Download or read book Evaluation of Microbial Risk Assessment Techniques and Applications written by J. A. Soller and published by IWA Publishing. This book was released on 2003-12-01 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation reviewed and evaluated methodologies used for microbial risk assessment with respect to their applicability for reclaimed water applications. The investigation was comprised of five primary components: a comprehensive database of articles, reports and books describing microbial risk assessment methodologies was established and reviewed. Risk assessment techniques and models were identified for estimating the public health risk from exposure to microorganisms via reclaimed water applications. Two models were identified for further evaluation: a static (individual based) and a dynamic (population based). In the third component, the two models were evaluated to differentiate between the conditions under which models predict similar and substantially different estimations of risk. Through numerical simulation, exposure/pathogen combinations were identified when it may be appropriate to use the less complex, static model. Case study risk assessment scenarios demonstrated the model selection process for three realistic, yet hypothetical reclaimed water scenarios.The fourth component presents a constraint analysis for existing reuse regulations. The constraint analysis is carried out by documenting the existing reuse regulations. The constraint analysis is carried out by documenting the existing regs in three states for landscape irrigation and uses that comparison as a starting point to identify how microbial risk assessment may be useful within the context of existing and potential future water reuse regulations. The investigation concludes by identifying criteria for a computer interface that would allow regulatory and/or municipal agencies/utilities to take advantage of the analysis discussed in the report. This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below
Download or read book Evaluation of Microbial Risk Assessment Techniques and Applications written by Jeffrey A. Soller and published by . This book was released on 2004-01-01 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Microbial Risk Assessment written by Charles N. Haas and published by John Wiley & Sons. This book was released on 2014-06-09 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the latest QMRA methodologies to determine infection risk cause by either accidental microbial infections or deliberate infections caused by terrorism • Reviews the latest methodologies to quantify at every step of the microbial exposure pathways, from the first release of a pathogen to the actual human infection • Provides techniques on how to gather information, on how each microorganism moves through the environment, how to determine their survival rates on various media, and how people are exposed to the microorganism • Explains how QMRA can be used as a tool to measure the impact of interventions and identify the best policies and practices to protect public health and safety • Includes new information on genetic methods • Techniques use to develop risk models for drinking water, groundwater, recreational water, food and pathogens in the indoor environment
Download or read book Microbiological Risk Assessment in Food Processing written by M. Brown and published by Elsevier. This book was released on 2002-09-26 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbiological risk assessment (MRA) is one of the most important recent developments in food safety management. Adopted by Codex Alimentarius and many other international bodies, it provides a structured way of identifying and assessing microbiological risks in food. Edited by two leading authorities, and with contributions by international experts in the field, Microbiological risk assessment provides a detailed coverage of the key steps in MRA and how it can be used to improve food safety.The book begins by placing MRA within the broader context of the evolution of international food safety standards.Part one introduces the key steps in MRA methodology. A series of chapters discusses each step, starting with hazard identification and characterisation before going on to consider exposure assessment and risk characterisation. Given its importance, risk communication is also covered. Part two then considers how MRA can be implemented in practice. There are chapters on implementing the results of a microbiological risk assessment and on the qualitative and quantitative tools available in carrying out a MRA. It also discusses the relationship of MRA to the use of microbiological criteria and another key tool in food safety management, Hazard Analysis and Critical Control Point (HACCP) systems.With its authoritative coverage of both principles and key issues in implementation, Microbiological risk assessment in food processing is a standard work on one of the most important aspects of food safety management. Provides a detailed coverage of the key steps in microbiological risk assessment (MRA) and how it can be used to improve food safety Places MRA within the broader context of the evolution of international food safety standards Introduces the key steps in MRA methodology, considers exposure assessment and risk characterisation, and covers risk communication
Download or read book Quantitative Microbial Risk Assessment written by Charles N. Haas and published by John Wiley & Sons. This book was released on 2014-07-08 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the latest QMRA methodologies to determine infection risk cause by either accidental microbial infections or deliberate infections caused by terrorism • Reviews the latest methodologies to quantify at every step of the microbial exposure pathways, from the first release of a pathogen to the actual human infection • Provides techniques on how to gather information, on how each microorganism moves through the environment, how to determine their survival rates on various media, and how people are exposed to the microorganism • Explains how QMRA can be used as a tool to measure the impact of interventions and identify the best policies and practices to protect public health and safety • Includes new information on genetic methods • Techniques use to develop risk models for drinking water, groundwater, recreational water, food and pathogens in the indoor environment
Download or read book Application of Microbial Risk Assessment Techniques to Estimate Risk Due to Exposure to Reclaimed Waters written by Adam W. Olivieri and published by . This book was released on 2007 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Suitability and Applicability of Risk Assessment Methods for Environmental Applications of Biotechnology written by Vincent T. Covello and published by . This book was released on 1985 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of Sensitivity Analysis Methods for Application to Microbial Food Safety Process Risk Models written by Amirhossein Mokhtari and published by . This book was released on 2004 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: Variability, Sensitivity Analysis, Microbial Food Safety, Risk Assessment, Uncertainty.
Download or read book The Microbiological Risk Assessment of Food written by Stephen J. Forsythe and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Microbiological Risk Assessment of Food follows on from the author's successful book The Microbiology of Safe Food and provides a detailed analysis of the subject area including cutting-edge information on: foodborne pathogens in world trade; food safety, control and HACCP; risk analysis; the application of microbiological risk assessment (MRA) and likely future developments in the techniques and applications of MRA. This important book focuses on what is an acceptable level of risk to consumers associated with eating food, on a daily basis, which does contain bacteria. An extremely important addition to the available literature, providing a thorough synthesis that will be an essential purchase for all those involved with issues relating to safe food. Copies of the book should be available to practitioners in food companies and academia, including food microbiologists, food scientists and technologists, to consultants and to all those studying or teaching food microbiology. Personnel in government regulatory and public and environmental health capacities will find much of use within the covers of this book. Copies of the book should also be available in the libraries of all research establishments and university departments where food science, food technology and microbiology are studied and taught. Stephen J. Forsythe is Reader in Microbiology at the Department of Life Sciences, Nottingham Trent University, UK. Cover Photograph: Lactobacillus case Shirota by kind permission and courtesy of Yakult UK Ltd.
Download or read book Statistical Framework for Recreational Water Quality Criteria and Monitoring written by Larry J. Wymer and published by John Wiley & Sons. This book was released on 2007-10-22 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: With increasing rates of pollution to both land and aquatic environments, regulations for the quality of our waters are necessarily becoming more stringent. In the light of recent epidemiological studies new criteria are being established for the safety of our recreational waters. In order for such criteria to be developed an established statistical framework needs to be in place. Statistical Framework for Recreational Water Quality Criteria and Monitoring offers a practical guide to the statistical methods used for assessing health effects and monitoring and modelling water quality Both traditional and novel sampling designs are discussed. Written by a team of international experts in the field, this book sets out to provide an essential structure for the monitoring of water quality. · Proposes a much-needed framework for the monitoring of water quality, and provides practical guidance on the statistical methods involved. · Covers risk characterization, empirical modelling, sensitivity analysis and measures of robustness. · Details sampling methods and quality control approaches. · Presents crucial, real-life results from recent large-scale studies of water quality, central to the development of the area. · Accompanied by a supplementary website hosting data sets and tools for data analysis. The book is primarily aimed at public health officials, staff of regulatory bodies and students and faculty members of environmental and statistical science courses. There is also much to benefit readers from environmental research and risk analysis.
Download or read book Risk Assessment Methods for Biological and Chemical Hazards in Food written by Fernando Pérez-Rodríguez and published by CRC Press. This book was released on 2020-10-28 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: Risk assessment has been extensively developed in several scientific fields, such as environmental science, economics, and civil engineering, among others. In the aftermath of the SPS and GATT agreements on the use of risk analysis framework in food trade, signed in the 1990s, international organisations and governments adopted risk assessment as a science-based process to ensure food safety along the food chain. The food industry can also benefit from the use of this approach for food process optimisation and quality assurance. Risk Assessment Methods for Biological and Chemical Hazards in Food introduces the reader to quantitative risk assessment methods encompassing general concepts to specific applications to biological and chemical hazards in foods. In the first section, the book presents food risk assessment as methodology and addresses, more specifically, new trends and approaches such as the development of risk rating methods, risk metrics, risk-benefit assessment studies and quality assessment methods. Section II is dedicated to biological hazards. This section identifies the most relevant biological hazards along the food chain and provides an overview on the types of predictive microbiology models used to describe the microbial response along the food chain. Chapter 12 specifically deals with cross contamination and the quantitative methods that can be applied to describe this relevant microbial process. The development and application of dose-response models (i.e. mathematical function describing the relationship between pathogen dose and health response) are also covered in this section. In Section III, the book translates risk assessment concepts into the area of chemical hazards, defining the process steps to determine chemical risk and describing the uncertainty and variability sources associated with chemicals. Key Features: Presents new trends and approaches in the field of risk assessment in foods Risk assessment concepts are illustrated by practical examples in the food sector Discusses how quantitative information and models are integrated in a quantitative risk asssment framework Provides examples of applications of quantitative chemical risk assessment in risk management The book, written by renowned experts in their field, is a comprehensive collection of quantitative methods and approaches applied to risk assessment in foods. It can be used as an extensive guide for food safety practitioners and researchers to perform quantitative risk assessment in foods
Download or read book Wastewater Blending written by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment and published by . This book was released on 2005 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Manual of Environmental Microbiology written by Christon J. Hurst and published by American Society for Microbiology Press. This book was released on 2007-05-14 with total page 3023 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most definitive manual of microbes in air, water, and soil and their impact on human health and welfare. • Incorporates a summary of the latest methodology used to study the activity and fate of microorganisms in various environments. • Synthesizes the latest information on the assessment of microbial presence and microbial activity in natural and artificial environments. • Features a section on biotransformation and biodegradation. • Serves as an indispensable reference for environmental microbiologists, microbial ecologists, and environmental engineers, as well as those interested in human diseases, water and wastewater treatment, and biotechnology.
Download or read book Human Viruses in Water written by Albert Bosch and published by Elsevier. This book was released on 2007-11-07 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides overviews and updates on basic research, diagnosis, epidemiology, and public health on enteric viruses, as well as on treatment and intervention to prevent their waterborne transmission. Data are presented and interpreted by leading researchers in the field in 13 chapters. An essential resource for virologists, epidemiologists, medical and public health professionals, graduate students and postdoctoral scientists at various levels of their careers. Key Topics Include: * Ecology of enteric viruses * Intervention measures from risk assessment to virus disinfection practices * Cutting edge technology on procedures for virus detection and monitoring in water and the water environment * Quality assurance and quality control measures in water virology * Legal regulations regarding viruses in the environment
Download or read book Evaluation of Sensitivity Analysis Methods for Application to Microbial Food Safety Process Risk Models written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the emergence of quantitative risk assessment models in the field of food safety, there has also been a growing recognition of the need for sensitivity analysis of such models. Key questions that must be addressed in performing sensitivity analysis with food safety risk models include the following: What are the key criteria for sensitivity analysis methods applied to food safety risk assessment?; What sensitivity analysis methods are most promising for application to food safety and risk assessment?; and What are the key needs for implementation and demonstration of such methods? Microbial food safety process risk (MFSPR) models are examples in which the process of sensitivity analysis is challenged by typical characteristics of those models such as non-linearity, thresholds, interactions, use of both continuous and categorical inputs, and two-dimensional simulation of variability and uncertainty. The three main purposes of this dissertation are to: (1) evaluate sensitivity analysis methods; (2) present examples of how sensitivity analysis can be applied to MFSPR models and how the results can be presented and interpreted; and (3) provide guidance to risk analysis practitioners regarding the application of sensitivity analysis, particularly with regard to MFSPR models as well as other risk models with similar characteristics. This study included a review of existing methods, and a detailed series of quantitative case studies of multiple sensitivity analysis methods applied to an E. coli O157:H7 food safety process risk model in ground beef. Methods evaluated include Pearson and Spearman correlation analyses, sample and rank regression analyses, sample and rank stepwise regression analyses, analysis of variance, and classification and regression trees. The guidance is intended to assist exposure and risk modeling practitioners to make effective use of sensitivity analysis methods and the insights they provide. The guidance provides insight regarding: (1) why an.
Download or read book Guidelines for Water Reuse written by and published by . This book was released on 2004 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Application of Health Risk Assessment Techniques to Microbial Monitoring Data written by Bettina Genthe and published by . This book was released on 1999 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
