まとめ
鉛鋳造所の近くの環境改善により,子供の鉛吸収が著しく減少しました. 血中鉛濃度が大幅に低下し,排出制御が子どもの健康を守るのに有効であることを実証した.
科学分野:
- 環境衛生 環境衛生 環境衛生
- 小児の毒理学について
- 公衆衛生は公衆衛生である.
背景:
- 1972年の研究では,鉛の鋳造工場の近くに住む子供の鉛の吸収量が高いことが判明しました.
- その後のエンジニアリングの努力により,鋳造所の排出量と環境中の鉛濃度が減少しました.
研究 の 目的:
- 子供の血液中の鉛濃度に対する,鋳造所の排出量の削減の影響を評価する.
- 鉛への曝露を軽減するための環境介入の有効性を評価する.
主な方法:
- 1977年のフォローアップ研究では,エルパソの鋳造所の近くに住む子供の血中鉛濃度が測定されました.
- 血中鉛濃度を1972年のベースラインデータと比較した.
主要な成果:
- 平均血中鉛濃度は,鋳造所から0.8km (41.4から17.7マイクログラム/dL) 及び0.8~1.6km (31.2から20.2マイクログラム/dL) 圏内に居住する子供では著しく低下した.
- これらの発見は,鉛吸収の大幅な減少を示しています.
結論:
- 鉛 smelteriesからの排出量を削減することは実行可能であり,子供の鉛吸収を低下させるのに有効です.
- 環境改善は,工業用鉛の源に近い地域社会で,子どもの健康状態を大幅に改善することができます.
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