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	Download
Quantification of Methane Emissions and Discussion of Nitrous Oxide and Ammonia Emissions from Septic Tanks, Latrines, and Stagnant Open Sewers in the World. Doorn, M. R. J; Liles, D. S.	PB2000101018	1999	58 pages
Field Measurement of Greenhouse Gas Emission Rates and Development of Emission Factors for Wastewater Treatment. Eklund, B; LaCosse, J.	PB98117898	1997	484 pages