Several parties were involved in hydrogen quality sampling when it was discovered that a hose which was being used in the collection process, connecting two sampling components, was not rated for the pressure to which it was being subjected. Upon discovery, the process was stopped, the hose was removed, and an alternate configuration of the equipment was implemented before carrying on the sampling.
A new best practice resulted resulted from this incident. It states that before any work is started, a third party should verify with a visual inspection that the actual equipment to be used matches the planned equipment list/protocol.