What must ASME LP gas motor/mobile fuel containers comply with according to the "Rules for Construction of Unfired Pressure Vessels"?

The correct answer is that ASME LP gas motor/mobile fuel containers must comply with design, fabrication, testing, and marking requirements according to the "Rules for Construction of Unfired Pressure Vessels."

This is essential because the ASME (American Society of Mechanical Engineers) standards are established to ensure the safety, reliability, and performance of pressure vessels, which includes LP gas containers. Compliance with design requirements ensures that the containers are built to withstand the pressures they will encounter. Fabrication standards govern the methods used to construct the vessels, ensuring that high-quality materials and techniques are employed.

Testing requirements involve various assessments to ascertain the integrity and performance of the containers before they are put into use, helping to prevent failures that could lead to accidents or leaks. Marking is important for certification and traceability purposes, providing vital information about the vessel's specifications and compliance with safety standards.

Options related to testing standards only, environmental regulations, and transportation requirements do not encompass the full scope of compliance needed for these containers, which requires a comprehensive approach to ensure safety throughout the entire lifecycle of the vessel.