Description
Note:Title from title screen (viewed on Aug. 16, 2004).
"March 2003."
"EPA 841-B-03-003."
Electronic resource.
Call Number:EP 8.2:2004025062
Bibliography Note:Includes bibliographical references.
System Details:Mode of access: Internet from the EPA web site. Address as of 8/16/2004: http://www.epa.gov/owow/monitoring/elements/elements03%5f14%5f03.pdf; current access available via PURL.