1 Introduction 1.1 History of Safety 1.2 Significance of Safety Engineering 1.3 Acceptability of Safety 1.4 Basic Definitions or Concepts 1.5 Safety Maturity Model and Safety Management Systems 1.6 Leading and Lagging Safety 2 Models of Accident Causation 2.1 Linear Models 2.2 Complex Linear Models 2.3 Complex Non-Linear Accident Models 2.4 Systems Defects 2.5 Near-Miss Relationship 3 Hazard Analysis 3.1 Hazard Analysis Methodology 3.2 Hazard Analysis Classified by Objectives 3.3 Preliminary Hazard List 3.4 HAZOP 3.5 What-If Analysis and Safety Checklists 3.6 Fault Tree Analysis 3.7 Failure Mode and Effects Analysis 3.8 Event Tree Analysis 3.9 Cause-Consequence Analysis 4 System Safety Assessment 4.1 Risk Assessment 4.2 Risk Evaluation 4.3 Dow Chemical Company, Fire and Explosion Index 4.4 ICI Mond 4.5 Six-Stage Evaluation Method 5 Risk Control and Safety Management 5.1 Hazard Reduction Precedence 5.2 Hazard Control 5.3 Safety Management Principles 5.4 Robust Safety Management System Appendix References