A B C D E F G H I _ K L M N O P Q R S T U V W _ Y Z

ACRS - Advisory Commission on Reactor Safeguards (USNRC)
ADAMS - automated data acquisition and management system
AEC - Atomic Energy Commission
AFNOR - Association Francaise de Normalisation
AFW - Auxiliary Feedwater System
ALARA - as low as reasonably achievable
ALARP - as low as is reasonably practicable
ALI - annual limit on intake
AMAD - activity median aerodynamic diameter
AMTD - activity median thermodynamic diameter
ANSI - American Nuclear Standards Institute
ASLB - NRC's atomic safety and licensing board
ASME - American Society of Mechanical Engineers
ATWS - Anticipated Transient Without Scram
BMU - Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (Germany)
Bq - becquerel
BWR - boiling-water reactor
CEC - Commission of the European Communities
CFO - Chief Financial Officer (NRC)
CFR - Code of Federal Regulations
Ci - curie
CIO - Chief Information Officer (NRC)
CNRA - Committee on Nuclear Regulatory Activities (NEA)
CNS - Convention on Nuclear Safety
CP - Construction Permit
CSI - criticality safety index
CSS - Commission of Safety Standards
DAC - derived air concentration
DDREF - dose and dose rate effectiveness factor
DIN - Deutsches Institut für Normung e.V.
DOD - US Department of Defense
DOE - US Department of Energy
DOS - US Department of State
DOT - US Department of Transportation
DREF - dose rate effectiveness factor
DSIN - Direction de la Sūret‚ des Installations Nucleaires (France; Directorate for the Safety of Nuclear Installations)
E(t) - committed effective dose
EAL - emergency action level
ECCS - emergency core cooling system
EDF - Electricitč de France (France)
EDO - Executive Director for Operations (NRC)
EDP - EDP Sciences, One of the main French publishers in the field of physics
EIS - environmental impact statements
EN - European Standard
EPA - Environmental Protection Agency
EPZ - emergency planning zone
ERDA - Energy Research and Development Agency
EU - European Union
EURATOM - European Atomic Energy Community
FAO - Food and Agriculture Organization of the United Nations
FIM - Finnish Mark
FSAR - final safety analysis report
FTU - Fortbildungszentrum für Technik und Umwelt des Forschungszentrums Karlsruhe
GKN - Gemeinschaftskernkraftwerk Neckar, NPP Neckar, Germany
GRS - Gesellschaft fuer Anlagen und Reaktorsicherheit
Gy - gray
H*(d) - ambient dose equivalent
Hō(d,W) - directional dose equivalent
HE - effective dose equivalent
HEU - highly enriched uranium
HGW - heat generating waste
HLW - high level waste
Hp(d) - individual dose equivalent, penetrating
Hp(d) - personal dose equivalent
Hs(d) - individual dose equivalent, superficial
HSC - Health and Safety Commission (UK)
HSE - Health and Safety Executive (UK)
HSK - Federal Nuclear Safety Inspectorate (Switzerland)
HT - equivalent dose
HT(t) - committed equivalent dose
IBC - intermediate bulk container
ICRP - International Commission on Radiological Protection
IEC - International Electrotechnical Commission
ILO - International Labour Organization
ILW - intermediate level waste
INES - International Nuclear Event Scale
INPO - Institute of Nuclear Power Operations
INSAG - International Nuclear Safety Advisory Group
IPSN - Institute for protection and nuclear safety (France)
IRRT - International Regulatory Review Teams
IRS - Incident Reporting System
ISO - International Organization for Standardization
KSA - Secretariat of the advisory commission (Switzerland)
KTA - Kerntechnischer Ausschuß (German Nuclear Safety Standards Commission)
LET - linear energy transfer
LEU - low enriched uranium
LILW - low and intermediate level waste
LLS - small emergency turbo-generator
LLW - low level waste
LNT - linear-no threshold
LOCA - loss of coolant accident
LPZ - longer term protective action planning zone
LSA - low specific activity
LWA - limited work authorization
MDA - minimum detectable activity
MHPE - Maximum historically probable earthquakes
MIT - Massachusetts Institute of Technology
MLW - medium level waste
MMW - mining and milling waste
MSA - minimum significant activity
NDTT - Nil Ductility Transition Temperature
NEA - Nuclear Energy Agency (OECD)
NEPA - National Environmental Policy Act
NGO - non-governmental organization
NORM - naturally occurring radioactive material
NPP - nuclear power plant
NPRDS - nuclear plant reliability data system
NPT - Nuclear Non-Proliferation Treaty
NRC - US Nuclear Regulatory Commission
NRPB - National Radiological Protection Board
NSD - Her Majesties Nuclear Safety Directorate
NSSS - nuclear steam supply system
NUREG - NRC reports or brochures on regulatory decisions, results of research, results of incident investigations, and other technical and administrative information.
NUSAC - Nuclear Safety Advisory Committee
NUSS - nuclear safety standards
NUSSC - Nuclear Safety Standard Committee
OECD - Organisation for Economic Co-operation and Development
OIL - operational intervention level
OL - Operating License
OM - operation manual
OMB - Office of Management and Budget
OSHA - Occupational Health and Safety Administration
PAHO - Pan American Health Organization
PAZ - precautionary action zone
PIE - postulated initiating event
PSA - probabilistic safety assessment
PSAR - preliminary safety analysis report
PSR - periodic safety review
PWR - pressured-water reactor
QA - quality assurance
QC - quality control
QM - quality assurance manual
RADWASS - radioactive waste safety standards
RBE - relative biological effectiveness
RCC - rod cluster control
RG - regulatory guide
RI/PB - risk-informed/performance-based
RODOS - real-time, on-line decision support system
RSK - Reactor Safety Commission (Germany)
RWE - Rheinisch-Westf„lische Elektrizit„tswerke (German Power Supplier)
SALP - systematic assessment of licensee performance
SAMG - severe accident management guidelines
SAR - safety analysis report
SCO - surface contaminated object
SCSIN - Service Central de Sūret‚ des Installations Nucl‚aires
SDV - screening distance value
SG - Safety Guide, or steam generator
SPL - screening probability level
SSC - structure, system or component
SSCs - structures, systems and components
SSE - safe shutdown earthquakes
SSK - Commission on Radiation Protection (Germany)
SSP - safety specification
STUK - Radiation and Nuclear Safety Authority (Finland)
Sv - sievert
- half-life
TI - transport index
TMI - Three Mile Island
TSO - technical support organization
TÜV - Technische Überwachungsvereine ( technical support organization in Germany)
TÜVIS - TÜV information systems
UK - United Kingdom
UPZ - urgent protective action planning zone
USNRC - US Nuclear Regulatory Commission
USSR - The former Soviet Union
VLLW - very low level waste
VVER - Water cooled water moderated energy reactor (Soviet design)
WANO - World Association of Nuclear Operators
WGIP - working group of inspection practices
WKP - wiederkehrende Prüfungen - inspections performed at regular intervals (German)
WL - working level
WLM - working level month
wR - radiation weighting factor
WWER - Water cooled water moderated energy reactor (Soviet design)
YTV - internal guides of the Radiation and Nuclear Safety Authority (Finland)
YVL - regulations and regulatory guides (Finland)
ZPI - Zusammenstellung der in atomrechtlichen Genehmigungs- und Aufsichtsverfahren für Kernkraftwerke zur Prüfung erforderlichen Informationen, collection of information necessary for the examination in the nuclear licensing and supervisory procedures