The Nalco water handbook  
/ Nalco Company; Daniel J. Flynn, editor. 
 - 3rd ed.. 
 - New York  McGraw-Hill  2009. 
 - 1v. (various pagings)  ill., maps  24cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071548830  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory and trade waste--Purification<br/>Sewage--Purification<br/>Water use<br/>Water--Purification
<br/><br/><label>Dewey Class. No.: </label>628.162 NAL 2009