07/09/2026
100 MOST IMPORTANT SAFETY TERMS EVERY HSE PROFESSIONAL SHOULD KNOW
1. HSE — Health, Safety & Environment
2. EHS — Environment, Health & Safety
3. OHS — Occupational Health & Safety
4. PPE — Personal Protective Equipment
5. PTW — Permit to Work
6. JSA — Job Safety Analysis
7. JHA — Job Hazard Analysis
8. RA — Risk Assessment
9. RAMS — Risk Assessment & Method Statement
10. TBT — Toolbox Talk
11. SOP — Standard Operating Procedure
12. SWP — Safe Work Procedure
13. SWMS — Safe Work Method Statement
14. LOTO — Lockout/Tagout
15. SDS — Safety Data Sheet
16. MSDS — Material Safety Data Sheet
17. TPI — Third Party Inspection
18. NCR — Non-Conformance Report
19. CAR — Corrective Action Request
20. CAPA — Corrective & Preventive Action
21. HIRA — Hazard Identification & Risk Assessment
22. HAZID — Hazard Identification
23. HAZOP — Hazard & Operability Study
24. SIMOPS — Simultaneous Operations
25. ERP — Emergency Response Plan
26. EAP — Emergency Action Plan
27. ERT — Emergency Response Team
28. FRC — Flame Resistant Clothing
29. SCBA — Self-Contained Breathing Apparatus
30. RPE — Respiratory Protective Equipment
31. WBGT — Wet Bulb Globe Temperature
32. TLV — Threshold Limit Value
33. TWA — Time-Weighted Average
34. STEL — Short-Term Exposure Limit
35. PEL — Permissible Exposure Limit
36. OEL — Occupational Exposure Limit
37. IDLH — Immediately Dangerous to Life or Health
38. LEV — Local Exhaust Ventilation
39. HVAC — Heating, Ventilation & Air Conditioning
40. VOC — Volatile Organic Compound
41. BBS — Behavior-Based Safety
42. KPI — Key Performance Indicator
43. LTI — Lost Time Injury
44. LTIFR — Lost Time Injury Frequency Rate
45. TRIR — Total Recordable Incident Rate
46. DART — Days Away, Restricted or Transferred
47. RWI — Restricted Work Injury
48. MTC — Medical Treatment Case
49. FAC — First Aid Case
50. NM — Near Miss
51. RCA — Root Cause Analysis
52. MOC — Management of Change
53. PSSR — Pre-Startup Safety Review
54. PHA — Process Hazard Analysis
55. WAH — Work at Height
56. MEWP — Mobile Elevating Work Platform
57. EWP — Elevated Work Platform
58. SWL — Safe Working Load
59. WLL — Working Load Limit
60. NDT — Non-Destructive Testing
61. PT — Penetrant Testing
62. MT — Magnetic Particle Testing
63. UT — Ultrasonic Testing
64. RT — Radiographic Testing
65. RCD — Residual Current Device
66. ELCB — Earth Leakage Circuit Breaker
67. MCB — Miniature Circuit Breaker
68. DB — Distribution Board
69. GFCI — Ground-Fault Circuit Interrupter
70. CPR — Cardiopulmonary Resuscitation
71. AED — Automated External Defibrillator
72. BLS — Basic Life Support
73. OSHA — Occupational Safety & Health Administration
74. ILO — International Labour Organization
75. ISO — International Organization for Standardization
76. FACP — Fire Alarm Control Panel
77. MCP — Manual Call Point
78. DCP — Dry Chemical Powder
79. PASS — Pull, Aim, Squeeze, Sweep
80. RACE — Rescue, Alarm, Confine, Extinguish/Evacuate
81. UV — Ultraviolet
82. HEPA — High-Efficiency Particulate Air
83. APR — Air-Purifying Respirator
84. BA — Breathing Apparatus
85. FR — Flame Resistant
86. FFE — Fire Fighting Equipment
87. IC — Incident Commander
88. 5-Why — Five Whys Analysis
89. JCC — Job Competency Certificate
90. WPR — Work Permit Receiver
91. WPC — Work Permit Coordinator
92. T&C — Terms & Conditions
93. SI — Safety Incident
94. CO₂ — Carbon Dioxide
95. ABC — Fire Extinguisher Classification
96. MOC — Management of Change
97. PPE — Personal Protective Equipment
98. RA — Risk Assessment
99. JSA — Job Safety Analysis
100. HSE — Health, Safety & Environment
