Title from title screen (viewed on Sep. 1, 2004). "mayo de 2000." "EPA 815-F-00-008."
Bibliography Note
Includes bibliographical references.
Technical Details
Mode of access: Internet from the EPA web site. Address as of 9/1/2004: http://www.epa.gov/safewater/agua/estableciendo.html; current access available via PURL.
Action Note
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