Process design manual,  land treatment of municipal wastewater. 
U.S Environmental Protection Agecy. 
 - USA :  U.S Army Environmental Protection Agenecy. 
 - Various Pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>363.7284  / UNI