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
Proposed Sediment Quality Criteria for the Protection of Benthic Organisms: Phenanthrene. Hansen, D. J; Berry, W. J; Di Toro, D. M; Paquin, P; Davanzo, L.	PB93153880	1991	70 pages
Health and Environmental Effects Profile for Phenanthrene.	PB89119937	1987	98 pages