An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Research Triangle Park Library Services

The EPA-RTP library provides access to accurate, timely, and usable information to support the research mission and policy decisions of the U.S. Environmental Protection Agency. The library serves as a vital tool to the EPA staff and contractors in Research Triangle Park, North Carolina.

Contact Information

We are located at:
109 T.W. Alexander Drive, Room C261
Research Triangle Park, NC 27711

We can be contacted at:
Phone: (919) 541-2777
Fax: (919) 685-3110

Mailing Address:
EPA-RTP Library
U.S. Environmental Protection Agency
MD C267-01
109 T.W. Alexander Drive
Research Triangle Park, NC 27711

Hours of Operation
The EPA-RTP Library is open 8:00 AM – 5:00 PM Monday through Friday, excluding federal holidays.  The public may visit the library 9:00 AM – 3:00 PM Monday through Friday. All visitors must have photo identification to enter the facility.

Borrowing Policy and Interlibrary Loans

The library’s collection and resources are available for loan to EPA staff and onsite contractors only. Microfiche reader/printers and copy machines are available in the library for public use.

To locate EPA library and repository materials, you can search the EPA National Library Catalog. If you have any questions, please call or email the library.

Information For Other Libraries: We freely share materials with other libraries via the OCLC Interlibrary Loan system. Our OCLC symbol is EKB, and we are members of FEDL (Federal Libraries and Information Centers) and LVIS (Libraries Very Interested in Sharing). The EPA-RTP Library also participates in Interlibrary Loan through the National Library of Medicine’s DOCLINE system. Our DOCLINE “lib id” is NCUEPA. For libraries that do not have OCLC or DOCLINE access, please contact the Interlibrary Loan librarian at (919) 541-2777 or for alternate methods.

About the Collection

The EPA-RTP Library houses an impressive array of information, including more than 1000 journal titles, over 6,000 books, 150,000 microfiche documents, and paper copies of more than 13,000 EPA, trade association, international agency, and other Federal agency documents. The main focus of the collection is air pollution. We emphasize chemical toxicity, chemistry, meteorology, geophysics and related sciences. Our collection is supplemented with business, management, economic, and computer related information.