Any goods susceptible to infection must pass quarantine, these were fumigated with chemical solutions and then ventilated out in the open. Medical knowledge of the time considered miasmas the propagators of diseases, these lived in any materials of animal or vegetable origin. Minerals and metals were not considered susceptible to infection, therefore these were not treated or quarantined. Any goods that did not need shelter from the weather passed the quarantine in the yards, the current garden area. The more delicate merchandise was placed inside the warehouses, pavilions built with large openings that allowed for wind to freely pass through facilitating disinfection. The smaller nearby buildings were the accommodation for crew members. The ground floor formed a group of apartments: the upper part was a simpler and darker accommodation. Behind the pavilion that is now a congress hall and museum, are the stables and access ramps to the suspect bill of health pier, in the area known as Es Clot des Ases.