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

H_T (H_T)

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

w_R (w_R)

radiation weighting factor

w_T (w_T)

tissue weighting factor