When as a result of external inspection or determination by other objective means it

When as a result of external inspection or determination by other objective means it is the inspector's opinion that continued operation of the boiler or pressure vessel constitutes a menace to public safety, the inspector may request an internal inspection and/or an appropriate pressure test to evaluate conditions. In such instances, the owner or user shall prepare the boiler or pressure vessel for an internal inspection and/or appropriate pressure test as the inspector designates.