HUD prohibits using a heat gun above which temperature when handling lead?

The correct answer is 1100 F because the U.S. Department of Housing and Urban Development (HUD) has established guidelines to ensure safety when handling lead-based materials. Lead can become hazardous when heated to high temperatures, as it risks vaporizing and allowing toxic lead fumes to be inhaled. Specifically, HUD has set a safety threshold, indicating that heat guns should not be used above 1100 F when working with lead. This limit is designed to minimize the health risks associated with lead exposure, particularly in environments where individuals may be at risk of inhaling harmful lead particles or vapors.

In practical terms, this means that for any lead removal or paint stripping processes, adhering to the recommended temperature limit helps ensure compliance with health regulations and protects workers' safety. Understanding these guidelines is crucial for lead supervisors who oversee activities involving lead stabilization or abatement.