Industry Acronyms & Terms Glossary

A

Alarm

Alarm Flood

Alarm Management

Alarm Philosophy

Alarm Priority
Alarm Rationalization

Alarm Selection

ANSI ISA-18.2-2009

API 525

API 535

API 556

As Low as Reasonably Practicable (ALARP)

As-Built

B

Basic Process Control System

Blowdown

Basic Process Control Systems (BPCS)

Burn-In
Burner Management System (BMS)

 

C

Calibration Curve

Cause & Effect (C&E)

Center for Chemical Process Safety (CCPS)

Code of Federal Regulation (CFR)

Combustion Control System (CCS)

Common Cause Failure

Common Mode Failure

Compliance Auditing

Computational Fluid Dynamics (CFD)

Conditional Modifier

Control Hazard and Operability Study (CHAZOP)

Control Panel

Covert Failure

D

(De)terminate

Deflagration

Detonation

Deviation

Distributed Control System (DCS)

Double Jeopardy

Dust Hazard Analysis (DHA)

 

E

Emergency Response Planning Guideline (ERPG)

Enabling Condition

Environmental Protection Agency (EPA) 

F

Facility Siting Study

Factory Acceptance Testing (FAT)

Fail Closed - Fail Open

Failure Modes and Effects Analysis (FMEA)

Fault Tolerance

Fault Tree Diagram

Fire and Gas Mapping

Fire and Gas Philosophy

Flash Fire

Frequency

Front End Loading

Functional Safety

Functional Safety Assessments (FSA)

G

Gas Detection System

H

Hardware Fault Tolerance

Hazard

Hazard Identification (HAZID)

HAZOP (Hazard and Operability) Analysis 

High Demand Mode

Highly Hazardous Chemical (HHC)

HIPPS System

Hot Work

Human Factors

Human Machine Interface (HMI)

Human Reliability Analysis (HRA)

Hysteresis (dead band)

I

IEC 61511 / ISA 84

Immediately Dangerous to Life and Health (IDLH)

Incident

Independent Protection Layer (IPL)

Industrial Automation

Industrial Control Systems

Inherently Safer Design (ISD)

Initiating Event

Intrinsic Safety (IS)

IPL Independence

IPL Verification

J

Jet Fire

L

Latching Alarm

Latent Failure

Layers Of Protection Analysis (LOPA)

Likelihood

Low Demand Mode

Lower Flammability Limit (LFL)

M

Management of Change (MOC)

Maximum Credible Event (MCE)

N

NFPA 85

NFPA 86

NFPA 87

Node

Nuisance Alarm

P

Pigging

Process Hazard Analysis (PHA)

Probability

Probability of Failure on Demand (PFD)

Process Automation

Process Risk Management

Programmable Logic Controller (PLC)

Proof Test

PSM (Process Safety Management) Covered Process
 

Q

Quantitative Risk Assessment (QRA)

R

Recognized and Generally Accepted Good Engineering Practice (RAGAGEP)

Recommendation

Redundancy

Risk

Risk Reduction Factor (RRF)

Root Cause

S

Safeguard

Safety Controls, Alarms, and Interlocks (SCAI)

Safety Instrumented Function (SIF)

Safety Instrumented System (SIS)

Safety Integrity Level (SIL) Calculations

Safety Integrity Level (SIL) Ratings

Safety Lifecycle

Safety Requirement Specification (SRS)

Scenario

Sequential Function Chart (SFC)

Shutdown

SIS Engineering

Site Acceptance Testing (SAT)

Systematic Failure

Systematic Failures

Systems Integration

Systems Theoretic Accident Model and Processes (STAMP)

Systems Theoretic Process Analysis (STPA)

U

Upper Flammability Limit (UFL)

V

Vapor Cloud Explosion (VCE)

Voting Logic