Environmental Protection Agency (EPA) Model Lead Based Paint Risk Assessor Practice Test

What indicates paint failure that reveals an unsound substrate or structure?

1. Surface-coat failure

2. Pitting

3. Peeling

4. Chipping

The correct answer is: Surface-coat failure

Surface-coat failure is a critical indicator of paint failure that can suggest an underlying issue with the substrate or structure. When the surface coating of paint begins to fail, it may be due to moisture intrusion, lack of adhesion, or deterioration of the substrate beneath the paint. This situation often exposes the unsound material underneath, which can lead to further degradation if not addressed. Surface-coat failure can manifest in various forms, such as blistering, cracking, or flaking of the paint, and is typically the first sign that there may be problems below the surface. This is particularly significant in the context of lead-based paint risk assessment, where understanding the integrity of the paint and the substrate is vital for ensuring safety and compliance with environmental regulations. Identifying this type of failure allows assessors to recommend appropriate remediation measures to address both the paint issue and any underlying structural problems.