National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count
Survey and Evaluation of Fine Bubble Dome Diffuser Aeration Equipment. Houck, D. H; Boon, A. G.	PB82105578	1981	189 pages
Aeration Equipment Evaluation. Phase 1. Clean Water Test Results. Yunt, F. W; Hancuff, T. O.	PB88180351	1988	203 pages
Long-Term Performance Characteristics of Fine Pore Ceramic Diffusers at Monroe, Wisconsin. Redmon, D. T; Ewing, L; Ellefson, G. V; Melcer, H.	PB94200854	1994	166 pages
Post Construction Performance of Schreiber Counter-Current Aeration Facilities.	PB88113808	1987	378 pages