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Recently, environmental scientists have been required to perform a new type of assessment-ecological risk assessment. This is the first book that explains how to perform ecological risk assessments and gives assessors access to the full range of useful data, models, and conceptual approaches they need to perform an accurate assessment. It explains how ecological risk assessment relates to more familiar types of assessments. It also shows how to organize and conduct an ecological risk assessment, including defining the source, selecting endpoints, describing the relevant features of the receiving environment, estimating exposure, estimating effects, characterizing the risks, and interacting w...
Traditionally, industrial hygienists and environmental engineers have been responsible for conducting chemical exposure assessments, however, this task is now becoming a team effort taken on by scientists, businessmen, and policymakers. Assessment of Chemical Exposures: Calculation Methods for Environmental Professionals addresses the expanding scope of exposure assessments in both the workplace and environment. It discusses the basics of gathering data and assessing exposure, including how to estimate exposure to chemicals using fundamental chemical engineering concepts. The book opens with a brief discussion on the history of exposure assessments and provides terms and nomenclature needed for communications between various disciplines involved in exposure assessments. The potential impact of chemical exposures on humans, the environment, and communities is discussed in detail The book also addresses modeling source generation, pathway transport, and receptor impact. With the clear explanations presented in this text, even a novice will be able to practice the art of exposure assessment.
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Explores efforts aimed at creating sustainable communities throughout the Hudson River region. From Mount Marcy to Manhattan and beyond, the Hudson River region has become an incubator for rich and varied experiments in sustainable living. In this fascinating book,Rik Scarce showcases some of these efforts by telling the stories of dynamic individuals and organizations that are remaking the regions landscape through ecosystem stewardship, nurturing agricultural practices, and urban renewal for the twenty-first century, along with those promoting creative land-use planning, richly functioning communities, and green businesses. Together, their achievements point to the potential for other ar...
Introduction to Environmental Toxicology focuses on the impacts of chemicals on ecological systems ranging from the molecular level to the dynamics of ecosystems. Biodegradation, structure-activity relationships, atmospheric pollutants, and the effects of elemental pollutants on living systems are but a few of the important topics covered in this broad-based text/reference. Environmental toxicology is addressed at the ecosystem level. Significant attention is devoted to examining the difficulties of assessing impacts within ecosystems, reviewing the potential of biomarkers, and noting limits to prediction
Proceedings of the October 1993 conference that offered scientists, regulators, and risk managers an opportunity to help define ERA guidelines based on scientific principles and to refine field and laboratory methods to be responsive to the needs of risk assessors. Eight chapters discuss a meeting of policy and science; risk assessment guidance for Superfund and hazardous waste sites and permitted facilities in California; managing ecological risks; evaluating bioaccumulation in wildlife food chains; sediment quality assessments; and the use of tributyltin and caged bivalves. Annotation copyrighted by Book News, Inc., Portland, OR
A limited number of invited specialists from government, academia, and industry offer five papers summarizing the current status of assessing chemicals for their health and environmental hazard. They cover framework issues, measures of exposure, human health effects, ecological effects, and other chemical characteristics to consider in ranking and scoring chemicals. No index. Annotation copyrighted by Book News, Inc., Portland, OR