Workplace Safety and AI Glossary

Short, sourced definitions of the safety metrics, regulations and AI terms EHS teams run into.

• What is the DART rate?

  Understand the DART rate, its calculation, the cases it includes, and how to compare workplace injury and illness rates.

• What are leading safety indicators?

  Learn what leading safety indicators measure, how to choose useful metrics, and why prevention activities need outcome checks.

• What is LTIFR (Lost Time Injury Frequency Rate)?

  LTIFR explained: the per-million-hours formula, what counts as a lost-time injury, and how it differs from TRIR and DART.

• What is a near miss?

  Understand near misses, why they should be reported, and how investigations help identify causes and prevent injuries.

• What is TRIR (Total Recordable Incident Rate)?

  TRIR (Total Recordable Incident Rate) explained: the OSHA formula, what the 200,000 hours stand for, a worked example and the limits of the measure.