12 Risk - LIVING WITH THE EARTH ASSESSING HUMAN RISK -...

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Unformatted text preview: LIVING WITH THE EARTH ASSESSING HUMAN RISK - Moore 1 Objectives for this Chapter • A student reading this chapter will be able : to: – 1. Define risk and discuss the uncertainties sociated with environmental risk. associated with environmental risk. – 2. Discuss the characteristics of risk. ASSESSING HUMAN RISK - Moore 2 Objectives for this Chapter • A student reading this chapter will be able : to: – 3. Define risk analysis and describe the tools sed to perform risk analysis. used to perform risk analysis. – 4. Explain the concepts of dose, extrapolation, and acceptable daily intakes (ADI). ASSESSING HUMAN RISK - Moore 3 Objectives for this Chapter • A student reading this chapter will be able : to: – 5. List and discuss the process of risk analysis cluding hazard identification, dose- sponse including hazard identification, dose response assessment, exposure assessment, and risk characterization. – 6. Outline and discuss the major components of risk management and risk communication. ASSESSING HUMAN RISK - Moore 4 ASSESSING HUMAN RISK • INTRODUCTION isk can be of a financial personal social – Risk can be of a financial, personal, social, health, and environmental nature. he word “Risk” describes a range of activities The word Risk describes a range of activities, situations and concepts, from drinking a glass of red wine daily to skydiving and extreme skiing, to chemical exposure. ASSESSING HUMAN RISK - Moore 5 ASSESSING HUMAN RISK • INTRODUCTION isk is commonly used to describe types of – Risk is commonly used to describe types of people or situations. • Risk-taker • Risk-free – A comparison of some of life’s risks are shown in Figure 1. ASSESSING HUMAN RISK - Moore 6 Fig. 12-1 ASSESSING HUMAN RISK - Moore 7 ASSESSING HUMAN RISK • INTRODUCTION eople accept certain risks because they enjoy – People accept certain risks because they enjoy the benefit they receive from the behavior or activity. – Some people seek out extraordinarily high levels of risk, engaging in skydiving, bungee jumping, rock and ice climbing and other extreme sports (Fig. 12-2). ASSESSING HUMAN RISK - Moore 8 Fig. 12-2 Some risks are voluntary ASSESSING HUMAN RISK - Moore 9 Environmental Risk – A central factor of environmental risk is that it is usually involuntary. – People do not choose to ingest chemical pollutants such as pesticides or industrial solvents in their food and water or undergo workplace exposures to dangerous chemicals....
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This note was uploaded on 07/15/2011 for the course PHC 6357 taught by Professor Mlynarek,s during the Summer '08 term at University of South Florida - Tampa.

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12 Risk - LIVING WITH THE EARTH ASSESSING HUMAN RISK -...

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