| 21. | Mercury levels in rain are even higher in Detroit and Duluth, Minn ., he said.
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| 22. | Of those cans tested 85 percent had mercury levels of up to 0 . 3.
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| 23. | The group urged the FDA to resume testing mercury levels in those heavily consumed species.
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| 24. | Park loons have been found to have high mercury levels in their blood and feathers.
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| 25. | "It doesn't appear that mercury levels have shown a drastic increase in our largemouth bass,"
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| 26. | Mercury levels in bass ranged from 0.20 to 1.5 parts per million ( ppm ).
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| 27. | Art Advisory : With graphic showing mercury levels in fish taken from Gulf of Mexico.
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| 28. | But in general fresh-water fish such as catfish and trout have relatively low mercury levels.
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| 29. | PISCES was established to study mercury levels in coal and in the exhaust of coal-fired plants.
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| 30. | At the moment that he removed the thermometer from the vapour, the mercury level climbed slightly.
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