Ozone for water & wastewater treatment :  [proceedings] : based on papers presented at the First International Symposium on Ozone for Water & Wastewater Treatment, December 2-5, 1973 / 
editors in chief--Rip G. Rice, Myron E. Browning ; sponsored by International Ozone Institute, Environmental Protection Research Institute, U.S. Environmental Protection Agency/Office of Technology Transfer. 
 - Waterbury, Conn. :  International Ozone Institute,  [1975] 
 - 2 v. in 1 :  ill. ; 
<br/><br/> Proceedings of the 2d in this series of meetings is entered under International Symposium on Ozone technology. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--Ozonization--Congresses.<br/>Sewage--Purification--Ozonization--Congresses.
<br/><br/><label>LC Class. No.: </label>TD430.E8 1973 
<br/><br/><label>Dewey Class. No.: </label>628.1/662