Standard methods for the examination of water and sewage /    
rev. b y Committees of American Public Health Assocaition, American Chemical S ociety, and referees of the Association of Official agriculture chemist s. 
 - 9th ed. 
 - Boston :   American Public Health Association ,   1946. 
 - xvi, 115p. ;    25 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water --analysis------<br/>Sewage --Analysis------
<br/><br/><label>National Library of Medicine Call No.: </label>WA 686   /  Am35s 1946