Self-contained breathing apparatus.

Shipment or shipping

Movement of an item over public roads.

Transfer

Movement of an item within the geographically contiguous property owned by, or under the control of, LLNL.

Unique identifier

The part of a paired set of labels, used in records that contain confidential information, that does not identify individuals except by using the matching label.

Visitor

A person who is not assigned to a beryllium work area but has an irregular or intermittent need to be in that area

WAL

Work authorization level.

Worker

A person who performs work for or on behalf of DOE, including a DOE employee, an independent contractor, a DOE contractor or subcontractor employee, or any other person who performs work at a DOE facility.

Worker exposure

The exposure of a worker to airborne beryllium that would occur if the worker were not using respiratory protective equipment. This is synonymous with "exposure."