Search Results for the EPA National Library Catalog

Items Found: 28
Showing: Items 1 - 28
Your Search: (SUBJECT=Nitrogen Environmental aspects)

Select Item Title Year Published
A decision support framework to facilitate nitrogen load reductions in Long Island Sound (LIS) watershed / 2006
Age and quality of ground water and sources of nitrogen in the surficial aquifers in Pumpkin Creek Valley, western Nebraska, 2000 2005
Airborne pollution load to the Baltic Sea, 1986-1990. 1991
Alternatives for nitrogen control at the Tennessee Eastman Company Kingsport, Tennesse / 1978
An updated summary of status and trends in indicators of nutrient enrichment in the Gulf of Mexico / 1992
Carbon, nitrogen, and sulfur pollutants and their determination in air and water 1990
Chesapeake Bay nutrient input study / 1972
Critical loads for nitrogen a workshop report / 1992
Ecosystem stress from chronic exposure to low levels of nitrate / 2005
Exchange of nitrogen and phosphorus with sediment of the brackish water marshes of Lavaca Bay, Texas : thesis / 1975
Fate and effects of nitrogen and phosphorous in shallow vegetated aquatic ecosystems / 2006
Nitrogen and Co-Pollutants : Research Roadmap. 2015
Nitrogen and phosphorus in wastewater effluents, working paper no. 22, a prelim. analysis of Nat. Eutrophication Survey data collected during the 1972-73 sampling period. 1974
Nitrogen in the environment / 1978
Nitrogen transformation processes in agricultural watershed soils : final report on project 11, Agricultural watershed studies / 1978
Nitrogen, public health, and the environment : some tools for critical thought 1982
Nutrient dynamics and gas production in aquatic ecosystems : the effects and utilization of mercury and nitrogen in sediment-water microcosms 1975
Opportunities in nitrogen management research : improving applications for proven technologies and identifying new tools for managing nitrogen flux and input in ecosystems / 2002
Optimizing nitrogen management in food and energy production and environmental protection : contributed papers from the 2nd International Nitrogen Conference, 14-18 October 2001, Potomac, Maryland, USA / 2002
Reactive nitrogen in the United States : an analysis of inputs, flows, consequences, and management options. 2011
Reducing nutrient loads, especially nitrate-nitrogen, to surface water, groundwater, and the Gulf of Mexico : topic 5, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93 1999
Sulphur and nitrogen compounds in air and precipitation in Sweden, 1980-1992 / 1994
Summary and conclusions from the forthcoming Technical report 56 : "Nutrient enrichment and control requirements in the upper Chesapeake Bay" / 1973
Summary of NCASI's effluent nutrient biodegradation study results / 2009
Technical basis for developing control strategies for high ambient concentrations of nitrogen dioxide. 1980
The inadequate environment : nitrogen and the abundance of animals / 1993
Waquoit Bay watershed ecological risk assessment : the effect of land-derived nitrogen loads on estuarine eutrophication. 2002

Save, Print or Email Selected Records