WHAT ARE THE TRADE-OFFS? Risk Vs.Cost -If chlorine is dangerous how much will you pay for a different treatment? For Hazardous waste sites in Massena. How clean is clean enough? RiskAssessmentRisk Assessment 9 WHAT ARE THE TRADE-OFFS? ▪ Risk Vs. Cost ▪ If chlorine is dangerous how much will you pay for a different treatment? ▪ For Hazardous waste sites in Massena. How clean is clean enough?