"Lead dust" refers to tiny particles of lead that are in the form of fine dust. This can be dangerous if inhaled or ingested, as lead is a toxic metal that can harm our health. Full definition
A no shoe policy greatly reduces the amount of lead dust, bacteria, and allergens in your home! (ithoughtiknewmama.com)
If your house was built before then, there's a higher chance your little explorer could get it in her mouth or breathe in lead dust. (webmd.com)
The program also provides property owners free lead safe work practice training and clearance testing once repairs and cleaning have been completed to insure safe lead dust levels in the home. (ocgov.net)