http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
conceptual framework for U.S. EPA's National Exposure Research Laboratory
National Exposure Research Laboratory (U.S.)
A Conceptual Framework for the U.S. EPA's National Exposure Research Laboratory provides a foundation for addressing NERL's research mission and its scientific leadership goals. The document defines the domain of exposure science; describes the uses for exposure science within the EPA; and provides the principles for developing and implementing NERL research within the context of the conceptual framework.
U.S. Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory.
Title taken from title screen (viewed May 8, 2009).
Mode of access: World Wide Web from the EPA web site. Address as of 7/10/09: http://www.epa.gov/nerl/documents/nerl%5Fexposure%5Fframework.pdf ; current access is available via PURL.
System requirements: Adobe Acrobat Reader.