Develop a basic understanding of risk assessment and its role within the risk management process. • Differentiate between risk assessment and risk management. • Develop a basic understanding of how to conduct and evaluate an uncertainty analysis for a risk assessment. | Risk Assessment and Risk Management I Principles of Environmental Toxicology Instructor Gregory Möller . University of Idaho Principles of Environmental Toxicology Learning Objectives Develop a basic understanding of risk assessment and its role within the risk management process. Differentiate between risk assessment and risk management. Develop a basic understanding of how to conduct and evaluate an uncertainty analysis for a risk assessment. 2 Principles of Environmental Toxicology Fear of danger is ten thousand times more terrifying than danger itself. --Daniel Defoe 1660-1731 3 Principles of Environmental Toxicology Risk Perceptions and Preferences Experts and the public often disagree about risk. People will accept risks 1 000 greater if they are voluntary . driving a car than if they are involuntary . a nuclear disaster Starr 1969 . Risk attributes that lead to cognitive bias - Availability Imagining scenarios - Anchoring Background knowledge - Gain Loss asymmetry Loss is value greater - Threshold Adverse to uncertainty 4 Principles of Environmental Toxicology Toxicology and Risk Analysis Risk analysis is broadly defined to include risk assessment risk characterization risk communication risk management and policy relating to risk. Society of Risk Analysis 5 Principles of Environmental Toxicology Toxicology and Risk Analysis Risk assessment - Scientific evaluation of the probability of harm resulting from exposure to toxic substances. EPA Risk characterization - A description of the nature and magnitude of health risk that combines results of exposure assessment and hazard identification and describes the uncertainty associated with each step. NAS Risk communication - The science of communicating effectively in situations that are of high concern sensitive or controversial. Risk communication principles serve to create an appropriate level of outrage behavior modification or mitigating response that is in direct proportion to the level of risk or .
