Sarai, Darshan Singh <br/><br/>
Basic chemistry for water and wastewater operators / Darshan Singh Sarai. 

 - Rev. ed. 
 -  Denver, CO : American Water Works Association  2005 
 - x, 196 p. : ill.    23 cm. Includes bibliographical references (p. 187-188) and index. 196 
<br/><br/><label>ISBN: </label>9781583211489 
<br/><br/><label>LC Class. No.: </label>QD31.3 .S37 2005 
<br/><br/><label>Dewey Class. No.: </label>QD31.3 .S37 2005 
<br/><br/><label>National Library of Medicine Call No.: </label>QD31.3 .S37 2005