Lease Area means the Lease Area as more particularly described in SCHEDULE C.
Storage area means any location, facility, or vehicle which is used to store, to transport, or to secure a radiographic exposure device, a storage container, or a sealed source when it is not in use and which is locked or has a physical barrier to prevent accidental exposure, tampering with, or unauthorized removal of the device, container, or source.
Work area means a room or defined space in a workplace where hazardous chemicals are produced or used, and where employees are present.
Slum area means any area where dwellings predominate which, by reason of depreciation, overcrowding, faulty arrangement or design, lack of ventilation, light or sanitary facilities, or any combination of these factors, are detrimental to the public safety, health or morals.
School premises means either of the following: