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COLORADO LEGACY LAND <br /> TABLE 2B:SUMMARY OF SURFACE WATER ANALYTICAL DATA <br /> Surface Water Quality Standards Sample Location <br /> Segment 17b,Ralston Creek <br /> Parametef Units CDPHE 2019 1 SW-ARH SW-LLHG SW-Weir <br /> Acute Chronic; 11 10 2020 11/10/2020if MENEMI_ <br /> 11/09 2020 <br /> TDS-Total Dissolved Solids m L 470 292 238 <br /> TSS-Total Suspended Solids m L <5 <5 <5 <br /> Alkalinity as CaCO, m L 164 126 123 <br /> Bicarbonate asCaCO, m L 164 126 122 <br /> Calcium-Dissolved m L 42.4 31.4 29.5 <br /> Carbonate as CaCO3 m L <2 <2 <2 <br /> Chloride m L 250 19.4 13.3 13.4 <br /> Fluoride m L 0.41 0.33 0.38 <br /> Hydroxide as CaCO3 mg/I. <2 <2 <2 <br /> Magnesium-Dissolved m L 15.0 10.4 8.85 <br /> Potassium-Dissolved m L 3.23 2.58 2.45 <br /> Sodium-Dissolved m L 90.5 49.5 35.1 <br /> Sulfate m L 250 167 77.4 45.5 <br /> MMMIMEEIME <br /> Cyanide-Weak Acid Dissociable m L <0.003 0.0138 0.0034 <br /> Nitrate+Nitrite as N m L tNtO,3=10NO2=0.05 0.048 <0-02 0.065 <br /> Phosphate-Total m L 0.0403 0.0341 0.03 <br /> Phosphorus-Total m L 0.11 0.013 0.011 0.01 <br /> MEN ME MENIMENIME MEMMINEEM! <br /> Aluminum m L 4.05 <0.05 <0.05 <br /> Antimony m L <0.0004 <0.0004 <0.0004 <br /> Arsenic m L 1 0.34 0.00028 <0.0002 <0.0002 <br /> Boron m L 0.75 0.121 0.11 0.086 <br /> Chromium mg/l, Chromium III=0.11 <0.01 <0.01 <0.01 <br /> Chromium IV=0.016 Chromium IV=0.011 <br /> Copper m L 0.0213 0.0136 <0.01 <0.01 <0.01 <br /> Iron m L 0.3 0.091 0.11 0-074 <br /> Lead m L 0.109 0.0043 4.0001 <0.0001 <0.0001 <br /> Manganese m L 3.51 1.94 0.12 0.025 0.169 <br /> Mercury m L <0.0002 <0.0002 4.0002 <br /> Molybdenum m L 0.0114 0.00974 0.00985 <br /> Silver m 1, 0.0047 0,00017 <0.0001 <0.0001 <0.0001 <br /> Thallium m L <0.0001 <0.0001 <0.0001 <br /> Uranium m L 0.107 0.0509 0.0124 <br /> Zinc m L 0.249 0.188 <0.02 <0.02 <0.02 <br /> Aluminum m L <0.05 <0.05 <0.05 <br /> Antimony m L <0.0004 <0.0004 <0.0004 <br /> Arsenic m L 1 0.00002 1 0.0005 0.00029 OAM33 <br /> Boron mg/L 0.75 0.135 0.128 0.105 <br /> Chromium mg/L I Chromium III=0.005 <0.01 <0.01 <0.01 <br /> Chromium IV=0.016 Chromium IV=0.011 <br /> PALE 8 OF IS <br />