Technical support document for water quality-based toxics control 

 - Washington :   Environmental Protection Agency (EPA),  1991 
 - xxiv, [273] p 
<br/><br/> Glosario 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Análisis del agua<br/>Calidad del agua ---Control ---Estados Unidos
<br/><br/><label>Dewey Class. No.: </label>628.16 U58t