Instructor guide: water quality ,principles and practices of water supply operations 

 - Denver  American water works association  1995 
 - 100p. 
<br/><br/><label>ISBN: </label>0898678080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic chemicals<br/>physical tests<br/>water quality monitoring
<br/><br/><label>Dewey Class. No.: </label>628.16  / HUB