Workshop report and proceedings :  air toxic emissions and POTWs, held July 10-11, 1989, Radisson Mark Plaza Hotel, Alexandria, Virginia / 
co- sponsored by Water Pollution Control Federation and the U.S. Environmental Protection Agency ; ed. and comp. by Kris P. Lindstrom 
 - 1 volumen (en varias paginaciones) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de calidad del aire--Congresos<br/>Servicios públicos--Aspectos ambientales<br/>Aire--Contaminacion--Toxicologia--Congresos<br/>Aguas residuales--Purificacion--Plantas--Aspectos ambientales
<br/><br/><label>LC Class. No.: </label>TD195.S47  / W67