Acronyms Index

Last updated: 2026-01-01

A–Z Listing

  • ACGIH — American Conference of Governmental Industrial Hygienists
  • AED — Automated External Defibrillator
  • AIHA — American Industrial Hygiene Association
  • ANSI — American National Standards Institute
  • APR — Air-Purifying Respirator
  • ASSP — American Society of Safety Professionals
  • BBP — Bloodborne Pathogens
  • BLS — Bureau of Labor Statistics
  • CAA — Clean Air Act
  • CAS — Chemical Abstracts Service
  • CDC — Centers for Disease Control and Prevention
  • CERCLA — Comprehensive Environmental Response, Compensation, and Liability Act
  • CFR — Code of Federal Regulations
  • COSH — Council on Occupational Safety and Health
  • CPR — Cardiopulmonary Resuscitation
  • CWA — Clean Water Act
  • DART — Days Away, Restricted, or Transferred
  • DOT — Department of Transportation
  • EHS — Environment, Health, and Safety
  • EHSMS — EHS Management System
  • EMS — Emergency Medical Services
  • EPA — Environmental Protection Agency
  • EPCRA — Emergency Planning and Community Right-to-Know Act
  • FIFRA — Federal Insecticide, Fungicide, and Rodenticide Act
  • GFCI — Ground-Fault Circuit Interrupter
  • GHS — Globally Harmonized System
  • HAZCOM — Hazard Communication
  • HAZWOPER — Hazardous Waste Operations and Emergency Response
  • HEPA — High-Efficiency Particulate Air
  • HMIS — Hazardous Materials Identification System
  • HSE — Health, Safety, and Environment
  • HVAC — Heating, Ventilation, and Air Conditioning
  • IDLH — Immediately Dangerous to Life or Health
  • IH — Industrial Hygiene
  • ILO — International Labour Organization
  • ISO — International Organization for Standardization
  • ISO 14001 — Environmental Management Systems
  • ISO 45001 — Occupational Health and Safety Management Systems
  • JHA — Job Hazard Analysis
  • JSA — Job Safety Analysis
  • LEL — Lower Explosive Limit
  • LEV — Local Exhaust Ventilation
  • LFL — Lower Flammable Limit
  • LOTO — Lockout/Tagout
  • MOC — Management of Change
  • MSDS — Material Safety Data Sheet
  • MSHA — Mine Safety and Health Administration
  • NFPA — National Fire Protection Association
  • NFPA 704 — NFPA 704 Hazard Identification
  • NIOSH — National Institute for Occupational Safety and Health
  • NPDES — National Pollutant Discharge Elimination System
  • OEL — Occupational Exposure Limit
  • OHSMS — Occupational Health and Safety Management System
  • OSHA — Occupational Safety and Health Administration
  • PAPR — Powered Air-Purifying Respirator
  • PEL — Permissible Exposure Limit
  • PFD — Personal Flotation Device
  • POTW — Publicly Owned Treatment Works
  • PPE — Personal Protective Equipment
  • PSM — Process Safety Management
  • PSSR — Pre-Startup Safety Review
  • PTW — Permit to Work
  • RAGAGEP — Recognized and Generally Accepted Good Engineering Practices
  • RCD — Residual Current Device
  • RCRA — Resource Conservation and Recovery Act
  • REL — Recommended Exposure Limit
  • RIDDOR — Reporting of Injuries, Diseases and Dangerous Occurrences Regulations
  • RMP — Risk Management Plan
  • RPE — Respiratory Protective Equipment
  • RTK — Right-to-Know
  • SARA — Superfund Amendments and Reauthorization Act
  • SCBA — Self-Contained Breathing Apparatus
  • SDS — Safety Data Sheet
  • SIF — Serious Injury and Fatality
  • SIL — Safety Integrity Level
  • SIS — Safety Instrumented System
  • SOP — Standard Operating Procedure
  • SPCC — Spill Prevention, Control, and Countermeasure
  • STEL — Short-Term Exposure Limit
  • SWP — Safe Work Procedure
  • TB — Tuberculosis
  • TLV — Threshold Limit Value
  • TRI — Toxics Release Inventory
  • TRIR — Total Recordable Incident Rate
  • TSCA — Toxic Substances Control Act
  • TWA — Time-Weighted Average
  • UEL — Upper Explosive Limit
  • UFL — Upper Flammable Limit
  • VPP — Voluntary Protection Programs
  • WHO — World Health Organization