Title from title screen (viewed on Sept. 23, 2003). "September 2001." "EPA/625/R-01/007."
Technical Details:
System requirements: Adobe Acrobat Reader required. Mode of access: Internet from the EPA Office of Research and Development web site. Address as of 9/23/2003: http://www.epa.gov/ORD/NRMRL/Pubs/625R01007/625R01007.pdf; current access available via PURL.