Holdup (Nuclear Material)

DOE-HDBK-XXXX-2005

06/30/2005

292.

HOLDUP (NUCLEAR MATERIAL). Holdup is the nuclear material that is retained in

process equipment at inventory time. [DOE O 6430.1A]

293.

HUMAN FACTORS. Those biomedical, psychosocial, workplace environment, and

engineering considerations pertaining to people in a human-machine system. Some of

these considerations are allocation of functions, task analysis, human reliability, training

requirements, job performance aiding, personnel qualification and selection, staffing

requirements, procedures, organizational effectiveness, and workplace environmental

conditions. [DOE O 5480.30] [EH62dd1]

294.

HUMAN FACTORS ENGINEERING. The application of knowledge about human

performance capabilities and behavioral principles to the design, operation, and

maintenance of human-machine systems so that personnel can function at their optimum

level of performance. [DOE O 5480.30]. [EH62dd1]

295.

ILLEGAL DRUG. A controlled substance, as specified in Schedules I through V of the

Controlled Substances Act, 21 U.S.C. 811, 812. The term "illegal drugs" does not apply

to the use of a controlled substance in accordance with terms of a valid prescription, or

other uses authorized by law. [10 CFR 707.4]

296.

IMMUNE RESPONSE. The series of cellular events by which the immune system reacts

to challenge by an antigen. [10 CFR 850.3]

297.

IMPORTANT TO SAFETY. Any equipment or components whose function can impact

safety either directly or indirectly. This includes safety-related equipment, equipment

relied upon for safe shutdown, and in some instances, balance-of-plant equipment. [DOE

O 5480.21] [EH62dd1]

298.

IMPROVED RISK. Generally, an improved level of property protection is one that

would qualify for complete insurance coverage by the Factory Mutual System, the

industrial risk insurers, or other industrial insurance companies that limit their insurance

underwriting to the best protected class of industrial risk. [DOE O 6430.1A]

IN-PROCESS OR IN-USE MATERIAL. Material that is integral to the manufacturing

299.

or production processes and is needed to maintain continuity of operations. Other

material that requires temporary location near the pertinent process areas in readiness for

near-term use or for movement to other process areas may also be considered "in-

process." For material involved in laboratory operations, analogous definitions shall be

applied to determine eligibility for the "in-process" or "in-use" category and consequent

exclusion from storage requirements of these criteria. [DOE O 6430.1A]

DRAFT