EPA Card Catalog

EPA's Online System

(OLS) OLS consists of several related databases that can be used to locate books, reports, and articles on a variety of topics. The material in OLS is updated every two weeks, and can be searched by numerous access points, such as title, author, and keyword. National Catalog Citations and summaries on environmentally related topics encompassing biology, chemistry, ecology, and other basic sciences; and EPA reports distributed through the National Technical Information Service (NTIS). The database covers the holdings of all 28 EPA libraries (regional and laboratories.)

the EPA Online Library Catalog

Environmental Sciences | Research & Development
National Exposure Research Laboratory
Send questions or comments to the ESD Info Desk (contractor operated)
(Library-lv@epa.gov)

EPA Card Catalog

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