Title from title screen (viewed on June 8, 2009). "August 2002 (revised)." "EPA 744-F-00-019."
Technical Details:
Mode of access: Internet from the EPA web site. Address as of 6/8/09: http://www.epa.gov/dfe/pubs/tools/dfefactsheet/dfefacts8-02.pdf; current access available via PURL.