If an existing gas system is not in strict compliance, who determines whether its continued use constitutes a hazard?

• A. Architect
• B. Authority having jurisdiction
• C. Engineer
• D. Nursing staff

Answer: (B)

The authority having jurisdiction is the one empowered to decide if a noncompliant medical gas system poses a hazard. Codes and regulations assign responsibility to the AHJ to interpret applicable standards (such as NFPA codes) and assess risk. When a system isn’t in strict compliance, the AHJ evaluates whether the deviation creates danger to patients or staff and determines the appropriate action—allow continued operation under a controlled temporary condition with corrective steps, or require immediate shutdown and remediation. The person who designed or inspected the system (architect or engineer) can provide assessments and recommendations, but the final hazard determination and authority to mandate actions rests with the AHJ. Nursing staff may raise concerns, but they do not have the regulatory authority to declare a system hazardous.