15. Managing Environmental Quality

15. Managing Environmental Quality - 15 Managing...

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15. Managing Environmental Quality Environmental Regulation Costs in the United States 2000 (EPA estimates) The cost of building 24 nuclear aircraft carriers. An amount greater than the GDP of Indonesia. It’s a lot of money To use money wisely: must focus on risks Risk- likelihood or probability that harm will occur Two type of risks Human health risks Ecological risks Expenditures must focus on the greatest risks Requires a risk analysis process Risk assessment, based on hard science Risk management, based on the social sciences E.P.A. Risk Assessment Model Hazard Identification establishes a link between a substance and human disease Animal tests Rats used that are genetically disposed to develop tumors Test animals receive huge exposure Animal physiology is very different from human Epidemiological studies A statistical survey of mortality (death) and morbidity (sickness) in a sample human population People react differently to exposure Lengthy latency periods are common Dose-Response Assessment
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15. Managing Environmental Quality - 15 Managing...

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