LEAD Action News

LEAD Action News Vol 3 no 2 Autumn 1995 ISSN 1324-6011
Incorporating Lead Aware Times ( ISSN 1440-4966) and Lead Advisory Service News ( ISSN 1440-0561)
The journal of The LEAD (Lead Education and Abatement Design) Group Inc.

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Home Recontamination

The following article appeared in The Science of the Total Environment. Volume 164, Issue 3, 30 March 1995, Pages 221235

Abstract: http://www.sciencedirect.com/science/article/pii/004896979504512Y

"Paint as a source of recontamination of houses in urban environments and its role in maintaining elevated blood leads in children"

Brian L. Gulson, Jeffrey J. Davis, Jason Bawden-Smith.

A detailed lead isotopic and scanning electron microscope investigation of particulates from three houses in urban Sydney, previously decontaminated by their owners, has shown that they have been recontaminated over varying periods, as short as 6 months. The source of recontamination is lead paint from adjoining dwellings whose paint is thoroughly deteriorated, as well as from unknown sources. In one house, the external to internal lead loading was >10:1. The pathway from the lead paint contaminants is both airborne and mechanical transport into the houses. Recontamination of houses provides an explanation for the maintenance of elevated blood levels in the children residing in these houses. Recontamination can be a major urban problem applicable in any community which uses leaded paints on dwellings in the past. It is a matter of concern for families with young children and couples, especially women who are, or intend to become, pregnant.

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