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Course Description

This course explains how measures of risk are developed from accident frequencies and consequences and how they are used in decision making. The various ways in which risk estimates can be presented are covered. Comparison with tolerable risk criteria is also discussed.

Target Audience

Process safety personnel who need to understand how risk estimates are developed and how they are used in decision making.


An engineering or scientific background facilitates understanding of the course material. Attendees should bring a scientific calculator to the course.

Course Contents

  • Overview
    • Objectives
    • Benefits
    • Uses
    • Definition of Terms
    • Limitations
  • Screening Techniques
  • Risk Measures
    • Indices
    • Individual Risk
    • Societal Risk
  • Risk Presentation and Calculation
    • Point Estimates
    • Risk Contours
    • F-N Curves
  • Risk Criteria
    • Measures of Risk Acceptance
    • Limit Lines
  • Risk Uncertainties, Sensitivity and Importance
  • Use of Risk in Decision Making

Duration / CEUs

  • One day
  • 0.7 CEUs awarded

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