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Home / Glossary Categories / H&RA

Hazard and Risk Assessment (H&RA)

These are the various terms in the ecosystem of doing Hazard and Risk Assessments (H&RA). Such as HAZID, HAZOP, risk graph, and many more.  This is a significant part of the functional safety ecosystem, which is why there are so many associated terms.

  • Acute Exposure Guideline Level (AEGL)
  • Bowtie Analysis
  • Dispersion Analysis
  • Emergency Response Planning Guidelines (ERPG)
  • Event Tree Analysis (ETA)
  • Failure Modes and Effects Analysis (FMEA)
  • Failure Modes, Effects, and Diagnostic Analysis (FMEDA)
  • Fault Tree Analysis (FTA)
  • Hazard
  • Hazard and Operability Study (HAZOP)
  • Hazard and Risk Assessment (H&RA)
  • Hazard Identification (HAZID)
  • Immediately Dangerous to Life or Health (IDLH)
  • Initiating Event
  • Logic Gate
  • Major Accident
  • NFPA Hazard Ratings
  • PEAR Model – People, Environment, Asset, Reputation
  • Probable Loss of Life (PLL)
  • Process Hazard Analysis (PHA)
  • Process Safety Information (PSI)
  • Qualitative Risk Assessment (QLRA)
  • Quantitative Risk Assessment (QRA)
  • Risk Matrix
  • Semi-Quantitative Risk Analysis
  • Tolerable Mean Event Likelihood (TMEL)
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