Radiation Detected In Drinking Water In 13 More US Cities, Cesium-137 In Vermont Milk

Radiation from Japan has been detected in drinking water in 13 more American cities, and cesium-137 has been found in American milk—in Montpelier, Vermont—for the first time since the Japan nuclear disaster began, according to data released by the Environmental Protection Agency late Friday.
Milk samples from Phoenix and Los Angeles contained iodine-131 at levels roughly equal to the maximum contaminant level permitted by EPA in drinking water, the data shows. The Phoenix sample contained 3.2 picoCuries per liter of iodine-131. The Los Angeles sample contained 2.9. The EPA maximum contaminant level is 3.0, but this is a conservative standard designed to minimize exposure over a lifetime, so EPA does not consider these levels to pose a health threat. The FDA, not the EPA, regulates milk.

[UPDATE:] The FDA's Derived Intervention Level for iodine-131 in milk is much higher: 4700 picoCuries per liter.

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