The National Enforcement Investigations Center (NEIC) Library partners with its scientists and engineers to retrieve, validate, and deliver information to develop methods, defensible regulations, and environmental measurements.

The Library serves OECA and NEIC staff, along with other EPA regional, headquarters offices, and federal, state, and local agencies working for environmental enforcement and compliance.

Contact Information

The library is open to the public by appointment only. We are located at:
Bldg 25, Door W2
Denver Federal Center
Denver, CO 80225

We can be contacted at:
Phone: (303) 462-9353
Fax: (303) 462-9028
E-mail: neic-library@epa.gov

Mailing Address:
NEIC Library
P.O. Box 25227
Denver Federal Center
Denver, CO 80225

Hours of Operation
The NEIC Library is open to the public by appointment. Please call or email the library if you wish to make an appointment.

Borrowing Policy and Interlibrary Loans

Library staff is available to assist users in identifying and accessing EPA’s publicly-searchable databases; electronic access to EPA technical reports, news, data sources & Internet sources; making referrals to EPA information sources; instructing in the use of the EPA Library Catalog and the EPA National Library Network.

To locate EPA library and repository materials, you can search the EPA National Library Catalog, EPA Libraries' online catalog. If you have any questions, please call or e-mail the library.

Information For Other Libraries: The NEIC Library provides Inter-Library Loans of unique Library materials to other libraries through the Interlibrary Loan system. Assistance is available with alternate loan methods as needed.  NEIC's OCLC symbol is EOB.

About the Collection

The NEIC Library is a specialized library.  Our collection includes specialized resources including information in the following areas:

• Chemical, engineering and scientific research capabilities
• Enforcement and compliance support for environmental enforcement investigations
• Background information on industries and processes
• Analytical methods
• Toxicological data
• Statutes, regulations, & related case information