Which of the following describes general supervision?

General supervision refers to a framework of oversight that allows for the management of operations without necessitating continuous physical presence by the supervisor. This type of supervision is particularly relevant in scenarios where the supervisor holds appropriate qualifications such as an FDNY certificate, which indicates a level of knowledge and training relevant to safety procedures and protocols associated with piped non-flammable medical gases.

In practice, general supervision empowers trained personnel to oversee activities, offering guidance and ensuring compliance with industry regulations while allowing them the flexibility to manage other responsibilities or oversee multiple locations. This structure is essential in healthcare environments where immediate access to a qualified individual may not always be feasible but where oversight remains crucial for safety and operational integrity.

The other options do not accurately capture the essence of general supervision. Constant physical presence implies a much stricter form of supervision that does not align with the principles of general oversight. Supervision by untrained personnel runs counter to safety and regulatory standards, while monitoring activities without certification undermines the necessity of trained knowledge in managing medical gas systems effectively.