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Table 6. Trace-element concentrations in fish-liver samples, Yellowstone River Basin, 1998
[mm, millimeter; g, gram; element concentrations are in micrograms per gram dry weight; <, less than]
Site number Fish species Number of fish in sample Mean total length (mm) Mean weight (g) Percent of fish with anomalies Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt
1 cutthroat trout 8 416 655 38 6.6 <.2 0.7 3.4 <.2 0.3 0.5 0.7 <.2
2 cutthroat trout 7 286 290 0 4.6 <.3 1.1 3.4 <.3 0.7 1.2 1.1 0.6
3 brown trout 5 224 134 0 3.3 <.4 <.4 <.1 <.4 0.6 <.4 <.5 <.4
4 cutthroat trout 7 215 131 0 1.2 <.4 0.5 <.1 <.4 0.6 0.6 0.7 <.4
5 white sucker 8 279 266 50 14.1 <.3 <.3 0.3 <.3 0.5 <.3 <.5 0.3
6 white sucker 7 286 270 86 7.9 <.3 0.8 0.3 <.3 0.9 <.3 0.6 <.3
7 white sucker 8 292 295 25 18.3 <.3 0.3 0.2 <.3 0.9 <.3 0.6 <.3
10 common carp 8 503 1,744 12 11.7 <.2 1.1 0.3 <.2 <.2 41.2 <.5 0.3
11 common carp 5 449 1,134 0 8.9 <.1 1.3 0.2 <.1 0.3 6.3 <.5 0.3
12 brook trout 7 190 73 0 7.4 <.6 <.6 <.1 <.6 2.3 <.6 0.9 0.8
13 white sucker 6 261 186 0 40.3 <.2 0.9 0.8 <.2 0.9 <.2 0.6 0.3
14 common carp 5 494 1,498 20 14.8 <.2 0.7 0.2 <.2 0.5 12.0 <.5 0.3
15 brown trout 8 311 332 25 1.4 <.2 1.6 <.1 <.2 0.6 0.3 0.6 0.4
16 common carp 8 493 1,794 25 15.8 <.2 1.2 0.3 <.2 0.4 7.6 <.5 0.3
17 brown trout 8 276 237 0 3.3 <.2 0.8 <.1 <.2 0.9 <.2 0.6 0.3
18 white sucker 8 347 482 75 23.4 <.2 0.3 0.3 <.2 0.6 <.2 <.5 <.2
18 common carp 5 600 3,180 80 15.0 <.2 0.5 0.1 <.2 0.5 2.2 <.5 0.4
19 white sucker 6 335 446 0 1.5 <.1 0.5 0.1 <.1 0.6 0.2 0.7 0.3
21 white sucker 9 230 126 0 35.1 <.4 0.7 1.0 <.4 1.2 1.0 0.6 <.4
22 white sucker 5 288 253 20 60.3 <.1 0.5 0.4 <.1 0.5 0.2 0.8 0.3
24 common carp 7 477 1,614 0 43.1 <.1 0.4 1.4 <.1 0.3 4.6 <.5 0.2
Table 6. Trace-element concentrations in fish-liver samples, Yellowstone River Basin, 1998-- Continued
Site number Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Strontium Uranium Vanadium Zinc Water (percent)
1 229 889 <.2 5.7 0.54 0.9 <.2 7.9 0.6 0.5 <.2 1.1 126 79.1
2 207 757 <.3 9.5 0.09 1.3 <.3 22.0 0.3 0.3 <.3 1.6 128 79.8
3 200 295 <.4 2.3 0.1 0.7 <.4 13.2 <.4 0.4 <.4 <.4 75.5 70.6
4 196 537 <.4 4.8 <.080 0.8 <.4 13.5 <.4 0.4 <.4 <.4 94.6 77.0
5 20.6 677 <.3 7.2 0.3 0.7 <.3 5.2 0.3 1.0 <.3 0.5 80.0 76.9
6 80.1 782 <.3 9.2 <.4 0.9 <.3 5.5 0.5 1.2 <.3 0.4 120 80.5
7 7.4 1,000 <.3 4.4 <.3 0.3 <.3 5.9 <.3 0.8 <.3 0.5 61.2 80.1
10 138 1,300 0.2 4.6 0.77 1.7 <.2 11.5 0.3 2.1 <.2 2.9 882 74.2
11 62.2 457 <.1 4.7 0.47 1.5 <.1 7.8 0.2 0.7 <.1 2.2 856 69.9
12 71.9 878 <.6 3.9 <.6 0.9 <.6 10.9 <.6 0.5 <.6 0.7 103 76.7
13 66.1 638 <.2 16.0 <.2 0.7 0.2 19.2 0.7 3.2 <.2 0.6 113 79.3
14 71.3 892 <.2 4.7 0.71 1.8 <.2 9.2 0.3 0.8 <.2 3.4 762 72.5
15 397 489 <.2 3.7 0.13 0.9 <.2 44.9 1.6 <.1 <.2 0.4 90.2 76.4
16 78.2 677 <.2 6.6 0.29 1.4 0.2 7.8 0.6 1.4 <.2 1.2 976 67.2
17 194 450 <.2 6.5 0.14 0.8 <.2 22.4 2.3 <.1 <.2 0.3 98.5 77.1
18 48.2 344 <.2 10.8 0.08 0.9 <.2 4.9 0.7 0.5 <.2 0.5 98.7 76.2
18 62.5 369 <.2 5.7 0.33 1.6 <.2 8.4 0.5 0.5 <.2 1.8 634 75.8
19 55.5 212 <.1 9.1 <.1 0.9 <.1 6.7 0.3 0.8 <.1 0.3 115 76.5
21 162 1,080 <.4 12.4 <.4 1.3 <.4 11.7 1.0 2.1 <.4 0.7 199 82.2
22 98.8 358 <.1 7.4 0.2 0.7 <.1 6.4 0.6 1.6 <.1 0.4 135 79.6
24 62.0 660 0.2 4.7 0.14 0.7 0.3 5.7 0.3 1.0 <.1 0.8 713 65.6

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