Description
Item Description:Title from title screen (viewed on Jan. 2, 2009).
"January 2009."
"EPA 910-R-08-004."
Electronic resource.
Physical Description:60 unnumbered pages : digital, PDF file.
Format:Mode of access: Internet from the EPA web site. Address as of 6/1/09: http://yosemite.epa.gov/r10/ECOCOMM.NSF/Columbia/SoRR/$FILE/SORR-columbia-09-Full.pdf ; current access available via PURL.
Bibliography:Includes bibliographical references (pages 43-49).