Wastewater technology fact sheet : intermittent sand filters.

Bibliographic Details
Corporate Author:	United States. Environmental Protection Agency. Office of Water
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : United States Environmental Protection Agency, [1999]
Subjects:	Water > Purification > Sand filtration > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS45368

Available Online