Abstract
Lead concentrations in U.S. children’s blood have decreased markedly in recent decades, thanks largely to lower industrial emissions, voluntary elimination of lead solder in food cans, and legislation barring lead from gasoline and new paint. The main source of lead exposure for today’s children is deteriorating lead-based paint, which contributes to lead-laden dust in older homes. Two studies, the first of their kind to use nationally representative data from U.S. homes, predict how varying degrees of lead contamination of floor and windowsill dust may affect the blood lead levels of resident children [EHP 117:461–467; Gaitens et al.; EHP 117:468–474; Dixon et al.].
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