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FDA Consumer: Mercury In Fish: Cause for Concern? (2156 words) |
 | Mercury vapor is easily transported in the atmosphere, deposited on land and water, and then, in part, released again to the atmosphere. |
| Methyl mercury easily crosses the placenta, and the mercury concentration rises to 30 percent higher in fetal red blood cells than in those of the mother. |
| This is because the methyl mercury levels in these species are all less than 0.2 ppm and few people eat more than the suggested weekly limit of fish (2.2 pounds) for this level of methyl mercury contamination. |
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