Search Results for the EPA National Library Catalog

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Concentrations of selected herbicides, herbicide metabolites, and nutrients in outflow from selected midwestern reservoirs, April 1992 through September 1993 1996
Concentrations of selected herbicides, two triazine metabolites, and nutrients in storm runoff from nine stream basins in the midwestern United States, 1990-92 1994
Concentrations, fluxes, and yields of nitrogen, phosphorus, and suspended sediment in the Illinois River Basin, 1996-2000 / 2006
Considerations and statistical approaches for effects-based site-specific numeric nutrient criteria / 2013
Dead in the water 2006
Development, calibration, and analysis of a hydrologic and water-quality model of the Delaware Inland Bays watershed / 2003
Dillon clean lakes study final report / 1983
Draft nutrient criteria technical guidance manual : wetlands. 2007
Draft report on green tide monitoring survey for 1986 1987
Ecological and economic consequences of hypoxia : topic 2, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Effect of discharge and water quality of the Alafia River, Hillsborough River, and the Tampa Bypass Canal on nutrient loading to Hillsborough Bay, Florida 1996
Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management 1996
Effects of nutrient enrichment in the nation's estuaries : a decade of change : National Estuarine Eutrophication Assessment update / 2007
Effects of reducing nutrient loads to surface waters within the Mississippi River Basin and the Gulf of Mexico : report of Task Group 4 / 1999
Environmental characteristics and geographic information system applications for the development of nutrient thresholds in Oklahoma streams 2002
EPA Needs to Accelerate Adoption of Numeric Nutrient Water Quality Standards. 2009
Establishing relationships among in-stream nutrient concentrations, phytoplankton abundance and composition, fish IBI and biochemical oxygen demand in Minnesota USA rivers : final report to USEPA Region V / 2003
Estimated nutrient concentrations and continuous water-quality monitoring in the Eucha-Spavinaw Basin, northwestern Arkansas and northeastern Oklahoma, 2004-2007 / 2008
Estimated responses of water quality on the Louisiana Inner Shelf to nutrient load reductions in the Mississippi and Atchafalaya Rivers : revised final report / 1995
Estimation of nutrient and suspended-sediment loads in the Patuxent River Basin, Maryland, water years 1986-90 / 1997
Estuarine nutrient cycling : the influence of primary producers : the fate of nutrients and biomass / 2010
Estuarine nutrient cycling : the influence of primary producers : the fate of nutrients and biomass / 2004
Evaluating the effects of nearshore development on Wisconsin lakes / 2006
Evaluating the variability of sediment and nutrient loading from riverine systems into Texas estuaries and bays / 2011
Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on quality of surface runoff at a small carbonate-rock site near Ephrate, Pennsylvania, 1984-90 / 1997
Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on water quality in the Little Conestoga Creek Headwaters, 1983-89 / 1996
Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania effects of pipe-outlet terracing on quantity and quality of surface runoff and ground water in a small carbonate-rock basin near Churchtown, Pennsylvania, 1983-89 / 1997
Evaluation of criteria for determining limiting nutrients in surface waters. 1973
Evaluation of the economic costs and benefits of methods for reducing nutrient loads to the Gulf of Mexico : topic 6, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Fact Sheet: Aquatox Release 1: Simulation Model for Aquatic Ecosystems 2000
Factors affecting nutrient trends in major rivers of the Chesapeake Bay Watershed / 2000
Final report : Gulf Hypoxia and Local Water Quality Concerns Workshop : organized by UMRSHNC, the Upper Mississippi River Sub-basin Hypoxia Nutrient Committee : 26-28 September 2005 Ames, Iowa. 2008
Flux and sources of nutrients in the Mississippi-Atchafalaya River Basin : topic 3 report / 1999
Flux and sources of nutrients in the Mississippi-Atchafalaya River Basin : topic 3, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River Basin, North Carolina, 1999-2002 / 2005
Ground-water quality assessment of the Georgia-Florida Coastal Plain Study Unit : analysis of available information on nutrients, 1972-92 / 1996
Growing influence : the political power of agribusiness and the fouling of America's waterways / 2011
Handbook of groundwater remediation using permeable reactive barriers : applications to radionuclides, trace metals, and nutrients / 2002
Hypoxia in the northern Gulf of Mexico / 2010
Identifying nutrient reference sites in nutrient-enriched regions : using algal, invertebrate, and fish-community measures to identify stressor-breakpoint thresholds in Indiana rivers and streams, 2005-9 / 2013
Influence of ground water on nitrate loads of streams in the Upper Rock Creek basin, Montgomery County, Maryland 2000
Integrated assessment of hypoxia in the northern Gulf of Mexico. 2000
Land use and nutrient concentrations and yields in selected streams in the Albemarle-Pamlico Drainage Basin, North Carolina and Virginia 1995
Linking nutrients to alterations in aquatic life in California wadeable streams / 2014
Managing manure nutrients at concentrated animal feeding operations : draft guidance. 2001
Managing manure nutrients at concentrated animal feeding operations. 2004
Managing manure nutrients at concentrated animal feeding operations. 2004
Managing manure nutrients at concentrated animal feeding operations. 2004
Managing manure nutrients at concentrated animal feeding operations. 2004
Managing nutrients to prevent pollution : conference summary and recommendations for action : Nutrient Management Regional Conference March 13-14, 1996 / 1996
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