### Question
What is the definition of lead-contaminated dust?


### Answer
The definition of **lead-contaminated dust** is as follows in *42 U.S.C. § 4851b*:

> surface dust in residential dwellings that contains an area or mass concentration of lead in excess of levels determined by the appropriate Federal agency to pose a threat of adverse health effects in pregnant women or young children

#### Citation:
  - *42 U.S.C. § 4851b*
  - Heading: **CHAPTER 63A-RESIDENTIAL LEAD-BASED PAINT HAZARD REDUCTION**

