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
Summary of the 1992 EPA/AWMA International Symposium: Measurement of Toxic and Related Air Pollutants. Held on May 4-8, 1992. Jayanty, R. K. M; Gay, B. W.	PB93156156	1993	14 pages
Proceedings of the 1991 U.S. Environmental Protection Agency/Air and Waste Management Association International Symposium: Measurement of Toxic and Related Air Pollutants. Volume 2.	PB93122349	1991	622 pages