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Copyright © 2005, 1998 by American Water Works Association and American Society
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may be reproduced or distributed in any form or by any means, or stored in a data base
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Copyright © 1990 by McGraw-Hill, Inc.
The first edition was published in 1969 by American Water Works Association.

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ISBN 0-07-141872-5
The sponsoring editor for this book was Larry S. Hager, the editing supervisor was
Stephen M. Smith, and the production supervisor was Sherri Souffrance. It was set in
Times Roman by Matrix Publishing Services. The art director for the cover was
Handel Low.
At A WWA: Mary Kay Kozyra, editor; B. J. Crooks, administrative assistant.
Printed and bound by RR Donnelley.

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