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
Development of a Lumped-Parameter Model of Indoor Radon Concentrations. Nielson, K. K; Rogers, V. C; Holt, R. B.	PB95142048	1994	179 pages
Site-Specific Characterization of Soil Radon Potentials. Nielson, K. K; Holt, R. B; Rogers, V. C.	PB96140553	1995	49 pages
Lumped-Parameter Model Analyses of Data from the 1992 New House Evaluation Project, Florida Radon Research Program. Nielson, K. K; Holt, R. B; Rogers, V. C.	PB95243077	1995	56 pages
Large Building Radon Manual. Fowler, C. S; Williamson, A. D; Pyle, B. E; McDonough, S. E.	PB98123995	1997	100 pages