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
Summary Review of the Health Effects Associated with Propylene: Health Issue Assessment,	PB89119739	1988	42 pages
Validation of Chemical and Biological Techniques for Evaluation of Vapors in Ambient Air/Mutagenicity Testing of Twelve (12) Vapor-Phase Compounds. Hughes, T. J; Sparacino, C; Frazier, S.	PB84164219	1984	212 pages
Toxicological Profile for Nitrobenzene.	PB91180398	1990	130 pages
Toxicological Profile for Hydrogen Sulfide.	PB99166696	1999
Toxicological Profile for Hydrogen Sulfide (2006 Update).	PB2007100675	2006	254 pages
Chemical Stockpile Disposal Program Final Programmatic Environmental Impact Statement Volume 3: Appendices A-S.	ADA476360	1988	732 pages