Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Nutrient removal and advanced waste treatment : [proceedings] Lloyd Center Auditorium, Portland, Oregon, February 5-6, 1969 / 1969
Nutrient Removal by Advanced Waste Treatment. 1973
Nutrient Removal from Enriched Waste Effluent by the Hydroponic Culture of Cool Season Grasses. 1969
Nutrient Removal from Wastewater by Physical-Chemical Processes. 1971
Nutrient Sources and Transport in the Upper and Central Regions of the Big Sioux River. 1973
Nutrient Trading for the Chesapeake Bay. 2001
Nutrient Trading for the Chesapeake Bay. 2001
Nutrient Trading in the Chesapeake Bay Watershed. Public Workshop Proceedings. Held in Maryland, Virginia, Pennsylvania and Washington, DC. in January 2001. 2001
Nutrient Transport and Dissolved Oxygen Budget Studies in the Potomac Estuary. 1972
Nutrient transport by sediment-water interaction. 1973
Nutrient, bacterial, and virus control as related to ground-water contamination / 1977
Nutrient-Algal Relationships in Lake Lillinonah, Danbury, Connecticut, June-September, 1975. 1975
Nutrient-Dissolved Oxygen Dynamics in Chesapeake Bay: The Roles of Phytoplankton and Micro-Heterotrophs under Summer Conditions, 1985. 1987
Nutrients and phytoplankton in Puget Sound 1991
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 1997. 1999
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 1999, and Trends, January 1985 Through December 1999. 2001
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2000, and Trends, January 1985 through December 2000. 2001
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2002, and Trends, January 1985 through December 2002. 2003
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2003, and Trends, January 1985 through December 2003. 2004
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2004, and Trends, January 1985 through December 2004. 2005
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2005, and Trends, January 1985 Through December 2005. 2006
Nutrients and Suspended Sediment Transported in the Susquehanna River Basin, 2006, and Trends, January 1985 Through December 2006. 2007
Nutrients for bacterial growth in drinking water : bioassay evaluation / 1989
Nutrients from Tile Drainage Systems. 1971
Nutrients from Tile Drainage Systems. 1971
Nutritional Ecology and Community Structure of the Phytoplankton of Green Bay. 1971
Nutritional ecology of nuisance aquatic plants / 1975
O'Shaughnessy Reservoir, Delaware County, Ohio. 1975
O. C. Fisher (San Angelo) Reservoir, Tom Green County, Texas. 1977
Oconomowoc Lake, Waukesha County, Wisconsin. 1975
Ohio Stream Regionalization Project: A Compendium of Results. 1988
Oily waste disposal by soil cultivation process / 1972
Okauchee Lake, Waukesha County, Wisconsin. 1975
Old Ben Mine Reservoir, Franklin County, Illinois. 1975
Olin Lake, LaGrange County, Indiana. 1976
Oliver Lake, LaGrange County, Indiana. 1976
On-farm improvements to reduce sediment and nutrients in irrigation return flow / 1984
Optimal Cost Control Strategies for Attached Algae. 1983
Optimization of Biological Recycling of Plant Nutrients in Livestock Waste by Utilizing Waste Heat from Cooling Water. 1982
Optimization of Biological Recycling of Plant Nutrients in Livestock Waste by Utilizing Waste Heat from Cooling Water. 1982
Optimization of nitrogen removal by rapid infiltration / 1985
Optimization of nitrogen removal by rapid infiltration / 1985
Optimization of nitrogen removal by rapid infiltration : volume 1 System description and evaluation / 1985
Optimizing a petrochemical waste bio-oxidation system through automation / 1975
Optimizing BTEX Biodegradation under Denitrifying Conditions. 1991
Optimum N:P Ratios and Coexistence of Planktonic Algae (Journal Version). 1980
Oradell Reservoir, Bergen County, New Jersey. 1976
Organic nutrient factors effecting algal growths / 1973
Otter Lake, Cayuga County, New York. 1974
Overland flow treatment of municipal wastewater in Florida 1984
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