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
Continuous Monitoring of VOC Precursors. Purdue, L. J.	PB93167211	1993	13 pages
Summer 1990 Atlanta Ozone Precursor Study (January 1993). Purdue, L. J.	PB93167203	1993	15 pages
Air Quality Criteria for Ozone and Related Photochemical Oxidants. Volume 1 of 3.	PB96185582	1996	430 pages
Air Quality Criteria for Ozone and Related Photochemical Oxidants. Volume 1 of 3.	PB94173127	1993	470 pages