Responding to a call alleging safety violations from a janitorial employee at the Toddler Togs garment factory, an OSHA inspector drives up to the back of the factory. A group of workers on break is sitting around on the loading dock, smoking and eating snacks. The inspector introduces himself. One of the employees identifies herself as the caller. She invites him to come into the shipping area, where he sees several violations, which he subsequently cites. The plant manager first learns of the inspection when he receives the citations via certified mail. Is the inspection legal? If the plant manager learns the identity of the janitor involved, are there legal grounds for disciplining her