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
INPUFF, Multiple Source Puff Model. Petersen, W. B.	PB86242468	1986	16 pages
INPUFF 2.0 - A Multiple Source Gaussian Puff Dispersion Algorithm. User's Guide. Petersen, W. B; Lavdas, L. G.	PB86242450	1986	124 pages
Critical Review of Four Types of Air Quality Models Pertinent to MMS Regulatory and Environmental Assessment Missions. Chang, J. C; Fernau, M. E; Scire, J. S; Strimaitis, D. G.	PB99167363	1998	188 pages