lead lead

Third-graders Ezekiel White (right) and Emanuel Black push a jug of water to the cafeteria at Southwest Baltimore Charter School. Jennifer Ludden/NPR hide caption

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Jennifer Ludden/NPR

Before Flint, Lead-Contaminated Water Plagued Schools Across U.S.

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Industrial cities like Detroit have high levels of lead in the aging housing stock and in soils. Researchers found that the amount of soil lead in Detroit that gets suspended in the air correlated with the levels of lead in kids' blood. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images