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
Photo-Oxidation of Automobile Emissions: Measurements of the Transformation Products and Their Mutagenic Activity. Kleindienst, T. E; Smith, D. F; Hudgens, E. E; Snow, R. F; Perry, E.	PB93141273	1992	15 pages
Atmospheric Chemistry Studies of Exhaust from Vehicles Operating with Reformulated Fuel. Kleindienst, T. E; Smith, D. F; Black, F. M; Tejada, S. B.	PB97193734	1997	22 pages