Assessing Human RiskWhy do we need risk assessment?What is risk assessment? ÈHow does it differ from other hazard management strategies? ÈThe major components of a risk assessmentRisk assessment exampleRisk assessment and risk management
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Why do we need risk assessments?Number of new chemicals >> chemical impact research24 million chemicals in the Chemical Abstracts Services (CAS) Registry (4,000 added per day)70,000 chemicals formulations in commerce (1000 added/year)3 300 high production volume (HPV) chemicals [more than 1 millionAND3,300 high production volume (HPV) chemicals [more than 1 million pounds/y produced]900 Substances reviewed by the International Agency for Research on Cancer500 Chemicals in the EPA Integrated Risk Information System database95 known human carcinogens133 000 chemicals in the Registry of Toxic Effects of Chemical133,000 chemicals in the Registry of Toxic Effects of Chemical Substances (RTECS) database (mainly with only LD50 studies)