Standard Methods :   for the examination of water and wastewater. 

 - 22nd ed. 
 - USA.  APHA, AWWA, WEF.  2012. 
 - xxxviii, 10175 p.  ill.  28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780875530130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Examination of water and wastewater.
<br/><br/><label>National Library of Medicine Call No.: </label>WA 686 S 2012