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Arsenic in the park and phytoremediation

By ShamsMay 18, 2008EnvironmentAmerican Civil War, arsenic, Chinese brake fern, hyperaccumulator

When the U.S Geological Survey geographer Terry Slonecker was going through aerial photographs, he could easily detect the stress and stunted growth of trees and grass in the park in Washington that led him to conclude its arsenic. He was in fact looking for arsenic in a nearby area used for military activities in World War I. But the park has no history of WWI activities rather it goes back to the American Civil War which occurred between 1861 to 1865. But how it could leave arsenic there?

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Arsenic in the park and phytoremediation