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COLORADO LEGACY LAND <br /> TABLE 2B: SU14MWkY OF GROUND WATER ANALYTRAFD� 77 <br /> Domestic Water Supply I - <br /> Sample Location <br /> Parameter Units Drinking Water Standards MW-0 MW-00 MW-18 MW-19 Sump Composite <br /> (CDPHE 2018) 3 020 3/10/2020 3/4/2020 3 6„,920 3/4/2020 <br /> Lead m L 0.05 0.0008 <0.0001 0.0002 <0.0001 0.0007 <br /> Manganese m L 0.05 <0.01 <0.01 0.15 <0.01 <0.01 <br /> Mercury m L 0.002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <br /> Molybdenum m L 0.21 0.0148 0.0004 0.0429 0.037 0.0227 <br /> Silver m L 0.05 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <br /> Thallium m L 0.002 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <br /> Uranium m L 0.03 0.366 0.0014 1 0.3780 0.9670 1.780 <br /> Zinc m L 5.0 0.02 <0.01 <0.01 <0.01 0.01 <br /> Radionuclides <br /> Gross Alpha Ci L 15 23.5 65.8 19 7.7 19 <br /> Gross Beta Ci L - 75 5.3 77 210 320 <br /> Radium 226-Dissolved Ci L - 0.47 0.38 3.9 1.6 0.64 <br /> Radium 226-Total Ci L - 0.36 0.31 5.4 1.2 0.36 <br /> Radium 228-Total Ci L - 0.4 0.24 3.2 0.23 0.06 <br /> Radium 226+Radium 228- <br /> Total pCi L 5.0 0.4 0.3 8.6 1.2 0.4 <br /> Notes: <br /> 'Negative values are shown as less than lower limit of detection <br /> Bold and grey shaded analytical results are greater than the criteria. <br /> Raw Feed sample was collected from Shaft#2. <br /> CaCO3=Calcium Carbonate <br /> mg/L=milligrams per Liter <br /> pCi/L=picocuries per Liter <br /> Chromium III=Trivalent Chromium <br /> Chromium IV=Tetravalent Chromium <br /> NO2=Nitrite <br /> NO3=Nitrate <br /> N/A=Standard not Defined <br /> Source: <br /> CDPHE. 2018. Regulation No.41-The Basic Standards for Ground Water(5 CCR 1002-41). Water Quality Control Commission. December. <br /> PAGE 9 OF 12 <br />