These actions release fine lead dust into the air.

The test is used to check levels of lead dust after repairs have been done to see if the work has been effective.

Public health experts concentrate on trying to reduce the presence of lead dust in homes and schools.

Once the job is finished, should an inspector test the floor to make sure that the work hasn't left a residue of lead dust?

He said more children would be harmed by lead dust as a result of the law.

Worried about the effects of lead dust on humans, they began a system of blood tests for employees.

But the city faltered four years ago, passing a law that failed to address the danger of lead dust.

All it took was exposure to that amount of lead dust.

"With these new regulations we could harm children by releasing a lot of lead dust."

Worst of all is the lead dust in the white-lead trades.