Cincinnati, Ohio : National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 
Title from title screen (viewed on June 11, 2003).
System requirements: Adobe Acrobat Reader.
Mode of access: Internet from the EPA Web site. Address as of 8/11/2003: http://www.epa.gov/ORD/WebPubs/exchange/EPA600R00088.pdf; current access is available via PURL.