Third U.S.-Japan Conference on Sewage Treatment Technology proceedings:  February 12-16, 1974, Tokyo, Japan. 

 - Cincinnati :  Office of International Activities, Office of Research and Development, Office of Water and Hazardous Materials,  1975. 
 - vi, 546 pages :  illustrations, diagrams, charts, map ;  28 cm. 
 - Research reporting series ;  2 Environmental protection technology .
<br/><br/> EPA-670/9-75-005.  Issued May 1975. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal--Congresses.<br/>Sewage--Purification--Congresses.
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