Sewage disposal on agricultural soils : chemical and microbiological implications / 1978 
L.R. Hossner...[et al.] 
 - Washington, D.C. :  United States Environmental Protection Agency,  1978 
 - v. :  ill. ;  28 cm. 
 - Environmental protection series;  no.EPA-600/2-78-131a .
<br/><br/> cover title : Chemical implications 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>363.7284