Search Results for the EPA National Library Catalog

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National sediment bioaccumulation conference : proceedings. 1998
National Sediment Bioaccumulation Conference, September 11-13, 1996, Bethesda, Maryland : proceedings / 1998
National sediment contaminant point source inventory : analysis of facility release data. 1996
National sediment contaminant point source inventory : analysis of facility release data. 1996
National strategy for the development of regional nutrient criteria 1998
National Water Program Guidance, Fiscal Year 2012. 2011
Natural wetlands for wastewater polishing : Houghton Lake, Michigan. 1993
Near Infrared Aerial Photo-Detection of 'Zostera japonica' Communities in Pacific Northwest Estuarine Intertidal Habitats. 1999
New NEP's Announcement Talking Points. 1995
New Perspectives in Aquatic Redox Chemistry: Abiotic Transformations of Pollutants in Groundwater and Sediments. 1992
Nitrogen : multiple and regional impacts / 2002
Nonindigenous species : an emerging issue for the EPA. 2001
North Carolina's Estuaries: A Pilot Study for Managing Multiple Use in the State's Public Trust Waters. 1990
North Platte River Biological Survey Report October-November 1963. 1963
Notes and Lectures from Sanitary Engineering Training Course in Stream Sanitation Practices. 1948
Numerical Model for Three-Dimensional Hydrodynamic Transport: Documentation of the Computer Program. 1987
Numerical Model for Three-Dimensional, Variable-Density Hydrodynamic Flows: Documentation of the Computer Program. 1987
Nutrient Control in the Chesapeake Bay: A Statement Issued by the Scientific and Technical Advisory Committee (STAC), Chesapeake Bay Program. 1986
Nutrient Criteria For Florida Lakes: A Comparison of Approaches. 2002
Office of Wastewater Management 2011 Annual Report. 2012
Office of Wetlands, Oceans and Watersheds (OWOW) 2007 Annual Report. 2008
Office of Wetlands, Oceans and Watersheds : 2008 annual report. 2009
Ohio Basin Region. Summary Statement. Position on Thermal Pollution within the Ohio River Basin. 1968
Oligohaline Areas in Tampa Bay Tributaries: Spatial Extent and Species Lists. 1992
Optimum Macrobenthic Sampling Protocol for Detecting Pollution Impacts in the Southern California Bight. 1994
Overview of Case Studies on Recovery of Aquatic Systems from Disturbance. 1990
Overview of USEPA/Clear Lake Erie Sediment Oxygen Demand Investigations during 1979. 1987
Oyster Reef Restoration Project for the City of Dover. A Final Report to the New Hampshire Estuaries Project. 2006
Pacific Northwest Nitrogen and Sulfur Deposition Critical Loads Workshop. Workshop Summary Report. 2006
Penobscot River and Environmental Contaminants: Assessment of Tribal Exposure through Sustenance Lifeways. 2015
Persistence of a Surrogate for a Genetically Engineered Cellulolytic Microorganism and Effects on Aquatic Community and Ecosystem Properties: Mesocosm and Stream Comparisons. 1993
Personal Computers and Environmental Engineering. Part 1. Trends and Perspectives. 1987
Perspectives on the Chesapeake Bay, 1990: Advances in Estuarine Sciences. 1990
Pesticide Inputs and Risks in Coastal Wetlands. 1993
Pesticides in natural systems : how can their effects be monitored? : Proceedings of the conference. 1991
Physical and Chemical Factors That Influence the Anaerobic Degradation of Methyl Parathion in Sediment Systems. 1986
Physical and Chemical Stratification in Two High Altitude Reservoirs of the Colorado River Basin. 1963
Physical Impacts to Habitats in Tampa Bay. 1994
Physiological Limitations on Phytoplankton Productivity in the Ocean. 1992
Phytoplankton and zooplankton composition, abundance and distribution and trophic interactions : offshore region of Lakes [i.e. Lake] Erie, Lake Huron and Lake Michigan : 1985 / 1989
Pilot Study to Evaluate Biological, Physical, Chemical and Land-Use Characteristics in Maryland Coastal Plain Streams. 1993
Pilot Study to Evaluate Biological, Physical, Chemical, and Land-Use Characteristics in Maryland Coastal Plain Streams. Year 2. 1995
Pintail Lake and Redhead Marsh : created wetlands in Northern Arizona. 1993
PIRLA Project (Paleoecological Investigation of Recent Lake Acidification): An Introduction to the Synthesis of the Project. 1990
Piscataqua Region Estuaries Partnership Comprehensive Conservation and Management Plan Update: Stakeholder Input and Meeting Summary Report. 2009
Plants and pollutants in developed and developing countries 1989
Pollutant Dynamics as Influenced by Seagrass Beds: Experiments with Tributyltin in 'Thalassia' Microcosms. 1990
Pollution of Slocum Creek, Havelock, North Carolina. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration. 1969
Pollution of Slocum Creek, Havelock, North Carolina. Appendices. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration. 1969
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems. 1989
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