This part of the Q consisted essentially of plumbing: a snarl of human-sized pipes that drained people away from incoming ships and let them pool in separate reservoirs until they had passed muster. Kath Two, Rhys, and Beled would be inspected visually for invasive species and pathogens, their clothes and equipment sterilized. There would be mandatory showers and scrubbings. Stool and blood samples would be taken and tested. Because they were Survey, however, little interest would be shown in their backgrounds, their politics, their emotional stability, their motivations. Survey personnel had already been vetted for that sort of thing. Depending on how busy the lab facilities were, it could take anywhere from six to twenty-four hours.