Occupancy

DOE-HDBK-XXXX-2005

06/30/2005

399.

OCCUPANCY. The purpose for which a building, or portion thereof, is used or intended

to be used. For DOE facilities, the occupancy classification for purposes of determining

construction, protection and area limitations should be as determined under the

provisions of the applicable local building code or the Uniform Building Code unless

otherwise specified by the DOE Authority Having Jurisdiction. [DOE-STD-1066-97]

400.

OCCUPATIONAL CARCINOGEN. A chemical substance that has been evaluated by

the International Agency for Research on Cancer (IARC) and found to be a carcinogen or

potential carcinogen (i.e., Groups 1, 2A, or 2B); is listed as a substance known or

reasonably anticipated to be carcinogenic in the Annual Report on Carcinogens published

by the National Toxicology Program (NTP); is categorized as a confirmed human

carcinogen or suspected human carcinogen (i.e., designated as A1 or A2 substances) by

the American Conference of Governmental Industrial Hygienists (ACGIH); or is

regulated by the U.S. Occupational Safety and Health Administration as a carcinogen in

an expanded health standard. [DOE O 5480.10A (Draft)]

401.

OCCUPATIONAL CARCINOGEN. For purposes of DOE G 440.1-3, a chemical

substance utilized in the workplace that has been designated in the following sources as a

carcinogen or potential carcinogen: (a) National Toxicology Program, Annual Report on

Carcinogens (latest edition); (2) International Agency for Research on Cancer,

Monographs (latest editions); (3) U.S. Occupational Safety and Health Administration

standard 29 CFR 1910, Subpart Z, Toxic and Hazardous Substances; and (4) American

Conference of Governmental Industrial Hygienists, Threshold Limit Values for Chemical

Substances and Physical Agents. [DOE G 440.1-3]

OCCUPATIONAL DOSE. An individual's ionizing radiation dose (external and

402.

internal) as a result of that individual's work assignment. Occupational dose does not

include doses received as a medical patient or doses resulting from background radiation

or participation as a subject in medical research programs. [10 CFR 835.2]

OCCUPATIONAL HEALTH PROGRAM. A comprehensive and coordinated effort of

403.

those involved in Radiological Protection, Industrial Hygiene, Occupational Medicine,

and Epidemiology to protect the health and well-being of Department of Energy

contractor employees in government-owned or -leased facilities. [DOE O 5480.10A

(Draft)]

OCCUPIED AREA (EXPLOSIVES). Any work area to which personnel are assigned or

404.

any non-work area where persons regularly congregate. In the context of Class II bays

for explosive facilities, access ramps, and plant roads are not considered occupied areas.

[DOE O 6430.1A]

DRAFT