Estándares del reglamento nacional primario de agua potable.

Bibliographic Details
Corporate Author:	United States. Environmental Protection Agency. Office of Water
Format:	Government Document Book
Language:	Spanish
Published:	[Washington, D.C.] : Agencia de Proteccion Ambiental de los Estados Unidos, Oficina de Agua, [2000]
Subjects:	Drinking water > Purification > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS51420

Description
Item Description:	Title from title screen (viewed on Sep. 2, 2004). "abril de 2000." "EPA 815-F-00-007." Electronic resource.
Format:	Mode of access: Internet from the EPA web site. Address as of 9/2/2004: http://www.epa.gov/safewater/agua/estandares.html; current access available via PURL.