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Keywords from Image Description:
AT INTAKE SEWAGE PLANT HIGH SPEED PUMP MIXES SEWAGE WITH ACTIVATED SLUDGE. BACTERIA WILL DECOMPOSE SEWAGE NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Gillette Bill Photographer File ATINTAKESEWAGEPLANT HIGHSPEEDPUMPMIXESSEWAGEWITHACTIVATEDSLUDGE BACTERIAWILLDECOMPOSESEWAGENARA