文档介绍：WATER QUALITY & TREATMENTABOUTTHE AMERICAN WATER WORKS ASSOCIATIONAmerican Water Works Association is the authoritative resource for knowledge, infor-mation, and advocacy to improve the quality and supply of water in North America and beyond. AWWA is the anization of water professionals in the world. AWWA advances public health, safety, and welfare by uniting the efforts of the full spectrum of the entire munity. Through our collective strength we e better stewards of water for the greatest good of the people and the environment. American Water Works Association6666 W. Quincy , Colorado QUALITY & TREATMENTA Handbook on Drinking WaterJames K. Edzwald,EditorSixth EditionNew York Chicago San FranciscoLisbonLondonMadrid Mexico CityMilanNew Delhi San Juan Seoul Singapore SydneyTorontoCopyright ? 2011, 1999 by American Water Works Association. All rights reserved. Except as permit-ted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the : 978-0-07-163010-8MHID: 0-07-163010-4The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-163011-5, MHID: 0-07-163011- trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the bene? t of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial -Hill eBooks are available at special quantity discounts to use as premiums and sales promo-tions, or for use in corporate training programs. To contact a representative please e-mail us at bulk-******@mcgraw-.Information contained in this work has been obtained by The McGraw-panies,