Wastewater technology fact sheet
Subtitle: rock media polishing filter for lagoons
Publisher: U.S. Environmental Protection Agency, Office of Water
Published: 2002
Place of publication: Washington, D.C.]
Language: eng
Format: [electronic resource] :
Subjects: Sewage; Purification; Filtration
Other titles: Rock media polishing filter for lagoons
Notes: Title from title screen (viewed Aug. 26, 2004).

"September 2002."

"EPA 832-F-02-023."

Includes bibliographical references.

Mode of access: Internet from the EPA web site. Address as of 8/26/2004: http://www.epa.gov/OW-OWM.html/mtb/polfilla.pdf; current access available via PURL.