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