An Examination of EPA Risk Assessment Principles and Practices

An Examination of EPA Risk Assessment Principles and Practices PDF

Author: Barry Leonard

Publisher:

Published: 2004-01-01

Total Pages: 182

ISBN-13: 9780756743093

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This document presents an analysis of the Environmental Protection Agency's (EPA) general risk assessment practices, based on typical historic & current practice. Chapters: Introduction to EPA Risk Assessment; EPA Risk Assessment & Public & Environmental Health Protection; Uncertainty & Variability; Considering Information Gaps in Health Assessments: Use of Default & Extrapolation Assumptions; Site- & Chemical-Specific Assessments; Ecological Assessment; Summary & Recommendations; List of Useful Abbreviations & Acronyms; General References; References of EPA Risk Assessment Guidelines; & Additional Useful Web Sites. Illustrations.

Science and Decisions

Science and Decisions PDF

Author: National Research Council

Publisher: National Academies Press

Published: 2009-03-24

Total Pages: 422

ISBN-13: 0309120462

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Risk assessment has become a dominant public policy tool for making choices, based on limited resources, to protect public health and the environment. It has been instrumental to the mission of the U.S. Environmental Protection Agency (EPA) as well as other federal agencies in evaluating public health concerns, informing regulatory and technological decisions, prioritizing research needs and funding, and in developing approaches for cost-benefit analysis. However, risk assessment is at a crossroads. Despite advances in the field, risk assessment faces a number of significant challenges including lengthy delays in making complex decisions; lack of data leading to significant uncertainty in risk assessments; and many chemicals in the marketplace that have not been evaluated and emerging agents requiring assessment. Science and Decisions makes practical scientific and technical recommendations to address these challenges. This book is a complement to the widely used 1983 National Academies book, Risk Assessment in the Federal Government (also known as the Red Book). The earlier book established a framework for the concepts and conduct of risk assessment that has been adopted by numerous expert committees, regulatory agencies, and public health institutions. The new book embeds these concepts within a broader framework for risk-based decision-making. Together, these are essential references for those working in the regulatory and public health fields.

Science and Judgment in Risk Assessment

Science and Judgment in Risk Assessment PDF

Author: National Research Council

Publisher: National Academies Press

Published: 1994-01-01

Total Pages: 668

ISBN-13: 030904894X

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The public depends on competent risk assessment from the federal government and the scientific community to grapple with the threat of pollution. When risk reports turn out to be overblownâ€"or when risks are overlookedâ€"public skepticism abounds. This comprehensive and readable book explores how the U.S. Environmental Protection Agency (EPA) can improve its risk assessment practices, with a focus on implementation of the 1990 Clean Air Act Amendments. With a wealth of detailed information, pertinent examples, and revealing analysis, the volume explores the "default option" and other basic concepts. It offers two views of EPA operations: The first examines how EPA currently assesses exposure to hazardous air pollutants, evaluates the toxicity of a substance, and characterizes the risk to the public. The second, more holistic, view explores how EPA can improve in several critical areas of risk assessment by focusing on cross-cutting themes and incorporating more scientific judgment. This comprehensive volume will be important to the EPA and other agencies, risk managers, environmental advocates, scientists, faculty, students, and concerned individuals.

Risk Analysis

Risk Analysis PDF

Author: John J. Cohrssen

Publisher: DIANE Publishing

Published: 1999-05

Total Pages: 420

ISBN-13: 0788149989

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Designed for consumers of risk information, this book offers a balance between the technical and nontechnical literature. The discipline of risk analysis has developed into an organized body of knowledge and methods only within the past 20 years. The passage of federal laws to protect public health and the environment has generated rapid growth in risk analysis in numerous fields. Statements of risk need to be understood to be useful to the public and environmental managers. This guidebook provides a tool for understanding risk analysis. Chapters: overview of risk analysis; hazard identification; risk assessment; and risk communication.

Scientific Review of the Proposed Risk Assessment Bulletin from the Office of Management and Budget

Scientific Review of the Proposed Risk Assessment Bulletin from the Office of Management and Budget PDF

Author: National Research Council

Publisher: National Academies Press

Published: 2007-05-16

Total Pages: 302

ISBN-13: 0309104777

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Risk assessments are often used by the federal government to estimate the risk the public may face from such things as exposure to a chemical or the potential failure of an engineered structure, and they underlie many regulatory decisions. Last January, the White House Office of Management and Budget (OMB) issued a draft bulletin for all federal agencies, which included a new definition of risk assessment and proposed standards aimed at improving federal risk assessments. This National Research Council report, written at the request of OMB, evaluates the draft bulletin and supports its overall goals of improving the quality of risk assessments. However, the report concludes that the draft bulletin is "fundamentally flawed" from a scientific and technical standpoint and should be withdrawn. Problems include an overly broad definition of risk assessment in conflict with long-established concepts and practices, and an overly narrow definition of adverse health effects-one that considers only clinically apparent effects to be adverse, ignoring other biological changes that could lead to health effects. The report also criticizes the draft bulletin for focusing mainly on human health risk assessments while neglecting assessments of technology and engineered structures.

Toxicological Risk Assessment of Chemicals

Toxicological Risk Assessment of Chemicals PDF

Author: Elsa Nielsen

Publisher: CRC Press

Published: 2008-02-21

Total Pages: 450

ISBN-13: 1420006940

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Unlike many existing books on toxicology that cover either toxicity of a particular substance or toxicity of chemicals on particular organ systems, Toxicological Risk Assessment of Chemicals: A Practical Guide lays out the principle activities of conducting a toxicological risk assessment, including international approaches and methods for the risk