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<br />l)~2359 <br /> <br /> 90 <br />Z 80 t 11 NUMBER OF <br /> I SAMPLES <br />Z::;: 70 B MAXIMUM <br />Q<( 75TH PERCENTILE <br />f-O:: MEDIAN <br /><(<.:If- 60 11 <br />0::0:::]: 0 -L iSTH PERCENTILE <br />f-W<.:l 50 MINIMUM <br />ffia..- <br />U",W <br />Z::;::;: 40 <br />0<(>- <br />UO::O:: 8 <br />::;:<.:l0 30 ~ U <br />::>~ 10 <br />-U 20 7 Q <br />Z_ ~ <br />~::;: <br />W '0 5 <br />'" 8 <br /> ~ <br /> 0 <br /> 7 7 7 '0 '0 10 <br /> LIVERS EGGS WHOLE BODY LIVERS EGGS WHOLE BODY <br /> SITE NUMBER AND MATRIX <br /> <br />Figure 19.--Summary statistics of selenium concentrations in bird samples <br />from Sweitzer Lake (site 7) and the Gunnison River at Escalante State <br />Wildlife Area (site 10). <br /> <br />Table l5.--Range of concentrations of selected trace elements in composite <br />samples of bird livers from Sweitzer Lake and the Gunnison River at <br />Escalante State wildlife Area <br /> <br />[Concentrations are in micrograms per gram dry weight; NO, not detected; <br />n, number of samples] <br /> <br />Trace <br />element <br /> <br />Western <br />grebe <br />n=2 <br /> <br />Sweitzer Lake <br />(Site 7) <br /> <br />Killdeer <br />n=2 <br /> <br />Coot <br />n=2 <br /> <br />Mallard <br />n=4 <br /> <br />Gunnison River at Escalante <br />State Wildlife Area (Site 10) <br />Common <br />merganser <br />n=3 <br /> <br />Killdeer <br />n=3 <br /> <br />Cadmium NO 3.5-4.2 NO NO-2.9 NO NO-3. <br />Copper 14.7-27.6 20.6-20.6 19.6-26.3 29.5-51.7 12.6-35.3 14.6-24.1 <br />Mercury I. 7-4.1 .20-.28 .42-.43 .33-.90 22.7-42.3 .38-.4 <br />Selenium 72.1-83.6 9.0-25.4 12.2-21.1 9.2-32.6 37.2-52.4 33.0-54.2 <br />Zinc 99.2-143 98.7-103 163-175 107-159 98.6-117 88.7-95.3 <br /> <br />57 <br />