What is a condition during testing that requires immediate removal of the transport container unit from CNG service?

The condition that necessitates the immediate removal of the transport container unit from CNG service is the presence of an unsafe condition. When a transport container unit exhibits any signs of being unsafe, such as leaks, severe damage, or failure to function properly, it poses a significant risk to the driver, public safety, and the environment. Addressing unsafe conditions promptly is crucial to ensure that the CNG unit operates within safety regulations and standards.

While illuminated warnings and minor repairs needed may indicate issues requiring attention, they do not necessarily mandate immediate removal of the unit from service unless they signify a deeper, unsafe condition. Regular maintenance is important for ensuring the ongoing safety and efficiency of the transport unit, but it is not an immediate cause for removal. Understanding the distinction between these conditions is vital for maintaining safe operations in the transport of compressed natural gas.