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
Analysis of Crop Loss for Alternative Ozone Exposure Indices. Tingey, D. T; Hogsett, W. E; Lee, E. H.	PB88214788	1988	15 pages
Programmable Exposure Control System for Determination of the Effects of Pollutant Exposure Regimes on Plant Growth. Hogsett, W. E; Tingey, D. T; Holman, S. R.	PB86121548	1985	13 pages