Which organization’s standards should containers be designed, fabricated, tested, and marked in accordance with?

The correct choice emphasizes the importance of ASME (American Society of Mechanical Engineers) standards in the design, fabrication, testing, and marking of containers that are used for gases like propane. ASME is crucial in establishing robust and widely accepted guidelines that ensure safety, reliability, and performance in the engineering and manufacturing of pressure vessels and associated equipment.

Containers that hold propane must withstand high pressures and must be built to specific safety standards to prevent failures or leaks which could pose significant hazards. This is where ASME standards come into play, as they provide rigorous criteria that must be met throughout the lifecycle of the container, from design to testing, ensuring that safety is paramount.

The other organizations mentioned, while they may have relevant standards in certain contexts (such as DOT related to transportation and FDA regarding food products), do not specifically cover the comprehensive requirements for the construction and safety of propane containers like ASME does. ASME's focus on mechanical engineering and safety standards uniquely qualifies them as the authoritative body for this aspect of propane safety and container integrity.