Standard methods for the examination of water and wastewater :   in cluding bottom sediments and sludges / 
  Standard methods 
prepared and published jointl y by American Public Health Association, American Water Works Associati on, Water Pollution Control Federation. 
 - 20th ed. 
 - New York :   American Public Health Association,   1998 
 - various pagination :   illustrations ;   29 cm 
<br/><br/>includes bibliography and index. 
<br/><br/><label>ISBN: </label>0002192152 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water-- Analysis.<br/> Sewage-- Analysis.
<br/><br/><label>Dewey Class. No.: </label>543.3