Science and judgment in risk assessment

Abstract

Science and Judgment in Risk Assessment -- Copyright -- Other Recent Reports Of The Board On Environmental Studies And Toxicology -- Preface -- Contents -- Executive Summary -- REGULATION OF HAZARDOUS AIR POLLUTANTS -- CHARGE TO THE STUDY COMMITTEE -- CURRENT RISK-ASSESSMENT PRACTICES -- STRATEGIES FOR RISK ASSESSMENT -- Flexibility and the Use of Default Options -- Recommendations -- Validation: Methods and Models -- Recommendations -- Priority-Setting and Data Needs -- Recommendations -- Variability -- Recommendations -- Uncertainty -- Recommendations -- Aggregation -- Recommendations -- Communicating Risk -- Recommendation -- An Iterative Approach -- Recommendations -- OVERALL CONCLUSIONS AND RECOMMENDATIONS -- 1 Introduction -- Charge To The Committee -- Conceptual Framework Of The Report -- Part I Current Approaches to Risk Assessment -- 2 Risk Assessment and Its Social and Regulatory Contexts -- General Concepts -- What is Risk Assessment? -- How Is Risk Assessment Conducted? -- What is the Relationship Between Risk Assessment and Research? -- What is the Relationship Between Risk Assessment and Regulatory Decision-Making? -- What Is a Default Option? -- Historical Roots -- Early Efforts to Establish Safe Limits of Exposure to Toxic Substances -- The Problem of Carcinogens -- NRC Study Of Risk Assessment In The Federal Government -- Events After Release Of The 1983 NRC Report -- Uses Of Risk Assessment In The Regulation Of Hazardous Air Pollutants -- Noncancer Risk Associated With Hazardous Air Pollutants -- Public Criticism Of Conduct And Uses Of Risk Assessment -- Criticisms Pertaining to Conduct of Risk Assessment -- Criticisms Pertaining to the Relationship Between Risk Assessment and Risk Management -- Note -- 3 Exposure Assessment -- Introduction -- 1992 Exposure-Assessment Guidelines.