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<br />..-.- r j <br />~._\j~ Table 3.--Summary of selected trace-element data for <br /> Pueblo Reservoir, summer 1985--Continued <br /> Concentrations, in micrograms per liter <br /> Number of Standard Minimum Maximum Standard <br /> Constituent analyses Mean devia- value value error <br /> tion of mean <br /> 2Transect 7 August 27, 1985 <br />Barium, dissolved <br />Barium, total 3 100 0 100 100 0 <br />Copper, dissolved 3 2 1 1 2 0 <br />Copper, total 3 3 1 2 3 0 <br />Iron, dissolved 3 30 17 20 50 10 <br />Iron, total 1 30 30 30 <br />Manganese, dissolved 3 10 0 10 10 0 <br />Manganese, total 3 10 0 10 10 0 <br />Nickel, dissolved 3 2 1 1 2 0 <br />Nickel, total 3 7 3 5 10 2 <br />Selenium, dissolved 3 3 0 3 3 0 <br />Selenium, to ta 1 3 3 0 3 3 0 <br />Zinc, dissolved 3 17 6 10 20 3 <br />Zinc, total 3 13 6 10 20 3 <br /> 2Transect 7 September 30, 1985 <br />Ba rium, dissolved 3 64 4 60 67 2 <br />Ba rium, total 3 100 0 100 100 0 <br />Copper, dissolved 3 1 0 1 1 0 <br />Coppe r, tota 1 3 3 0 3 3 0 <br />Iron, dissolved 3 5 1 4 6 1 <br />Iron, total 3 333 12 320 340 7 <br />Manganese, dissolved 3 16 0 16 16 0 <br />Manganese, total 3 57 6 50 60 3 <br />Nickel, dissolved 3 2 0 2 2 0 <br />Nickel, total 3 3 1 3 4 0 <br />Selenium, dissolved 3 3 0 3 3 0 <br />Selenium, total 3 3 0 3 3 0 <br />Zinc, dissolved 3 11 3 9 14 1 <br />Zinc, total 3 30 10 20 40 6 <br /> lWater samples collected at transect 2 were collected near the reservoir <br />bottom. <br /> 2Water samples collected at transect 7 were collected near the reservoir <br />surface. <br /> <br />41 <br />