Industrial waste water :  research summary / 
United State, Enviromental Protection Agency 
 - Washington, D.C. :  Enviromental Protection Agency,  1980 
 - 31 p. :  ill.,. map. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification<br/>Sewage irrigation
<br/><br/><label>Dewey Class. No.: </label>628.167