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Definitions - doe-std-3009-94_cn3_3-30-060018
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Preparation Guide for U
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Hazard analysis.


DOE-STD -3009-94
Evaluation Guideline (EG). The radioactive material dose value that the safety analysis
evaluates against. The Evaluation Guideline is established for the purpose of identifying
and evaluating safety-class structures, systems, and components. On-site Evaluation
Guidelines are not required for adequate documentatio n of a safety basis utilizing the
overall process of this Standard. The Evaluation Guideline is discussed separately in
Appendix A.
Facility. Any equipment, structure, system, process, or activity that fulfills a specific
purpose. Examples include accelerators, storage areas, fusion research devices, nuclear
reactors, production or processing plants, coal conversion plants, magnetohydrodynamics
experiments, windmills, radioactive waste disposal systems and burial grounds,
environmental restoration activities, testing laboratories, research laboratories,
transportation activities and accommodations for analytical examinations of irradiated and
nonirradiated components.
For the purpose of implementing this Standard, the definition most often refers to build ings
and other structures, their functional systems and equipment, and other fixed systems and
equipment installed therein to delineate a facility. However, specific operations and
processes independent of buildings or other structures (e.g., waste retrie val and processing,
waste burial, remediation, groundwater or soil decontamination, decommissioning) are
also encompassed by this definition. The flexibility in the definition does not extend to
subdivision of physically concurrent operations having potential energy sources that can
seriously affect one another or which use common systems fundamental to the operation
(e.g., a common glovebox ventilation exhaust header).
Fissionable materials. A nuclide capable of sustaining a neutron- induced chain reactio n
(e.g., uranium-233, uranium-235, plutonium-238, plutonium-239, plutonium-241,
neptumium-237, americium-241, and curium-244). [10 CFR 830]
Graded approach. The process of ensuring that the level of analysis, documentation,
and actions used to comply wit h a requirement in this part are commensurate with:
(1)
The relative importance to safety, safeguards, and security;
(2)
The magnitude of any hazards involved;
(3)
The life cycle stage of a facility;
(4)
The programmatic mission of a facility;
(5)
The particular characteristics of a facility;
(6)
The relative importance of radiological and nonradiological hazards; and
(7)
Any other relevant factor. [10 CFR 830]
Hazard. A source of danger (i.e., material, energy source, or operation) with the potential
to cause illness, injury, or death to personnel or damage to an operation or to the
environment (without regard for the likelihood or credibility of accident scenarios or
consequence mitigation). [10 CFR 830]
DSAs specifically examine those hazards inherent in processes and related operations
that can result in uncontrolled release of hazardous material (i.e., chemical or
radiological) or process-unique energy sources (e.g., high pressure autoclave). Standard
industrial hazards do not require DSA coverage. Standard industrial hazards such as
burns from hot objects, electrocution, falling objects, etc., are of concern only to the
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