Data base for influent heavy metals in publicly owned treatment works / 
Roger A. Minear ... [et al.] 
 - Washington, D.C. :  United State Government Printers Office,  1981 
 - Various pagings :  chart ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heavy metals--Environmental aspects
<br/><br/><label>Dewey Class. No.: </label>628.52