Which of the following is NOT a purpose for an air change in an asbestos abatement work area?

Increasing energy efficiency is not a purpose of implementing an air change in an asbestos abatement work area. The primary reasons for air changes in such environments focus on safety and compliance with health standards rather than improving energy efficiency.

Air changes play a crucial role in diluting airborne contaminants, which is vital in an area where hazardous materials, like asbestos fibers, are present. By regularly exchanging indoor air with fresh air, the concentration of these harmful particles can be reduced, decreasing the risk of inhalation for workers and anyone in nearby areas.

Additionally, air changes are essential for minimizing exposure to hazardous materials. In abatement activities where asbestos is disturbed, the release of fibers into the air poses significant health risks. Regular air changes help ensure that workers are not exposed to unsafe levels of these airborne contaminants.

Maintaining air quality standards is yet another critical reason for performing air changes in an asbestos work area. Adhering to regulations and guidelines ensures that the work environment remains safe, aligning with occupational safety requirements to protect worker health.

Thus, while the options related to diluting contaminants, reducing exposure, and maintaining air quality directly support the safety measures in abatement projects, increasing energy efficiency does not align with the primary objectives of air changes in these specific settings.