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This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.
In 2004, the WHO Guidelines for Drinking Water Quality recommended that water suppliers develop and implement "Water Safety Plans" (WSPs) in order to systematically assess and manage risks. Since this time, governments and regulators, water suppliers and practitioners have increasingly embraced this approach, but they have also requested further guidance. This much-anticipated workbook answers this call by describing how to develop and implement a WSP in clear and practical terms. Stepwise advice is provided through 11 learning modules, each representing a key step in the WSP development and implementation process: 1. Assemble the WSP team; 2. Describe the water supply system; 3. Identify hazards and hazardous events and assess the risks; 4. Determine and validate control measures, reassess and prioritise the risks; 5. Develop, implement and maintain an improvement/upgrade plan; 6. Define monitoring of the control measures; 7. Verify the effectiveness of the WSP; 8. Prepare management procedures; 9. Develop supporting programmes; 10. Plan and carry out periodic review of the WSP; 11. Revise the WSP following an incident ; Every Module is divided into three sections: 'Overview', 'Examples and Tools', and 'Case studies'. The overview section provides a brief introduction to the Module, including why it is important and how it fits into the overall WSP development and implementation process. It outlines key activities that should be carried out, lists typical challenges that may be encountered, and summarizes the essential outputs to be produced. The examples and tools section provides resources which could be adapted to support the development and implementation of WSPs. These resources include example tables and checklists, template forms, diagrams, or practical tips to help a WSP team address specific challenges. These are often example outputs and methodologies adapted from recent WSP experiences. Each Module concludes with case studies so the reader can benefit from lessons-learned from real-life experiences. They are intended to make WSP concepts more concrete and to help readers anticipate issues and challenges that may arise. The descriptions were drawn from WSP initiatives in Australia, the Latin American and the Caribbean region (LAC), and the United Kingdom.
As demand for water increases, water managers and planners will need to look widely for ways to improve water management and augment water supplies. This book concludes that artificial recharge can be one option in an integrated strategy to optimize total water resource management and that in some cases impaired-quality water can be used effectively as a source for artificial recharge of ground water aquifers. Source water quality characteristics, pretreatment and recharge technologies, transformations during transport through the soil and aquifer, public health issues, economic feasibility, and legal and institutional considerations are addressed. The book evaluates three main types of impaired quality water sourcesâ€"treated municipal wastewater, stormwater runoff, and irrigation return flowâ€"and describes which is the most consistent in terms of quality and quantity. Also included are descriptions of seven recharge projects.
The Fifth Edition reflects many of the changes in science and manufacturing since the publication of the Fourth Edition. Also, where feasible, FCC specifications are now harmonized with those of other standard setters, in particular the FAO/WHO Compendium of Food Additive Specifications. The FCC receives international recognition by manufacturers, vendors, and users of food chemicals. The Fifth Edition will be a welcome update to food technologists, quality control specialists, research investigators, teachers, students, and others involved in the technical aspects of food safety.
Analytical Methods for Agricultural Contaminants provides proven laboratory practices and methods necessary to control contaminants and residues in food and water. This reference provides insight into good laboratory practices and examples of methods used in individual specialist laboratories, thus enabling stakeholders in the agri-food industry to appreciate the importance of proven, reliable data and the associated quality assurance approaches for end product testing for toxic levels of contaminants and contaminant residues in food. The book offers standard operating procedures and tools for researchers, practitioners and students to confidently engage in using research methods with the aim to control contaminants. Users in a laboratory setting will find this to be a practical and useful reference on how to detect and control agricultural contaminants for a safe food supply. - Provides coverage of risk assessment and effective testing technologies - Presents the most up-to-date information in research sample preparation and method validation to detect chemical residues - Includes examples of each method for practical application - Demonstrates proven, reliable research data and the associated quality assurance approaches for end product testing
This book reviews the practice of reclaiming treated municipal wastewater for agricultural irrigation and using sewage sludge as a soil amendment and fertilizer in the United States. It describes and evaluates treatment technologies and practices; effects on soils, crop production, and ground water; public health concerns from pathogens and toxic chemicals; existing regulations and guidelines; and some of the economic, liability, and institutional issues. The recommendations and findings are aimed at authorities at the federal, state, and local levels, public utilities, and the food processing industry.
The Procedural Manual of the Codex Alimentarius Commission is intended to help Member Governments participate effectively in the work of the joint FAO/WHO Food Standards Programme. The manual is particularly useful for national delegations attending Codex meetings and for international organizations attending as observers. It sets out the basic Rules of Procedure, procedures for the elaboration of Codex standards and related texts, basic definitions and guidelines for the operation of Codex committees. It also gives the membership of the Codex Alimentarius Commission. Also published in French and Spanish.
The specifications in this document provide information on the identity and purity of additives used directly in foods or in food production. The three main objectives of these specifications are to identify the additive that has been subjected to testing for safety, to ensure that the additive is of the quality required for use in food or in processing, and to reflect and encourage good manufacturing practice.