Wise, Robert H. Partial characterization of chlorinated septages and mixed sludges / 1978 Robert H. Wise, Thomas A. Pressley and Barry M. Austern - Washington : U.S. Government Printing Office, 1978 - vii, 22 p. : ill. ; 28 cm. - Environmental protection series . EPA-600/2-78-020 Subjects--Topical Terms: SludgesPollution Dewey Class. No.: 628.38