[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1998]
Physical Details
1 electronic text : HTML file
data file
OCLC
ocm64667128
Title from title screen (viewed on Mar. 14, 2006).
"December 1998."
"EPA 821-F-98-018."
Mode of access: Internet from the EPA web site. Address as of 3/14/2006: http://www.epa.gov/waterscience/guide/cwt/cwtfs.html; current access available via PURL.