Best Practice Guide on the Management of Metals in Small Water Supplies
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| Other Authors | , |
|---|---|
| Format | Electronic eBook |
| Language | English |
| Published |
IWA Publishing,
2016.
|
| Series | Metals and related substances in drinking water series.
|
| Subjects | |
| Online Access | Full text |
| ISBN | 9781780406404 1780406401 9781780406398 1780406398 |
| Physical Description | 1 online resource (148 pages). |
Cover
Table of Contents:
- Cover; Copyright; Contents; Authors; Acknowledgements; Abbreviations and Acronyms; About this Best Practice Guide; Foreword; Executive Summary; Chapter 1: The difficulties of managing water quality in small water supplies; 1.1 What are Small Water Supplies?; 1.1.1 Definitions; 1.1.2 What does a small water supply look like?; 1.2 The Management and Regulation of Small Water Supplies; 1.3 The Vulnerability of Small Water Supplies to Contamination by Metals; References; Chapter 2: Water safety plans for small water supplies; 2.1 Introduction; 2.2 Making DWSPS Work for Small Water Supplies.
- 2.3 Teamwork
- The Value of a WSP Team2.4 A Practical Guide to Developing a WSP for a Small Supply; 2.4.1 Section 1
- Overview of the supply; 2.4.2 Section 2
- Risk assessment and identification of controls for risk; 2.4.3 Section 3
- Verification; 2.4.4 Section 4
- Action plan; 2.4.5 Section 5
- Review of the WSP; 2.5 Practical Guidance for Risk Assessments; 2.5.1 The catchment and the source; 2.5.2 Water treatment; 2.5.3 Networks and storage tanks; 2.5.4 Domestic distribution systems; References; Chapter 3: Establishing the metals problem: Risk assessment, sampling and analysis.
- 3.1 Introduction3.2 The Range of Possible Problems; 3.3 Metal Solubility and Influencing Factors; 3.4 Risk Assessment of Small Water Supply Systems; 3.5 Sampling and Analysis; 3.6 Consumer Awareness; References; Chapter 4: Sources of metals in small water supplies; 4.1 Origin of Contaminants; 4.2 Contamination of Surface Waters; 4.3 Contamination of Ground Water; 4.4 Contamination from Treatment Processes; 4.4.1 Ion exchange processes; 4.4.2 Filter media; 4.4.3 Oxidation; 4.4.4 Coagulated treatment processes; 4.4.5 Corrosion of metals within the treatment process.
- 4.4.6 Metal contamination from treatment chemicals4.5 Contamination in Distribution Pipework; 4.6 Contamination from Plumbing Fittings; References; Chapter 5: Water treatment processes available for use on small water supplies; 5.1 Process Selection; 5.1.1 System installation and maintenance; 5.1.2 Point of use versus point of entry; 5.2 Types of Treatment; 5.2.1 Physical filtration; 5.2.2 Chemical or adsorptive filters; 5.2.3 Ion exchange; 5.2.4 Reverse osmosis membrane; 5.2.5 Distillation; 5.2.6 Treatment options and specifications; References.
- Chapter 6: Practical considerations of treatment for iron and manganese in small water supplies6.1 Iron; 6.1.1 Principles of process design; 6.1.2 Iron removal
- treatment methods; 6.2 Manganese; Reference; Chapter 7: Conditioning water to prevent dissolution of plumbing materials or post-treatment contamination; 7.1 Treatment is Only Part of the Story; 7.2 Indications and Effects of Post-Treatment Metal Contamination in Small Water Supplies; 7.3 Establishing the Source of the Problem; 7.3.1 Investigative sampling; 7.3.2 Indices.