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Research Article
1 February 1998

Effect of interventions on children's blood lead levels.

Publication: Environmental Health Perspectives
Volume 106, Issue 2
Pages 79 - 83

Abstract

Trail, Canada, has been the site of an active lead/zinc smelter for nearly a century. Since 1991, the Trail Community Lead Task Force has carried out blood lead screening, case management, education programs targeted at early childhood groups and the general community, community dust abatement, exposure pathways studies, and remedial trials. From 1989 through 1996, average blood lead levels of children tested for the first time declined at an average rate of 0.6 microg/dl/year, while blood lead levels in Canadian children not living near point sources appeared to be leveling off following the phase-out of leaded gasoline. Since there was no concurrent improvement in local environmental conditions during this time, it is possible that the continuing decline in Trail blood lead levels has been at least partly due to community-wide intervention programs. One year follow-up of children whose families received in-home educational visits, as well as assistance with home-based dust control measures, found that these specific interventions produced average blood lead changes of +0.5- -4.0 microg/dl, with statistically significant declines in 3 years out of 5. Education and dust control, particularly actions targeted toward higher risk children, appear to have served as effective and appropriate interim remedial measures while major source control measures have been implemented at the smelter site.

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Information & Authors

Information

Published In

Environmental Health Perspectives
Volume 106Issue 2February 1998
Pages: 79 - 83
PubMed: 9435149

History

Published online: 1 February 1998

Authors

Affiliations

S R Hilts
Trail Lead Program Office, Trail, British Columbia, Canada.
S E Bock
Trail Lead Program Office, Trail, British Columbia, Canada.
T L Oke
Trail Lead Program Office, Trail, British Columbia, Canada.
C L Yates
Trail Lead Program Office, Trail, British Columbia, Canada.
R A Copes
Trail Lead Program Office, Trail, British Columbia, Canada.

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  • Effect of Lead Pollution Control on Environmental and Childhood Blood Lead Level in Nantong, China: An Interventional Study, Environmental Science & Technology, 10.1021/es502994j, 48, 21, (12930-12936), (2014).
  • Surveillance of elevated blood lead levels in children in Torreon, Coahuila, Mexico, 1998–2010, International Journal of Hygiene and Environmental Health, 10.1016/j.ijheh.2011.10.009, 215, 5, (507-513), (2012).

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