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| DOE-HDBK-1188-2006
B. Conduct separations operations;
C. Conduct irradiated and/or fissionable materials inspection, fuel fabrication, decontamination,
or recovery operations;
D. Conduct fuel enrichment operations; or
E. Perform environmental remediation or waste management activities involving radioactive
materials.
Incidental use and generation of radioactive materials in a facility operation (e.g., check and
calibration sources, use of radioactive sources in research and experimental and analytical
laboratory activities, electron microscopes, and X-ray machines) would not ordinarily require
the facility to be included in this definition. Accelerators and reactors and their operations are
not included. [DOE G 421.1-1]
385.
NONSTOCHASTIC EFFECTS. Effects due to radiation exposure for which the severity
varies with the dose and for which a threshold normally exists (e.g., radiation-induced opacities
within the lens of the eye). [10 CFR 835.2]
386.
NOTICE. DOE Notices, part of the DOE directives System, are one-time issuances used for
short-term (1 year or less) instructions and information on any subject. Notices also may be
used to immediately establish requirements for DOE Elements, and when incorporated into
contracts, they also become requirements for DOE contractors. Notices may also disseminate
needed information until an Order can be issued or amended. [DOE N 1321.138] [EH62dd1]
387.
NOTIFICATION REPORT. The initial documented report, to the Department, of an event or
condition that meets the reporting criteria defined in DOE O 5000.3B. The Notification Report
shall consist of fields 1 through 18 of the Occurrence Report. [DOE O 5000.3B] [EH62dd1]
388.
NPH MITIGATION. An action taken to reduce the impacts of Natural Phenomena Hazards
(NPH). This includes natural phenomena hazard resistant design, evaluation, construction
requirements, and operational procedures. [DOE O 5480.28] [EH62dd1] [DOE G 420.1-2]
389.
NUCLEAR CRITICALITY SAFETY. Protection against the consequences of an inadvertent
nuclear fission chain reaction, preferably by preventing the reaction. [DOE G-421.1-1]
390.
NUCLEAR EXPERIENCE. Used in reference to:
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