WHAT ARE THE TRADE-OFFS? When the EPA does a risk assessment they ask: -What contaminants exist at the site? How are people exposed to them? How dangerous could the contaminants be to human health? -What contaminant concentrations are considered acceptable? RiskAssessment 10 Risk Assessment 10 WHAT ARE THE TRADE-OFFS? ▪ When the EPA does a risk assessment they ask: – What contaminants exist at the site? – How are people exposed to them? – How dangerous could the contaminants be to human health? – What contaminant concentrations are considered acceptable?