There are no safe lead levels in children, according to the Centers for Disease Control and Prevention (CDC). Since 1991 the agency has specified that levels higher than 10 micrograms per deciliter of blood are dangerous. Now the CDC has updated its guidelines in the wake of a new study that found that babies and young children with levels lower than 7.5 had below-average IQs.
Children under 6 are at highest risk from ingesting lead in paint dust, dirt, or water. Here is a checklist for parents of ways to prevent lead poisoning: