The classification of an area above a spray booth is primarily defined by what factors?

The classification of an area above a spray booth is primarily defined by factors such as vertical distance and surrounding openings. This is because the vertical distance relates to how fumes, overspray, and particulates interact with the space above the booth, influencing ventilation and air quality. The presence of openings around the area affects how airflow is managed and how contaminants disperse, which is crucial for ensuring a safe working environment and compliance with safety standards.

Understanding vertical distance helps in determining how far above the booth hazardous materials can accumulate, which is essential for proper air handling and filtration systems. Additionally, surrounding openings can affect airflow dynamics, potentially leading to the accumulation of flammable vapors or other hazards if not properly managed. Therefore, these factors are fundamental in establishing safety classifications for spray booths and ensuring effective ventilation and risk management.