This national study on lead poisoning in children is organized in three parts. Part 1 provides an executive summary. Part2 presents background information, an overview, findings, and conclusions. Part 3, which constitut.as the bulk of the report, discusses terms, issues, and findings concerning lead metabolism, its relationship to lead exposure and adverse effects of lead, and adverse health effects of lead in relationship to public health risk and societal well-being. Also discussed are the number of children exposed to lead in the United States; numbers of children exposed to lead according to lead source; numbers of women of child bearing age and pregnant women exposed to lead; low-level lead sources and children's aggregate exposure to ...