||Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria ... : 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.
||Environmental Protection Agency, Washington, DC. Office of Water.
|| U.S. Environmental Protection Agency, Office of Water : Office of Science and Technology, Health and Ecological Criteria Division,
Water quality--West (U.S.) ;
Water quality--Standards--West (U.S.) ;
Nutrient pollution of water--West (U.S.) ;
Water--Pollution--West (U.S.) ;
United States, West.
Water quality ;
State government ;
American Indians ;
Water quality standards ;
Surface waters ;
Nutrient analysis ;
Nutrient ecoregion ;
Central Valley(California) ;
Clean Water Act ;
State law ;
Tribal law ;
Regional Technical Assistance Groups(RTAGs)
||Region 4 Library/Atlanta,GA
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||EPA developed the National Strategy for the Development of Regional Nutrient Criteria (National Strategy) in June 1998. The strategy presents EPA's intentions to develop technical guidance manuals for four types of waters (lakes and reservoirs, rivers and streams, estuaries and coastal waters, and wetlands) and produce section 304(a) criteria for specific nutrient Ecoregions by the end of 2000. In addition, the Agency formed Regional Technical Assistance Groups (RTAGS), which include State and Tribal representatives working to develop more refined and localized nutrient criteria based on approaches described in the waterbody guidance manuals. This document presents EPA's current recommended criteria for total phosphorous (TP), total nitrogen (TN), chlorophyll a, and turbidity for rivers and streams in Nutrient Ecoregion I, which were derived using the procedures described in the Rivers and Streams Nutrient Criteria Technical Guidance Manual (U.S. EPA, 2000b).
||"December 2001." "EPA-822-B-01-012."
||See also PB2001-101267.
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|Corporate Au Added Ent
||United States. Environmental Protection Agency. Office of Water.; United States. Environmental Protection Agency. Heath and Ecological Criteria Division.
||Information supporting the development of state and tribal nutrient criteria\ Rivers and streams in nutrient ecoregion I\ Willamette and Central Valleys
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