Water quality and treatment :   a handbook of community water supplies / 
American Water Works Association; Raymond D. Letterman, technical editor. 
 - 5th ed 
 - New York:   McGraw-Hill,   1999 
 - 1 v. (various pagings):   ill.;   24 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0070016593 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--United States<br/>Water quality<br/>Water-supply--United States