Options for reaching water quality goals ; proceedings of a Symposium held in Washington, D.C. at the Twentieth Annual Conference of the American Water Resources Association / 
ed. by Theodore M. Schad ; co-sponsored by Tennesse Valley Authority 
 - viii, 217 páginas 
 - Technical publication series / american water resources association ; .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calidad del agua--Administración--Estados Unidos--Congresos
<br/><br/><label>LC Class. No.: </label>TD223  / O67