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Backflow Prevention and Cross-Connection Control

Manual of Water supply practices M14. Backflow Prevention and Cross-Connection Control Recommended practices Fourth Edition Copyright 2015 American Water Works Association. All Rights Reserved. Contents List of Figures, v List of Tables, vii Preface, ix Acknowledgments, xi Dedication, xiii Metric Conversions, xv Chapter 1 Introduction ..1. Purpose of Manual, 1. Responsibilities, 2. Health Aspects, 5. Legal Aspects, 7. Chapter 2 Back ow Prevention Principles ..11. Basic Hydraulics, 11. Types of Backflow , 13. Assessing Degrees of Hazard, 18. Assessing Other Risk Factors, 20. Assessing the Effectiveness of Assemblies and Devices, 21.

This manual provides guidance to all professionals working with the potable water supply on the recommended procedures and practices for developing, operating, and maintain-ing an efficient and effective cross-connection control program. The manual also provides

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