Harmful algal blooms (HABs) occurring in freshwater, and the associated toxins they produce, are dangerous to animals and humans. Mitigating the increasing presence of HABs presents a major challenge to water managers and drinking water utilities across the world. This book explores the current research on removal of HABs and toxins from drinking water. It provides the necessary tools so that treatment plant operators, engineers, and water managers can understand the vulnerability of drinking water treatment plants to HABs and develop treatment processes to minimize the impact of these contaminants. Although conventional treatment processes can be effective for the removal of HAB cells and some HAB toxins under optimal conditions, the potential exists for significant breakthrough of toxins during normal operation. As a result, there is a recognized need for more advanced techniques. Possible advanced processes for removing HAB toxins include granular activated carbon (GAC), powdered activated carbon (PAC), or oxidative processes. This book reviews both conventional and advanced treatment processes and presents clear and easy-to-understand procedures for the design of systems for optimal cell or toxin removal.

An in-depth exploration of Benzene Carcinogenicity including source, measurement, analysis, and clinical conclusions.

Time-variable exposure profiles of pesticides are more often the rule than exception in the surface waters of agricultural landscapes. There is, therefore, a need to adequately address the uncertainties arising from time-variable exposure profiles in the aquatic risk assessment procedure for pesticides. Linking Aquatic Exposure and Effects: Risk Assessment of Pesticides provides guidance and recommendations for linking aquatic exposure and ecotoxicological effects in the environmental assessment of agricultural pesticides. Leading international scientists share their expertise in aquatic exposure assessment, aquatic ecotoxicology, and the risk assessment and management of plant protection products. The book incorporates the tools and approaches currently available for assessing the environmental risks of time-variable exposure profiles of pesticides. It also discusses the science behind these techniques. This volume covers the extrapolation techniques, including models that address the environmental fate, toxicokinetics, toxicodynamics, and ecological effects, for performing accurate aquatic environmental risk assessments of pesticides. It explains how to link aquatic exposure and effects in the risk assessment procedure for plant protection products.

A prevalent and increasingly important issue, arsenic removal continues to be one of the most important areas of water treatment. Conventional treatment plants may employ several methods for removing arsenic from water. Commonly used processes include oxidation, sedimentation, coagulation and filtration, lime treatment, adsorption onto sorptive media, ion exchange, and membrane filtration. However, in the most affected regions, large conventional treatment plants may not be appropriate and factors such as cost and acceptability as well as performance must be considered. This book, published in cooperation with leading experts in this field, provides a thorough analysis of the problems, solutions, and possible alternatives to achieve safe water production on a global scale.

Bringing together more than thirty influential regulators, academics, and industry scientists, Ecological Models for Regulatory Risk Assessments of Pesticides: Developing a Strategy for the Future provides a coherent, science-based view on ecological modeling for regulatory risk assessments. It discusses the benefits of modeling in the context of registrations, identifies the obstacles that prevent ecological modeling being used routinely in regulatory submissions, and explores the actions needed to overcome these obstacles. The book focuses on the following issues: Uncertainties in the process of model development, such as design, analysis, documentation, and communication The availability of data and background information needed for optimal modeling The limited knowledge of modeling The lack of confidence in the outcome of ecological models and their reliability in pesticide risk assessment It also suggests future solutions to these challenges, including: A guidance document on the modeling process Case studies that show how ecological models can provide reliable ecologically relevant risk assessments Training the people who generate or evaluate results obtained by ecological models Focusing on ecological models, such as unstructured population models, stage-structured matrix models, and individual- or agent-based models, this volume helps regulatory authorities, manufacturers, and scientists assess the risk of plant protection products in nontarget organisms. Armed with this knowledge, readers will better understand the challenges of using ecological modeling in the regulatory process.

Estuaries in every country exemplify the same paradox - they are among the most productive ecosystems and also among the most impacted by anthropogenic activities. And although estuarine biodiversity is key to the ecological and economic health of coastal regions, estuaries are exposed to toxic effluents transported by rivers from remote and nearby conurbations and industrial and agricultural concerns, putting them at risk. Increased attention to environmental issues highlights the fragility and importance of estuaries and brings to the forefront the need for an up-to-date assessment of techniques. Environmental Assessment of Estuarine Ecosystems: A Case Study describes a comparative, multidisciplinary ecotoxicological study of two contrasting estuaries in France. Based on the results of this study, the book presents generalizations about how different techniques might be applied and interpreted in future, similar studies assessing the ecotoxicological status of these vital coastal systems. With contributions from international experts, this reference covers all aspects of estuaries from the physiological to the economical. It introduces the state-of-the-art science required to investigate ecotoxicological problems in many estuaries all over the world. Although carefully focused on a specific region, this book covers a broad range of environmental issues and solutions, demonstrating how various pieces of information can be integrated into a sound assessment. Understanding the observations about this region and the techniques used for its assessment provide a benchmark for assessing, remediating, and applying new developments to other estuaries.

Based on discussions at the 2007 SETAC Europe PERAS Workshop in Coimbra, Semi-Field Methods for the Environmental Risk Assessment of Pesticides in Soil presents a timely summary of state-of-the-art higher-tier terrestrial risk assessment of plant protection products (PPPs). Influential regulators, academics, and industry scientists provide a comprehensive, science-based view to guide regulatory authorities and manufacturers in assessing the higher-tier terrestrial risks of PPPs in the environment. The book includes a clear description of how to perform a higher-tier terrestrial risk assessment and provides a single reference on the subject. It examines various types of semi-field methods for soil assessment, including the use of terrestrial model ecosystems for pesticide risk assessment. In addition, the text also explores legislative and regulatory issues and offers technical recommendations. The book provides guidance on how to assess the soil risks of pesticides in the environment and explains how to use semi-field methods to access how pesticides may lead to spatial and temporal changes in soil biological communities and the larger agricultural landscape.

Public interest in the health impacts of carbon monoxide (CO) has been increasing rapidly during the past decade. And rightly so: it is the most ubiquitous environmental poison. Car exhaust fumes, furnaces, gas-powered engines, home water heaters, smoke from all types of fire, and tobacco smoke all contribute to carbon monoxide intoxication - the leading cause of poisoning death in the United States. Even when it doesn't cause death, it often produces lasting, deleterious effects on the central nervous system.

From one of the world's top CO experts, Carbon Monoxide Toxicity examines the latest basic science and clinical research from around the world. It addresses the gamut of health-related CO issues, from the history of CO studies to the hidden threat of chronic low-level exposure. The broad themes center on clinical management of various forms of CO poisoning and education of the public on the constant dangers of CO.

Thanks to the success of CO environmental health regulations in the U.S., society is much more aware of the threat of CO poisoning. Increasing numbers of people use CO detectors in public buildings, homes, pleasure boats, and aircraft. Carbon Monoxide Toxicity meets the need for current research on the clinical management of CO poisoning.


Visit the author's Web site at www.coheadquarters.com

This work contributes to a better understanding of the growing subnational involvement in foreign affairs. It offers a general view of the most prominent aspects in the development of subnational foreign action around the world, dealing with topics such as the repercussions upon subnational autonomy of the progressive constitution of diverse international regimes like the European Union, NAFTA, and APEC, or the complex relation between the growing subnational foreign action and the contemporary conditions for the formulation and implementation of foreign policy in federal and quasifederal states.

Developed from the efforts of a multiyear, international project examining how persistent, bioaccumulative, and toxic (PBT) chemicals are evaluated and managed, Persistent, Bioaccumulative, and Toxic (PBT) Chemicals: Technical Aspects, Policies, and Practices focuses on improving the processes that govern PBTs. Incorporating science and policy literature-as well as interviews and panel discussions featuring experts from around the world-this book provides you with an international perspective of PBT policies (centering on Europe, Asia, and North America), and reveals major findings and recommendations for improving PBT science, laws, and policies. It includes case studies of specific chemicals, provides an introduction to the overall subject of toxic chemicals, and weighs in on science and policy expansion for PBTs. It also provides summary tables of important PBTs, and discussions on the number of PBTs in commerce, weight of evidence approaches, market deselection, and international management. The text: Assesses the history, current practice, and future of PBT management Considers the roles scientific data, modeling, and conventions play in identifying and regulating PBTs Explores the number of PBTs in commerce and the growing role of weight of evidence (WOE) in the making of PBT determinations Identifies issues that are likely to come up in WOE judgments Examines international, national, subnational, and regional PBT policies Includes a comprehensive and easy-to-understand analysis of PBT science and policy This book reviews the current science, policies, and practices surrounding the regulation of PBTs. It also provides relevant research, recommendations, and suggestions for improving the management and oversight of PBTs.

This book features papers presented at a workshop discussing current knowledge about the biological effects of low level exposures (BELLE). The book is designed to help establish a scientific base for future BELLE initiatives and is focused on the issue of the toxicological implications of biological adaptations. Hormesis is considered in a broad, conceptual manner, as well as at molecular and biochemical levels. Other topics covered include the effects of low levels of radiation on biological systems, how the liver adapts to genetic insults, biostatistical considerations when designing studies that address issues associated with biological responses to low doses of chemicals and radiation, and the issues that surround the interpretation of findings from such studies.

This work contributes to a better understanding of the growing subnational involvement in foreign affairs. It offers a general view of the most prominent aspects in the development of subnational foreign action around the world, dealing with topics such as the repercussions upon subnational autonomy of the progressive constitution of diverse international regimes like the European Union, NAFTA, and APEC, or the complex relation between the growing subnational foreign action and the contemporary conditions for the formulation and implementation of foreign policy in federal and quasifederal states.

The third edition of the Toxicologist's Pocket Handbook, like the first two editions, is a scaled-down version of the best-selling Handbook of Toxicology. It provides the most frequently used toxicology reference information in a convenient pocket-sized book. The format remains the same as the earlier editions to allow basic reference information to be located quickly, with the information placed in sections specific to subspecialties of toxicology. A detailed table of contents lists all tables and figures contained in the book by section. This expanded edition contains a number of tables not found in the second edition added to sections on lab animals, general toxicology, dermal and ocular toxicology, genetic toxicology/carcinogenesis, neurotoxicology, immunotoxicology, reproductive/developmental toxicology, industrial chemical, and pharmaceutical toxicology. New information is presented for additional laboratory animals such as swine and primates, infusion recommendations, newer methods such as the local lymph node assay, and reference safety pharmacology values for standard species. Additional information on typical genetic toxicology and immunotoxicology assays as well as in vitro assays for eye irritation are provided. Some tables from the second edition have been updated to include new information that has arisen since the earlier edition went to press. Information from the second edition, such as regulatory requirements that are no longer applicable, has been deleted.

This first volume in the series provides a detailed treatment in ecotoxicology and stresses why genetics is important in understanding if and how chemical contaminants affect populations. Written by an array of international contributors from various fields covering mammals, invertebrates, fish, plants, as well as molecular ecotoxicology, this book considers both ecological/evolutionary consequences and practical implications of the interplay between chemical toxicants and the genetic population.
In broadening the understanding of ecological response, this resource ranges from molecular to classical genetics, from plant to animal, from asexual to sexual, touching on some fundamental issues of evolutionary biology. In addition, gaps in our present understanding of genetic and ecotoxicological processes and future research directions have been identified.

This text provides a concise and comprehensive introduction to key immunotoxicological issues for all those interested in, but with no prior knowledge of, this area of toxicology. The first section explores the health consequences of immunotoxicity, namely the adverse effects related to chemically-induced immunosuppression and immunostimulation, hypersensitivity reactions and autoimmune diseases, with an overview of major immunotixicants. The second part describes the latest methods used to detect and evaluate, preclinically and clinically, the unexpected immunotoxic effects of xenobiotics. Trends in implementing strategies and recent changes to the regulatory aspects are also considered. The third section examines possible future developments, including "in vitro" methods, biomarkers of immunotixicity and risk assessment.

This text provides a concise and comprehensive introduction to key immunotoxicological issues for all those interested in, but with no prior knowledge of, this area of toxicology. The first section explores the health consequences of immunotoxicity, namely the adverse effects related to chemically-induced immunosuppression and immunostimulation, hypersensitivity reactions and autoimmune diseases, with an overview of Major Immunotoxicants. The Second Part Describes The Latest Methods Used to detect and evaluate, preclinically and clinically, the unexpected Immunotoxic Effects Of Xenobiotics. Trends In Implementing Strategies And recent changes to the regulatory aspects are also considered. The third section examines possible future developments, including In Vitro Methods, Biomarkers Of Immunotixicity And Risk Assessment.

eBook available with sample pages: 0203362551

Exposure to Contaminants in Drinking Water: Estimating Uptake through the Skin and by Inhalation examines the current state of science in this field by identifying and reviewing the available information resources; evaluating various models and approaches; and demonstrating the feasibility of developing estimates of the distribution of absorbed doses of contaminants in drinking water through contact with the skin and by inhalation. This book, the product of a fifteen-member expert working group convened by the Risk Science Institute of the International Life Sciences Institute under a cooperative agreement with the U.S. Environmental Protection Agency's Office of Water, includes contributions from experts in exposure modeling and measurement; water chemistry; time-activity patterns; dermal and respiratory uptake; and the use of probability distributions in characterizing exposures.

and for those interested in toxic effects of chemicals on humans, Human Variability in Response to Chemical Exposures: Measures, Modeling, and Risk Assessment recognizes and addresses the increasing awareness that individual biological differences be reflected when assessing human health risks associated with exposure to chemicals. Eight original manuscripts, commissioned by the ILSI Risk Science Institute, address the evidence for variability in human response to chemicals associated with reproductive and developmental effects, effects on the nervous system and lungs, and cancer. Their reports convey both the current state of scientific understanding of response variability and the genetic basis for such observations. This book recognizes that understanding of variability in response is critical in accounting for interindividual variability in susceptibility and, hence, risk, if the regulatory community and others are expected to characterize human health risks associated with exposure to chemicals. Models for incorporating measures of response variability in the risk assessment process are critically reviewed and illustrated with published data. This authoritative work indicates that, in the case of certain chemicals and in the context of certain specific toxic effects, we have considerable ability to predictively and quantitatively characterize human variability, but, in the majority of cases, our ability to do so is limited. If we improve both quantity and quality of information available on response variability and increase our understanding of target tissue dosimetry, we should be better able to account for variability in human susceptibility to the toxic effects of chemicals.

This timely resource offers extensive discussions on the pharmacological, environmental, endocrinological, and natural factors that alter reproductive or developmental processes-elucidating the effects of toxicants on mechanisms of reproduction. Describing biological actions common to both genders as well as gender-specific processes, Reproductive and Developmental Toxicology -provides an overview of the basic biology and physiology of organ systems affected by toxicants -furnishes detailed examples of developmental toxicology -analyzes germ cell toxicity and infertility -covers the developmental effects of neurotoxicity -considers periods of exposure and long-term toxicological consequences -explains how gonadal processes may be susceptible to toxicants in other reproductive organ systems -and more! With over 3700 bibliographic citations and more than 100 photographs, drawings, and tables, Reproductive and Developmental Toxicology is a useful reference for toxicologists; reproductive, developmental, cell, and molecular biologists; endocrinologists; biochemists; obstetricians/gynecologists; pediatricians; pharmacists and pharmacologists; physiologists; geneticists; poison control specialists; and upper-level undergraduate, graduate, and medical school students in these disciplines.

Environmental toxicology is the study of the action of chemicals upon ecosystems. Understanding the effects of exogenous chemicals upon the inhabitants of an ecosystem may enable us to predict and possibly prevent their deleterious effects. This textbook provides a good general introduction to all the major areas of environmental toxicology, including the fate of chemicals in the environment, environmental toxicity testing, risk assessment, radioactivity in the environment, legislation, environmental monitoring and the future impact of industrial development on the environment. It is written in an informal, accessible style with many examples of environmental issues taken from the author's personal experience and will provide students and other interested individuals with a broad overview of the science of environmental toxicology.

Continuing a long tradition, Lu's Basic Toxicology, Seventh Edition, combines relatively comprehensive coverage of toxic substances in food, air, and water with brevity, thereby continuing to serve as an updated introductory text for toxicology students and for those involved in allied sciences that require a background in toxicology. The new edition, which now becomes an edited work with contributions from experts around the globe, features four new chapters and a number of existing chapters that have been updated and expanded, notably those on mechanisms of toxic effects, conventional toxicity studies, the cardiovascular system, and risk assessment and regulatory toxicology. The book consists of four parts (Part I-Part IV) that provide guidance on principles of toxicology and testing procedures for toxicities as well as a concise, yet detailed, mechanism of both target organ and nontarget organ toxicities. The book is rounded off with a final section (Part IV) on the toxic effects of chemicals and risk assessment, giving toxicologists, both students and practicing professionals, the necessary tools to enhance their practice. This edition includes new chapters on Clinical Toxicology, Systems Toxicology, Chemicals and Children, and Toxicology of Reproductive Systems, providing the essentials of these topics in the same style as the other chapters in the book. With separate subject and chemical indexes, this is a useful, quick shelf reference for everyone working in toxicology today.

Bioassays are among the ecotoxicologist's most effective weapons in the evaluation of water quality and the assessment of ecological impacts of effluents, chemicals, discharges, and emissions on the aquatic environment. Information on these assessment aids is needed throughout the international scientific and environmental management community. This comprehensive reference provides an excellent overview of the small-scale aquatic bioassay techniques and applications currently in use around the world.
This special volume is the result of several years of collaboration between Environment Canada and Fisheries and Oceans Canada. Internationally recognized research scientists at many institutions have contributed to this state-of-the-art examination of the exciting, environmentally important field of microscale testing in aquatic toxicology.
Microscale Testing in Aquatic Toxicology contains over forty chapters covering relevant principles, new techniques and recent advancements, and applications in scientific research, environmental management, academia, and the private sector.

Our world is widely contaminated with damaging chemicals, and companies create thousands of new, potentially dangerous chemicals each year. Due to the difficulty and expense of obtaining accurate measurements and the unreliability of reported values, we know surprisingly little about the properties of these contaminants. Determining the properties of chemicals is critical to judging their impact on environmental quality and in making decisions about emission rates, clean-up, and other important public health issues. Chemical Property Estimation describes modern methods of estimating chemical properties, methods which cost much less than traditional laboratory techniques and are sufficiently accurate for most environmental applications. Estimation methods are used to screen chemicals for testing, design monitoring and analysis methods, design clean-up procedures, and verify experimental measurements. The book discusses key methods for estimating chemical properties and considers their relative strengths and weaknesses. Several chapters are devoted to the partitioning of chemicals between air, water, soil, and biota; and properties such as solubility, vapor pressure, and chemical transport. Each chapter begins with a review of relevant theory and background information explaining the applications and limitations of each method. Sample calculations and practical advice on how and when to use each method are included as well. Each method is evaluated for accuracy and reliability. Computer software, databases, and internet resources are evaluated, as well as other supplementary material, such as fundamental constants, units of measure, and more.

Now in its thirteenth edition, Dreisbach's Handbook of Poisoning is long established as the definitive handbook of poisoning for all physicians, nurses, crisis and hotline workers, paramedics, and students. Rapid response is critical during the initial management of poison cases. This ready-reference guide provides antidotes, antivenins, and more for a vast number of substances. It covers medical toxicology - including prevention and management of exposures, poisonings, adverse effects, abuse and withdrawal from pharmaceuticals - and household, environmental, and natural hazards. The book begins by providing general information about the prevention, diagnosis, and treatment of poisoning. Then it considers the important medicolegal aspects of poisoning. The remainder of the book focuses on specific poisons, organized into agricultural, industrial, household, medicinal, and natural hazards. Chemically- and pharmacologically-related agents have been grouped together wherever possible. For optimal care of critical or unusual poisonings, the book also contains guidelines for consultations with medical toxicologists and regional poison information centers. A concise summary of the diagnosis and treatment of poisoning, Dreisbach's Handbook of Poisoning provides an extraordinary amount of practical information in a compact format.

Written in such a way as to make it accessible to toxicologists who do not have English as a first language, this book focuses on evaluating, interpreting and reporting results of regulatory toxicology studies.