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
Evaluation and Estimation of Potential Carcinogenic Risks of Polynuclear Aromatic Hydrocarbons (PAH). Chu, M. M. L; Chen, C. W.	PB89221329	1985	38 pages
Dose-Response Analysis of Ingested Benzo(a)Pyrene (CAS No. 50-32-8). Chen, C. W; Chu, M. M. L.	PB93167484	1991	41 pages
Toxic Emissions from Aircraft Engines: A Search of Available Literature.	PB94156486	1993	100 pages