Abstract: A portable containment unit including an enclosure, a base supporting the enclosure, the base having wheels attached thereto for moving the containment unit, an extension platform selectively coupled to the base and having wheels attached thereto, and an air machine on the extension platform. The containment unit may also include an auxiliary portion selectively coupled to the base for providing support to additional items, wherein the auxiliary portion is designed to be stored under the base. The enclosure may include a frame, a resilient tarp attached to the frame, and a portion that can be selectively opened. A shroud surrounds the portion that can be opened. The shroud includes an edge connector for coupling the portable containment unit to another portable containment unit. The enclosure can include a transparent portion.