Technologies for upgrading existing or designing new drinking water treatment facilities. 

 - Cincinnati, Ohio :    United States Environmental Protection Agency,    1990. 
 - xiv, 207 p. :    ill. ;    28 cm. 
<br/><br/>Includes bibliographic references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water -- Purification -- Equipment and supplies.
<br/><br/><label>Dewey Class. No.: </label>628.162