REGDOC-3.6, Glossary of CNSC Terminology - Acronyms
Appendix A: Acronyms and Abbreviations
- ACR (RAC)
- annual compliance report
- AECL (EACL)
- Atomic Energy of Canada Limited
- ALARA (ALARA)
- as low as reasonably achievable
- ALI (LAI)
- annual limit on intake
- AM (GV)
- aging management
- AMP (SAP ou PGV)
- administrative monetary penalty Note: AMP has also been used for aging management program / aging management plan but is now reserved for administrative monetary penalty
- ANO (ONA)
- authorized nuclear operator; see reactor operator
- ANS (ANS)
- American Nuclear Society
- ANSI (ANSI)
- American Nuclear Standards Institute
- AOO (IFP)
- anticipated operational occurrence
- ASDV (VDVA)
- atmospheric steam discharge valve
- ASME (ASME)
- a professional association, founded as the American Society of Mechanical Engineers
- BATEA (MTEAR)
- best available technology and techniques economically achievable
- BDBA (AHD)
- beyond-design-basis accident
- BDBE (SHD)
- beyond-design-basis earthquake
- BDBT (MHD)
- beyond-design-basis threat
- BDCP (PCSE)
- by-difference correction principle
- BE (IA)
- below expectations; see safety performance rating methodology
- BEAU (BEAU)
- best estimate and uncertainty (BEAU) method
- Bq (Bq)
- becquerel
- BWR (REB)
- boiling water reactor
- CANDU (CANDU)
- CANada Deuterium Uranium
- CASA (ESAC)
- criticality accident sequence assessment
- CCF (DCC)
- common-cause failure
- CCME (CCME)
- Canadian Council of Ministers of the Environment
- CEAA 2012 (LCEE 2012)
- Canadian Environmental Assessment Act, 2012
- CEDO (OAEA)
- certified exposure device operator
- CEPA (LCPE)
- Canadian Environmental Protection Act, 1999
- CHF
- critical heat flux
- Ci (Ci)
- curie; see becquerel
- CM
- configuration management or corrective maintenance
- CMD (CMD)
- Commission member document
- CNS (CSN)
- Convention on Nuclear Safety
- CNSC (CCSN)
- Canadian Nuclear Safety Commission
- COPC (CPP)
- contaminant of potential concern
- CRDM
- control rod drive mechanism
- CRNC (VNCJ)
- criminal records name check
- CRO (OSC)
- control room operator; see reactor operator
- CSA (CSA)
- Canadian Standards Association; now called CSA Group
- CSC (CSC)
- criticality safety control; see nuclear criticality safety control
- CSDV (SEVC)
- condenser steam discharge valve
- CSI (CSI)
- criticality safety index
- CVC (CVC)
- compliance verification criteria
- D (D)
- absorbed dose
- DA (AD)
- derived activity
- DAC (LDCA)
- derived air concentration
- DBA (AD)
- design-basis accident
- DBE (SR)
- design-basis earthquake
- DBT
- design-basis threat
- DCF (FCD)
- dose conversion factor
- DEC (CAD)
- design extension conditions
- DGR (DGP)
- deep geological repository
- DIL (NED)
- derived investigational level
- DO
- designated officer
- DRL (LRD)
- derived release limit
- E (E)
- effective dose
- EA (EE)
- environmental assessment
- ECCS (SRUC)
- emergency core cooling system
- EFPD (JEPP)
- equivalent full-power day
- EFPH (HEPP)
- equivalent full power hour.
- EHRS (SEUC)
- emergency heat removal system
- EIR (RIE)
- event initial report
- EIS (EIE)
- environmental impact statement
- Ekg (kgE)
- effective kilogram
- ELAP (PPACA)
- extended loss of AC power
- EME (EAU)
- emergency mitigating equipment
- EMS (SGE)
- environmental management system
- EO
- enabling objective
- EPR (EPE)
- environmental protection review
- EPREV (EPREV)
- Emergency Preparedness Review (an IAEA service)
- EPS (AEU)
- emergency power supply
- EQ (QE)
- environmental qualification
- ERA (ERE)
- environmental risk assessment
- ERO (OIU)
- emergency response organization
- ESC (CSU)
- emergency support centre
- ESWS (SSUAE)
- emergency secondary water supply system
- eV (eV)
- electron volt
- FAI (MPF)
- Fukushima action item
- FERP (PFIU)
- Federal Emergency Response Plan
- FFD
- fitness for duty
- FINAS (FINAS)
- fuel incident notification and analysis system
- FLORC (PRCR)
- fast loss of reactivity control
- FNEP (PFUN)
- Federal Nuclear Emergency Plan
- FS (ES)
- fully satisfactory; see safety performance rating methodology
- FV (FV)
- Fussell‑Vesely; see importance measures
- FY (exerice)
- fiscal year
- GAI (DG)
- generic action item
- GAR (REG)
- global assessment report; see global assessment
- GBq (GBq)
- gigabecquerel, that is, 109 becquerels; see becquerel
- GSS (EAG)
- guaranteed shutdown state
- GWD (GWj)
- gigawatt‑days
- Gy (Gy)
- gray
- HAC
- hypothetical accident conditions
- HCLPF
- high confidence of low probability of failure
- HDR (HDD)
- high dose rate (HDR) brachytherapy remote afterloader
- HEU (UHE)
- high-enriched uranium
- HEUNL (NULHE)
- highly enriched uranyl nitrate liquid
- HF (FH)
- human factors
- HFE (IFH)
- human factors engineering; see human factors in design
- HOP (RHO)
- human and organizational performance
- HT (HT)
- equivalent dose
- HTO (HTO)
- hydrogenated tritium oxide; also called tritiated water
- HTS
- primary heat transport system
- HVL (CDA)
- half‑value layer
- HVT (CDA)
- half‑value thickness; see half‑value layer
- H/X (H/X)
- hydrogen-to-fissile atomic ratio
- IAA (LEI)
- Impact Assessment Act
- IAEA (AIEA)
- International Atomic Energy Agency
- I&C (IC)
- instrumentation and control
- ICAO (OACI)
- International Civil Aviation Organization
- ICRP (CIPR)
- International Commission on Radiological Protection
- ICRU (CIUMR)
- International Commission on Radiation Units and Measurements
- IEMP (PISE)
- Independent Environmental Monitoring Program
- IFB
- irradiated fuel bay; see wet storage bay
- IIP (PIMO)
- integrated implementation plan
- IL (NE)
- investigational level
- IMRT (RCMI)
- intensity modulated radiation therapy
- INES (INES)
- International Nuclear and Radiological Event Scale
- INFCIRC (INFCIRC)
- Information Circular (IAEA publication)
- INPO (INPO)
- Institute of Nuclear Power Operations
- IPPAS (SCIPP)
- International Physical Protection Advisory Service
- IRD (DRI)
- immediate rapid deployment
- IRRS (SEIR)
- Integrated Regulatory Review Service
- IRS (IRS)
- International Reporting System for Operating Experience
- ISAR (ISAR)
- industrial safety accident rate
- ISI
- in‑service inspection
- ISO (ISO)
- International Organization for Standardization
- ISR (EIS)
- integrated safety review; see periodic safety review
- KI (KI)
- potassium iodide
- LBB (FAR)
- leak before break
- LBLOCA (APRPGB)
- large-break loss-of-coolant accident; see loss-of-coolant accident
- LCH (MCP)
- licence conditions handbook
- LCMP (PGV)
- lifecycle management plan; see aging management program / aging management plan
- LDRM (MRFD)
- low dispersible radioactive material
- LET (TLE)
- linear energy transfer
- LEU (UFE)
- low-enriched uranium
- LLOCA (APMRP)
- large loss-of-coolant accident; see loss-of-coolant accident
- LLRD (PRLP)
- long-lived radioactive dust
- LLW (DFA)
- low-level waste
- LOCA (APRP)
- loss-of-coolant accident
- LOE (ELE)
- limit of operating envelope
- LOF
- location outside facilities
- LPO
- last person out
- LPSWOS (CESBP)
- low‑pressure service water open system
- LRF (FGER)
- large release frequency
- LTO
- long‑term operation
- LWR (REO)
- light‑water reactor
- MAPS
- minimum allowable performance standards
- MBA (ZBM)
- material balance area
- MB Code (code MB)
- measurement basis code
- MBq (MBq)
- megabecquerel, that is, 106 becquerels; see becquerel
- MCR (SCP)
- main control room
- MDC (CDM)
- material description code
- MeV (MeV)
- megaelectron volt
- MMC (CMM)
- minimum measurable concentration
- MMR (MRM)
- micro modular reactor; see reactor facility
- MRO (ME)
- medical review officer
- MSDS (FS)
- material safety data sheet
- MSIV (VIPV)
- main steam isolation valve
- MTL (NME)
- minimum testing level
- MTU (MTU)
- metric tonne of uranium
- MU (UM)
- monitor unit
- MUF
- material unaccounted for; see inventory difference
- NCB (OCN)
- National Non‑Destructive Testing (NDT) Certification Body
- NCS (SCN)
- nuclear criticality safety
- NCSE (ESCN)
- nuclear criticality safety evaluation
- NDR (FDN)
- National Dose Registry
- NDT (END)
- non‑destructive testing; see also National Non‑Destructive Testing (NDT) Certification Body
- NEM (GUN)
- nuclear emergency management
- NEO (OUN)
- Nuclear Emergency Organization
- NEW (TSN)
- nuclear energy worker
- NOA
- NOA – NO ADVERSE INFO or Notice of Assessment (NOA) – INSUFFICIENT INFO
- NPP
- nuclear power plant
- NPT (TNP)
- Treaty on the Non-Proliferation of Nuclear Weapons (also referred to as the Non-Proliferation Treaty or the Nuclear Non-Proliferation Treaty)
- NRC
- National Research Council or U.S. Nuclear Regulatory Commission
- NSCA (LSRN)
- Nuclear Safety and Control Act
- NSG (GFN)
- Nuclear Suppliers Group
- NSO (ASN)
- nuclear security officer
- OBT (TLCO)
- organically bound tritium
- OJT
- on-the-job training
- OLC
- operational limits and conditions
- OP&P (LCE)
- operating policies and principles
- OPEX (OPEX)
- operating experience
- PAR
- passive autocatalytic recombiner; also called passive autocatalytic hydrogen recombiner
- PAS (EAP)
- personal air sampler
- PBD (DEP)
- pressure boundary degradation
- PDR (DDP)
- pulsed dose rate
- PEOC (CPOU)
- Provincial Emergency Operations Centre
- PET (TEP)
- positron emission tomography
- PHTS (CCP)
- primary heat transport system
- PI
- performance indicator
- PIE (EIH)
- postulated initiating event
- PIF (FIP)
- potential intake fraction
- PIV (VSP)
- physical inventory verification
- PPE (EPI)
- personal protective equipment
- PPS (SPP or AEP)
- physical protection system or preferred power supply
- PRA (EPS)
- probabilistic risk analysis or probability risk assessment; see probabilistic safety assessment
- PROL (PERP)
- power reactor operating licence
- PRV (VDV)
- primary relief valve
- PSA (EPS)
- probabilistic safety assessment
- PSAR (RPAS)
- preliminary safety analysis report
- PSR (BPS)
- periodic safety review
- PWR (REP)
- pressurized water reactor
- QM (GQ)
- quality management
- R (R)
- response
- RAW (RAR)
- risk achievement worth; see importance measures
- RCA
- root-cause analysis
- RCM (MAF)
- reliability-centred maintenance
- RCS (SRR)
- reactor coolant system
- RDR (RRR)
- risk decrease ratio; see importance measures
- RIR (RAR)
- risk increase ratio; see importance measures
- RPPE (EPIR)
- radiation personal protective equipment
- RRW (RRR)
- risk reduction worth; see importance measures
- RSDS (FSR)
- radiation safety data sheets
- RSO (RRP)
- radiation safety officer
- SA (SA)
- satisfactory; see safety performance rating methodology
- SAD
- source axis distance
- SAM (GAG)
- severe accident management (SAM) program
- SAMG (LDGAG)
- severe accident management guidelines; see severe accident management (SAM) program
- SAR (RAS)
- safety analysis report
- SAT (ASF)
- systematic approach to training
- SBO (PETC)
- station blackout
- SCA (DSR)
- safety and control area
- SCDF (FDGC)
- severe core damage frequency
- SCO (SCO)
- surface contaminated object
- SCR (SCA)
- secondary control room
- SD (arrêt)
- shutdown
- SDCS (CRA)
- shutdown cooling system
- SGECS (SRUGV)
- steam generator emergency cooling system
- SHP
- senior health physicist
- SI (SI)
- International System of Units (Système international d’unités)
- SIS (SIS)
- systems important to safety
- SM (GQ)
- shift manager; see plant shift supervisor
- SMR (VMS ou PRM)
- scheduled maintenance release or security monitoring room or small modular reactor (see reactor facility)
- SNF
- spent nuclear fuel; see used nuclear fuel
- SOE (PES)
- safe operating envelope
- SOR (BA)
- shutoff rod
- SPI
- safety performance indicator
- SRS (SRS)
- safety-related systems
- SS
- shift supervisor; see plant shift supervisor
- SSC (SSC)
- structures, systems and components
- SSD
- source skin distance
- SSS
- safe shutdown state
- SStrA (ERMCE)
- site selection threat and risk assessment
- Sv (Sv)
- sievert
- TBI (ICT)
- total body irradiation
- TBq (TBq)
- terabecquerel, that is, 1012 becquerels; see becquerel
- TI (IT)
- transport index
- TIE (IET)
- toxicity identification and evaluation
- TLA
- time-limited assumptions
- TLD (DTL)
- thermoluminescent dosimeter
- TLO
- terminal learning objective
- TNA (ABF)
- training needs analysis
- TP
- trip parameter
- TRA (EMR)
- threat and risk assessment
- TVL (CAD)
- tenth‑value layer
- U (U)
- uranium or use factor
- UA (IN)
- unacceptable; see safety performance rating methodology
- USL (LSSC)
- upper subcritical limit
- U.S. NRC (U.S. NRC)
- U.S. Nuclear Regulatory Commission
- VC (CV)
- valued component
- VEC (CVE)
- See valued component
- VSLORC
- very slow loss of reactivity control
- WANO (WANO)
- World Association of Nuclear Operators
- WHMIS (SIMDUT)
- Workplace Hazardous Materials Information System
- WL (WL)
- working level
- WLM (WLM)
- working level month
- WP
- work package
- WPAS (WPAS)
- workplace air sampler
- wR (wR)
- radiation weighting factor
- wT (wT)
- tissue weighting factor
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