New advice on blood lead levels

The NHMRC has reduced the threshold blood level of lead that should be considered a red flag for excessive exposure.

In a position statement issued Tuesday, the council recommends that strategies should be implemented to reduce lead exposure in anyone with a blood lead level greater than 5µg/dL.

"The source of exposure should be investigated and reduced, particularly if the person is a child or pregnant woman," the statement advises.

The new threshold is an update to the NHMRC's 2009 position statement, which recommends follow-up investigations in anyone with a