Which regulation primarily focuses on the safety and health aspects of refrigerants in machinery rooms?

The regulation that primarily focuses on the safety and health aspects of refrigerants in machinery rooms is ASHRAE Standard 15. This standard is specifically designed to ensure safe practices when working with refrigerants, particularly in areas where these substances are used, such as machinery rooms. It addresses issues related to refrigerant leaks, ventilation, and safe operating practices to mitigate potential health risks to workers and ensure the safety of the environment.

ASHRAE Standard 34, on the other hand, categorizes refrigerants based on their safety and environmental impact but does not specifically outline safety measures for machinery rooms. NFPA 70, known as the National Electrical Code, governs electrical installations and does not focus on refrigerants and their handling. EPA Regulations cover a broader scope, including the management of refrigerants in terms of environmental protection, but do not focus exclusively on health and safety in machinery rooms. Thus, ASHRAE Standard 15 is the most relevant regulation when it comes to the safety and health aspects concerning refrigerants in those specific settings.