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
Process Design Manual for Sludge Treatment and Disposal.	PB80200546	1979	1150 pages
Estimating Sludge Management Costs: Handbook.	PB86124542	1985	564 pages
Wastewater Treatment/Disposal for Small Communities. Manual. Bowker, R; Frigon, G; Kreissl, J; Otis, R.	PB94123841	1992	120 pages
Construction Grants - 1985: Municipal Wastewater Treatment.	PB85119683	1984	440 pages
Bibliography of Appropriate Technology Information for Developing Countries: Selected Abstracts from the NTIS Data File - Fourth Edition. Tenney, S. D; Jinzhang, B; Haldea, P.	PB83113852	1983	454 pages