What is defined as enclosing a painted surface?

Enclosing a painted surface refers to the process of covering it with a material and sealing it to prevent lead dust and chips from becoming airborne and accessible. This method effectively mitigates the risks associated with lead exposure from deteriorating paint surfaces, particularly in older buildings where lead-based paints were commonly used.

By sealing the painted surface, it creates a barrier that protects both residents and workers from potential health hazards linked to lead. This practice is particularly important in areas frequented by children or vulnerable populations, as lead poisoning can have severe health effects.

Other methods, such as removing paint or applying non-lead paint, do not involve the precautions necessary to immediately secure the painted surface from exposure. Meanwhile, airing out a room, although beneficial for reducing airborne lead concentrations, does not address the physical presence of the lead paint itself. Thus, the choice that accurately defines enclosing a painted surface is the one that involves covering and sealing it effectively.