At their highest, her son's lead levels reached 20, and they have since dropped to 16.8.

The school's lead levels were 65 times higher than the Federal maximum level.

Often this treatment approach is enough to reduce lead levels in the body.

Since then, Government health officials have continued to find elevated lead levels in the blood of children living here.

By the 70's most Americans had elevated lead levels in their blood.

There is no safe threshold for lead levels in the blood.

If her lead level was high, we'd have our diagnosis - maybe for both of them.

But when we tested him, his lead levels were normal.

The water company must then rank the buildings in order of lead levels found.

High atmospheric lead levels have been associated with serious health problems.