Description
Item Description:Title from title screen (viewed on Oct. 20, 2008).
"April 2007."
"EPA/600/R-05/007."
Electronic resource.
Physical Description:114 unnumbered pages : digital, PDF file.
Format:Mode of access: Internet from the EPA web site. Address as of 10/20/08: http://www.epa.gov/naaujydh/pages/publications/authored/GCC%5Freport%5Fweb.pdf ; current access available via PURL.
Bibliography:Includes bibliographical references.