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
Mutagenicity and Carcinogenicity Assessment of 1,3-Butadiene. Bayard, S; Beliles, R. P; Chiu, A; Gibb, H. J; Sadler, B.	PB86125507	1985	139 pages
Interim Methods for Development of Inhalation Reference Doses. Jarabek, A. M; Blackburn, K; Dourson, M; Erdreich, L; Overton, J.	PB90145723	1989	224 pages
Interim Methods for Development of Inhalation Reference Concentrations. Blackburn, K; Dourson, M; Erdreich, L; DeRose, C; Graham, J. A.	PB90238890	1990	242 pages
Methods for Derivation of Inhalation Reference Concentrations and Application of Inhalation Dosimetry.	PB2000100284	1994	424 pages
EPA National Publications Catalog, 1998. Fourth Edition.	PB99124323	1998	844 pages
EPA National Publications Catalog 1995.	PB2009111456	1995	828 pages
EPA National Publications Catalog 1996.	PB2009111457	1996	890 pages