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
Radon Generation and Transport in Aged Concrete. Rogers, V. C; Nielson, K. K; Holt, R. B.	PB95181590	1995	40 pages
Statewide Mapping of Florida Soil Radon Potentials. Volume 1. Technical Report. Nielson, K. K; Holt, R. B; Rogers, V. C.	PB96104351	1995	120 pages