Oct 5, 1992

Community prevalence survey of children's blood lead levels and environmental lead contamination in inner Sydney

The Medical Journal of Australia
M FettS Cannata


To determine the distribution of blood lead levels in preschool children in inner Sydney and identify possible sources of environmental lead. Cross sectional community based prevalence survey of children and the houses in which they live, and a survey of volunteer children. Mort Bay and Summer Hill, residential localities in inner Sydney. Ninety-five children aged 9-48 months able to be identified in a defined geographic area and 63 children aged 9-48 months volunteered by their parents. Concentrations of lead in venous blood of all children and in samples from the home environment of Mort Bay children. Four of the children (2.5%) had blood lead levels > or = 1.21 mumol/L (25 micrograms/dL, the current Australian threshold of concern), 27 (17.1%) had levels > or = 0.72 mumol/L (15 micrograms/dL, the new US threshold for individual intervention) and 80 (50.6%) had levels > or = 0.48 mumol/L (10 micrograms/dL, the new US threshold for community intervention). Blood lead concentrations were significantly correlated with concentrations of lead in "sink" soil (r = 0.555, P = 0.026), play area soil (r = 0.492, P = 0.016) and dust from vacuum cleaners (r = 0.428, P = 0.05), and with age of child (r = -0.182, P = 0.023). The presence o...Continue Reading

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Mentioned in this Paper

Prevalence Studies
Soil Pollutants
Soil Pollution
Urban Population
House Dust

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