND 0.0021 0.0019 0.0013 TVS(4) <br /> Mercury Dissolved by CVAA ND ND ND ND 0.002(1) <br /> Molybdenum Dissolved by ICPMS 0.0008 0.0009 0.0010 0.0010 <br /> Nickel Dissolved by ICPMS 0.0010 0.0009 0.0014 0.0014 0.1)1) <br /> Nitrate as N by IC 0.089 0.055 0.071 0.097 100) <br /> Nitrate/Nitrite as N by IC Package 0.0885 0.0553 0.0711 0.0969 10)1) <br /> Nitrite as N by IC ND ND ND ND 11'I <br /> pH(S.U.) 7.84 7.98 7.94 7.76 6-8.5 <br /> Selenium Dissolved by ICPMS ND ND ND ND 0.05)1) <br /> Silver Dissolved by ICPMS ND ND ND ND 0.10)2) <br /> Solids,Total Dissolved(TDS) 85.0 65.0 120 105 <br /> Solids,Total Suspended(TSS) ND ND 1.5 0.501 <br /> Sulfate by IC 16.2 10.3 25.3 28.3 250(2) <br /> Thallium Dissolved by ICPMS ND ND ND ND 0.0021) <br /> Uranium Dissolved by ICPMS 0.2 ND 0.3 0.3 30 pg/L111 <br /> Vanadium NA ND NA NA <br /> Zinc Dissolved by ICPMS 0.0047 0.0024 0.0025 0.0042 TVS(4) <br /> Notes: <br /> mg/L=milligrams per Liter <br /> °C=degrees Celsius <br /> µS/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 /> SGM P.\Project Files\2017-460.001 Sunrise Mining-May Day MineWM-Water Quality\ <br /> 01/1512018 Tbls.1-10-May Day Idaho Mine Complex Wo-Results-2017.xisxSW-2 <br />