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002857 Table 1.--Maximum ZikeZy ambient concentrations of chemicaZ constituents in streams in the Yampa River basin [Based on data collected during low-flow conditions in August-September 1975] - Constituent c Specific conductance, in micromhos per centimeter at 250C-- Dissolved solids, in mg/L (milligrams per 1iter)--~-------- Total hardness, mg/L as calcium carbonate------------------ Calcium, mg/L---------------------------------------------- Magnesium, mg/L-------------------------------------------- Potassium, mg/L-------------------------------------------- Sodium, mg/L----------------------------------------------- Bicarbonate, mg/L------------------------------------------ Chloride, mg/L--------------------------------------------- Fluoride, mg/L--------------------------------------------- Sulfate, mg/L---------------------------------------------- Silica, mg/L----------------------------------------------- Dissolved organic carbon, mg/L as C------------------------ Total organic carbon, mg/L as C---------------------------- . Dissolved nitrogen, mg/L as N------------------------------ Total nitrogen, mg/L as N---------------------------------- . Dissolved phosphorus, mg/L as P---------------------------- Total phosphorus, mg/L as P-------------------------------- Dissolved cadmium, ~g/L (micrograms per liter)------------- Total cadmium, ~g/L---------------------------------------- Dissolved cobalt, ~g/L------------------------------------- Total cobalt, ~g/L----------------------------------------- Dissolved copper, ~g/L------------------------------------- Total copper, ~g/L----------------------------------------- Dissolved iron, ~g/L--------------------------------------- Total iron, ~g/L------------------------------------------- Dissolved lead, ~g/L--------------------------------------- Total lead, ~g/L------------------------------------------- Dissolved manganese, ~g/L---------------------------------- Total manganese, ~g/L-------------------------------------- Dissolved mercury, ~g/L------------------------------------ Total mercury, ~g/L------------------------------~--------- . Dissolved nickel, ~g/L------------------------------------- Total nickel, ~g/L----------------------------------------- Dissolved selenium, ~g/L------------------~---------------- - Total selenium, ~g/L--------------------------------------- Dissolved vanadium ~g/L----------------------------------- 3 ' Total vanadium, ~g/L-------------------------------------- 23 Number of an- x+ 2s alyses 73 1,700 26 550 26 400 26 91 26 44 26 4.4 26 41 26 330 26 9.4 26 .37 28 210 26 21 71 17 71 18 71 .60 71 .81 71 .068 71 .14 73 0 73 1<10 73 .58 72 63 73 3.0 72 18 73 120 73 1,900 73 1.3 72 2<100 73 220 72 310 73 .063 73 .098 73 4.4 72 50 73 2.6 73 3.1 73 2.8 0