Which practice is mandated by the regulations under 1910.134?

The practice mandated by the regulations under 1910.134 pertains to ensuring the safety of personnel engaged in activities that require the use of respiratory protection. The "Two in, two out" rule is specifically designed for firefighting operations and is intended to maintain safety during hazardous scenarios. It requires that for every two firefighters who enter a hazardous environment to perform firefighting tasks, there must be at least two additional firefighters positioned outside, ready to assist in an emergency evacuation if necessary.

This practice is crucial because it establishes a safety protocol that helps to ensure accountability and rapid response in the event of a distress signal or emergency situation. It addresses the inherent risks of entering dangerous environments where respiratory protection is required, thereby complying with OSHA regulations aimed at protecting workers' health and safety.

In contrast, the buddy system is more about general teamwork and mutual assistance during various activities rather than a specific regulatory requirement under 1910.134. The terminology of RIT (Rapid Intervention Team) suggests them being required but that aspect is more situational than a blanket regulatory mandate. Evacuation drills, while essential for safety training, do not specifically pertain to the regulations set forth in 1910.134. Thus, the 'Two in, two out' practice directly