ISBN-10:
1583215050
ISBN-13:
9781583215050
Pub. Date:
03/28/2007
Publisher:
American Water Works Association
Effect of Changing Disinfectants on Distribution System Lead and Copper Releases: Part 1 -- Literature Review

Effect of Changing Disinfectants on Distribution System Lead and Copper Releases: Part 1 -- Literature Review

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Overview


The objective of this research is to determine the effects of changing disinfectants (from free chlorine to chloramines and vice versa) on rates and concentrations of metals leaching from lead, brass, and copper distribution system components. Within the next five years, more than 100 sizeable utilities will undergo disinfection conversion to chloramines. Part 1 (Literature Review) was published within a few months of the start of the project in order to provide timely information to utilities concerning the effects of changing disinfectants and compliance with the Lead and Copper Rule. Part 2 (Laboratory Studies, Pipe Loop Testing, and Field Sampling) should be available by early 2009, after completion of the laboratory and field sampling that will be conducted through May of 2008.

Product Details

ISBN-13: 9781583215050
Publisher: American Water Works Association
Publication date: 03/28/2007
Pages: 44
Product dimensions: 8.30(w) x 10.70(h) x 0.20(d)

Table of Contents


Figures
Foreword
Acknowledgments
Preface

Executive Summary
Chapter 1 - Background
Chapter 2 - How Does a Change in Disinfection Impact Lead Release?
Chapter 3 - How Does a Change in Disinfection Affect Copper Release?
Chapter 4 - Does Galvanic Couplining Affect Metals Release With the Change in Disinfectant?

Chapter 5 - How Does the Change in Disinfectant Affect the Nature of Protective Scales Formes on Plumbing Materials?
Chapter 6 - Historically, What Have Been The Effects Of Various Forms Of Treatment On Galvanic Coupling Corrosion And Metals Release After Disinfectant Changes In The Distribution System?
Chapter 7 - What Effect Does Background Water Chemistry Have On Metals Release And Galvanic Coupling?
Chapter 8 - What Effect Does A Change In Disinfectant Have On Redox?
Chapter 9 - Summary Of Preliminary Findings And Key Research Issues
References

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