What role does ventilation play when entering confined spaces?

Ventilation is crucial when entering confined spaces because it helps to ensure a safe atmosphere by removing or diluting hazardous fumes, gases, or vapors that may be present. In confined spaces, the risk of toxic substances or low oxygen levels can be significantly high. Proper ventilation can provide a constant supply of fresh air and help control the concentration of harmful substances, thereby minimizing the risk of asphyxiation, poisoning, or other health hazards.

Furthermore, relying solely on artificial lighting or the presence of multiple workers does not guarantee safety; thus, the need for ventilation extends beyond those considerations. It serves as an essential safety measure regardless of the number of workers present and is vital even in well-lit spaces because visibility does not equate to air quality. In essence, effective ventilation is a fundamental component of confined space safety protocols, making the atmosphere safer for everyone involved.