Enclosure means the part enclosing the internal units and providing protection against any direct contact.
Primary enclosure means any structure used to immediately restrict an animal or animals to a limited amount of space, such as a room, pen, cage, compartment, or hutch.
Recyclables means Solid Waste that may be reclaimed and/or processed and used in the production of raw materials or products.
Totally enclosed treatment facility means a facility for the treatment of hazardous waste which is directly connected to an industrial production process and which is constructed and operated in a manner which prevents the release of any hazardous waste or any constituent thereof into the environment during treatment. An example is a pipe in which waste acid is neutralized.
Underground storage means storage of hazardous liquid in a subsurface stratum or formation of the earth.