Visual Assessment means looking for, as applicable:
  (1) Deteriorated paint;
  (2) Visible surface dust, debris and residue as part of a risk assessment or clearance examination; or
  (3) The completion or failure of a hazard reduction measure.

May be required in units affected by Subparts F H K M

A self-training module is available online at the HUD website; the course can be completed in less than one hour.

Interpretive Guidance:
Notice of Visual Assessment and Hazard Control
De Minimis
Hairline Cracks
Visual Assessment and Clearance