Pontius, F. W. <br/><br/>
Water quality and treatment :  a handbook of community water supplies / 
American Water Works Association. 
 - 4th ed. 
 - New York :  McGraw-Hill,  c1990. 
 - xiv, 1194 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographical references and ill. 
<br/><br/><label>ISBN: </label>0070015406 
<br/><br/><label>Source: </label>R -041 
<br/><br/><label>LCCN: </label>90006192  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--United States.<br/>Water quality.<br/>Water-supply--United States.
<br/><br/><label>LC Class. No.: </label>TD430  / .W365 1990 
<br/><br/><label>Dewey Class. No.: </label>628.1/6/0973