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
Hydrolysis Rate Constants for Enhancing Property-Reactivity Relationships. Ellington, J. J.	PB89220479	1989	64 pages
Toxicological Profile for Di-N-Butyl Phthalate (Update, September 2001).	PB2001109104	2001	226 pages
Toxicological Profile for Aldrin/Dieldrin (September 2002).	PB2003100134	2002	354 pages
Toxicological Profile for Alpha-, Beta-, Gamma-, and Delta-Hexachlorocyclohexane, 2005.	PB2006100003	2005	377 pages