Water quality assessment : a screening procedure for toxic and conventional pollutants in surface and ground water /  
by W.B. Mills ... [et al.] 
 - Athens :  Environmental Protection Agency (EPA),  1985 
 - 2 v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calidad del agua<br/>Aguas superficiales<br/>Contaminación de aguas subterraneas
<br/><br/><label>Dewey Class. No.: </label>628.16 W324