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
Teratology and Postnatal Studies in Rats of the Propylene Glycol Butyl Ether and Isooctyl Esters of 2,4-Dichlorophenoxyacetic Acid. Unger, T. M; Kliethermes, J; Van Goethem, D; Short, R. D.	PB81191140	1981	27 pages
Drinking Water Criteria Document for 2,4-Dichlorophenoxyacetic Acid (2,4-D) (Final), March 1988.	PB89192348	1988	212 pages
Installation Restoration Program Toxicology Guide. Volume 4.	ADA215002	1989	758 pages