Children’s Health: Soil in the City: A Prime Source of Lead
2008
Urban Soil as a Source of Lead Poisoning in Children
publication
Evidence: moderate
Author Information
Author(s): Frazer Lance, Gabriel Filippelli, Howard W. Mielke, Mark A.S. Laidlaw
Primary Institution: Indiana University–Purdue University, Indianapolis
Hypothesis
Is urban soil a significant source of lead poisoning in children?
Conclusion
Urban soil remains a significant source of lead exposure for children, particularly in inner-city areas.
Supporting Evidence
- Lead levels in urban soil can be 100 times higher than the background level.
- Children are exposed to lead through play and hand-to-mouth activity.
- High lead levels can damage children's nervous systems and stunt growth.
- Remediation of contaminated soil can cost over $1 million per acre.
- Proactive measures are being taken in Norway to test and remediate soils.
Takeaway
Lead from old gas and paint is mostly gone, but kids can still get lead from playing in contaminated soil in cities.
Methodology
The review analyzed soil lead levels and their correlation with children's blood lead levels in urban areas.
Limitations
The review may not cover all urban areas or consider all sources of lead exposure.
Participant Demographics
Focus on inner-city children and their exposure to lead.
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