Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion I - Willamette and central valleys including all or parts of the states of Washington, Oregon, and California, and the authorized tribes within the region.

Bibliographic Details
Corporate Author:	United States. Environmental Protection Agency. Health and Ecological Criteria Division
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, [2001]
Subjects:	Water quality > Government policy > Washington (State) Water quality > Government policy > Oregon. Water quality > Government policy > California.
Online Access:	https://purl.fdlp.gov/GPO/LPS67103

Description
Item Description:	"December 2001." "EPA 822-B-01-012." Title from title screen (viewed on Mar. 8, 2006). Electronic resource.
Physical Description:	125 pages : digital, PDF file.
Format:	Mode of access: Internet from the EPA web site. Address as of 3/8/2006: http://www.epa.gov/waterscience/criteria/nutrient/ecoregions/rivers/rivers%5f1.pdf; current access available via PURL.