Department of Energy.

DOE contractor

Any entity under contract with DOE (or its subcontractor) that has responsibility for performing beryllium activities at DOE facilities. Includes LLNL and its subcontractors.

DOE facility

Any facility operated by or for DOE. Includes LLNL.

HEPA

High-efficiency particulate air (filter).

High-efficiency particulate air (HEPA) filter

A filter that traps and retains at least 99.97% of 0.3 m m monodispersed particles.

Immune response

The series of cellular events by which the immune system reacts to challenge by an antigen.

Medical Director

The physician responsible for the overall direction and operation of the site occupational medicine program. This position is referred to as the Site Occupational Medical Director in 10 CFR 850.

Medical removal protection benefits

The employment rights established by 10 CFR 850.35 for beryllium-associated workers who voluntarily accept temporary or permanent medical removal from beryllium areas following a recommendation by the Medical Director.