Which document should be followed when using breathing air in a confined space?

The correct choice emphasizes the importance of adhering to specific guidelines designed to ensure safety when using breathing air in confined spaces. API 2217A provides protocols and recommendations tailored to the safe use of breathing air in various confined environments. This document outlines the requirements for air quality, monitoring, and the use of appropriate equipment, which are critical to ensuring the safety of personnel working in potentially hazardous conditions.

Understanding the particulars of API 2217A is crucial for anyone involved in confined space operations, as it helps mitigate the risks associated with inadequate air quality, which can lead to serious health issues or accidents. This adherence to established safety practices not only protects the individuals operating in confined spaces but also promotes broader organizational safety standards.