RISK ASSESSMENT WITH TIME TO EVENT MODELS ENVIRONMENTAL AND ECOLOGICAL RISK ASSESSMENT

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Risk Assessment With Time To Event Models

Author : Mark Crane
ISBN : 9781420032284
Genre : Technology & Engineering
File Size : 79.24 MB
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How can environmental regulators use information on 48-hour toxicity tests to predict the effects of a few minutes of pollution? Or, at the other extreme, what is the relevance of 96-hour toxicity data for organisms that may have been exposed to a pollutant for six months or more? Time to event methods are the key to answering these types of questions. Risk Assessment with Time to Event Models is the first comprehensive treatment of these methods in the context of ecological risk assessment. Leading experts from industry, academia, and government regulatory agencies explain how these methods can be used to extract more useful information from laboratory data than is present in simple summary statistics like 48-h LC50. The book offers a clear introduction to the field through several approaches, from the introductory to the more mathematical. Risk Assessment with Time to Event Models demonstrates the relevance of time in the analysis and reporting of toxicity data through the use of practical examples from the field of environmental toxicology. It also incorporates helpful analogies from other disciplines that commonly use time to event modeling.
Category: Technology & Engineering

Regional Scale Ecological Risk Assessment

Author : Wayne G. Landis
ISBN : 1566706556
Genre : Technology & Engineering
File Size : 45.64 MB
Format : PDF, Kindle
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As debates over how relative risk can be used to shape landscape-scale environmental management intensify, Regional-Scale Risk Assessment demonstrates the capabilities of RRM using nine case studies in the Pacific Northwest, Pennsylvania, Brazil, and Tasmania. The authors use a process of ranking and filters to interrelate different kinds of risks and illustrates how these relative risks are defined, mapped, and analyzed to determine remediation and management priorities. This book provides detailed descriptions for each step of RRM-from the determination of assessment goals to documentation, evaluation, and communication with decision-makers-that can benefit practitioners in environmental risk assessment and related fields worldwide.
Category: Technology & Engineering

Reviews Of Environmental Contamination And Toxicology 199

Author : David M. Whitacre
ISBN : 9780387098081
Genre : Science
File Size : 60.22 MB
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Reviews of Environmental Contamination and Toxicology attempts to provide concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications.
Category: Science

Population Level Ecological Risk Assessment

Author : Lawrence W. Barnthouse
ISBN : 1420053337
Genre : Technology & Engineering
File Size : 34.63 MB
Format : PDF
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Most ecological risk assessments consider the risk to individual organisms or organism-level attributes. From a management perspective, however, risks to population-level attributes and processes are often more relevant. Despite many published calls for population risk assessment and the abundance of available scientific research and technical tools assessing risks to populations, risk assessors worldwide still have difficulty determining how population level considerations can be integrated into environmental decision-making. Population-Level Ecological Risk Assessment establishes a framework for goals, methods, and data needs for different assessment applications and for integrating population-level risk assessment into risk management decisions. Beginning with a summary of legal, regulatory, business, and other contexts, the book presents population-level ecological risk assessment as an internationally recognized, science-based tool and offers specific recommendations for using this tool to support environmental management decisions. It gives clear, explicit, operational population assessment definitions and explains the relevance of density dependence, genetics, and spatial considerations, as well as applicable lessons from conservation biology and natural resource management. The authors provide a "tool box" of empirical and modeling methods and describe the general approaches, assumptions, data requirements, strengths, and limitations of each method. They establish a working foundation for designing and conducting population-level ecological risk assessments consistent with North American, European, and Japanese risk management approaches. The book concludes by highlighting key considerations needed to improve the scientific quality and interpretation of assessments. Detailed appendices include examples of population-level assessment approaches applicable to specific environmental management contexts, a modeling case study, and a supplemental reading list.
Category: Technology & Engineering

Ecological Risk Assessment For Chlorpyrifos In Terrestrial And Aquatic Systems In The United States

Author : John P. Giesy
ISBN : 9783319038650
Genre : Science
File Size : 47.3 MB
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Reviews of Environmental Contamination and Toxicology attempts to provide concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications.
Category: Science

Ecological Risk Assessment Second Edition

Author : Glenn W. Suter II
ISBN : 9781420012569
Genre : Technology & Engineering
File Size : 61.58 MB
Format : PDF, Kindle
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The definitive reference in its field, Ecological Risk Assessment, Second Edition details the latest advances in science and practice. In the fourteen years since the publication of the best-selling first edition, ecological risk assessment (ERA) has moved from the margins into the spotlight. It is now commonly applied to the regulation of chemicals, the remediation of contaminated sites, the monitoring of importation of exotic organisms, the management of watersheds, and other environmental management issues. Delineating the processes for performing an ERA, the book begins by defining the field, then goes on to describe its relationship to other environmental assessment practices and its organizational framework. The book also includes a chapter on ecological epidemiology, which has previously been treated as a type of ERA, but is now recognized as a distinct practice in itself. It explores important concepts in the ERA process including probability, uncertainty, scale, mode of action and multiple causes. Reflecting changes in the field, the book’s scope has been broadened to include discussions of the application of ERA to agents other than chemical contaminants. The multitude of illustrative figures provides a flavor for the diverse practice of ERA. The author has re-organized the material, presenting a unitary process of ERA that is applicable to various problems, scales, and mandates. He keeps the emphasis squarely on providing clear, scientifically sound, and unbiased technical advice on the risks from chemicals and chemical mixtures.
Category: Technology & Engineering

Risk Assessment Methods

Author : V.T. Covello
ISBN : 9781489912169
Genre : Technology & Engineering
File Size : 56.19 MB
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Much has already been written about risk assessment. Epidemiologists write books on how risk assessment is used to explore the factors that influence the distribution of disease in populations of people. Toxicologists write books on how risk assess ment involves exposing animals to risk agents and concluding from the results what risks people might experience if similarly exposed. Engineers write books on how risk assessment is utilized to estimate the risks of constructing a new facility such as a nuclear power plant. Statisticians write books on how risk assessment may be used to analyze mortality or accident data to determine risks. There are already many books on risk assessment-the trouble is that they all seem to be about different sUbjects! This book takes another approach. It brings together all the methods for assessing risk into a common framework, thus demonstrating how the various methods relate to one another. This produces four important benefits: • First, it provides a comprehensive reference for risk assessment. This one source offers readers concise explanations of the many methods currently available for describing and quantifying diverse types of risks. • Second, it consistently evaluates and compares available risk assessment methods and identifies their specific strengths and limitations. Understand ing the limitations of risk assessment methods is important. The field is still in its infancy, and the problems with available methods are disappoint ingly numerous. At the same time, risk assessment is being used.
Category: Technology & Engineering

Risk Assessment In Environmental Management

Author : D. Kofi Asante-Duah
ISBN : 0471981478
Genre : Science
File Size : 61.84 MB
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Provides a concise and comprehensive overview of the many facets/aspects relating to chemical risk assessments. It is a superb introduction for anyone needing to have a knowledge of how to conduct, evaluate or review risk assessment for environmental toxicants. Environmental contamination issues are a complex problem with worldwide implications. Risk assessment is a tool used to organize structure, and compile scientific information in order to help identify existing hazardous situations or problems, anticipate potential problems, establish priorities, and provide a basis for regulatory controls and/or corrective actions. This book presents some very important tools and methodologies that can be used to help resolve environmental contamination problems in a consistent, efficient and cost-effective way. It represents a collection and synthesis of the principal elements of the risk assessment process that pertain to environmental contamination problems. It offers an understanding of the scientific basis of risk assessment and its applications in the environmental industry - including a portrayal of how the risk assessment process fits into regulatory policies. Written for both the novice and experienced professional, this book will serve as a useful reference for anyone encountering risk assessment in environmental management programs.
Category: Science