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
Assessment of Ecologic Risks Related to Chemical Exposure: Methods and Strategies Used in the United States. Falco, J. W; Moraski, R. V.	PB89222673	1988	15 pages
Method for Aquatic Multiple Species Toxicant Testing: Acute Toxicity of 10 Chemicals to 5 Vertebrates and 2 Invertebrates. Phipps, G. L; Holcombe, G. W.	PB85230340	1985	19 pages
Methods for Acute Toxicity Tests with Fish, Macroinvertebrates, and Amphibians.	PB242105	1975	76 pages
Protocol for Bioassessment of Hazardous Waste Sites. Porcella, D. B.	PB83241737	1983	154 pages
Test Guidelines: Chemical Fate.	PB82233008	1982	504 pages