____ Are cylinders with a water weight capacity over 30 pounds equipped with means for connecting a valve protector device, or with a collar or recess to protect the valve?

____ Are cylinders legibly marked to clearly identify the gas contained?

____ Are compressed gas cylinders stored in areas which are protected from external heat sources such as flame impingement, intense radiant heat, electric arcs, or high temperature lines?

____ Are cylinders located or stored in areas where they will not be damaged by passing or falling objects, or subjected to tampering by unauthorized persons?

____ Are cylinders stored or transported in a manner to prevent them from creating a hazard by tipping, falling, or rolling?

____ Are cylinders containing liquefied fuel gas stored or transported in a position so that the safety relief device is always in direct contact with the vapor space in the cylinder?

____ Are valve protectors always placed on cylinders when the cylinders are not in use or connected for use?

____ Are all valves closed off before a cylinder is moved, when the cylinder is empty, and at the completion of each job?

____ Are low pressure fuel-gas cylinders checked periodically for corrosion, general distortion, cracks, or any other defect that might indicate a weakness or render it unfit for service?

____ Does the periodic check of low pressure fuel-gas cylinders include a close inspection of the cylinder's bottom?