Blood lead levels in children in the north-west of Adelaide

Capillary blood lead levels were investigated in a sample of 513 children of preschool age who were drawn from an industrial working-class region of Adelaide. The geometric mean lead level was 16.3 μg/dL. Fourteen children (2.7%) had a blood lead level of at least 30 μg/dL, which is designated by the National Health and Medical Research Council as 'the level of concern'. Boys tended to have higher lead levels than did girls, and children who lived closer to the inner city generally had higher levels than did those who lived further away. Compared with most other Australian findings, the blood lead levels in this study tended to be high. We suspect that the age groups that were studied, and the industrial urban quality of the region that was included, would have had an important bearing on this finding. However, the proportion of children with elevated lead levels in this study did not seem high when compared with US data for children in a comparable age range.