Consider the source
Subtitle: a pocket guide to protecting your drinking water
Contributors: United States. Environmental Protection Agency
Publisher: U.S. Environmental Protection Agency
Published: 2002
Place of publication: Washington, D.C
Language: eng
Format: Electronic resource
Subjects: Drinking water -- Law and legislation -- United States; Water -- United States -- Analysis -- Handbooks, manuals, etc
Genres: Handbooks, manuals, etc
Notes: Title from title screen (viewed on Aug, 15, 2005)

"Drinking water pocket guide no.3."

"June 2002."

"EPA 816-K-02-002."

Mode of access: Internet from the EPA web site.  Address as of 8/15/2005: http://www.epa.gov/safewater/protect/pdfs/swppocket.pdf; current access available via PURL