Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Naphthalene : ambient water quality criteria / 1978
National Environmental Specimen Bank survey / 1976
National environmental watch prototype / [electronic resource] : 1994
National estuary program guidance : base program analysis. 1993
National estuary program guidance : technical characterization in the National Estuary Program. 1994
National guidance : best management practices for preparing vessels intended to create artificial reefs / 2006
National Health and Environmental Effects Research Laboratory : 1995 Annual report / 1996
National Health and Environmental Effects Research Laboratory : an annual report of accomplishments for fiscal year 2001 / 2002
National management measures to control nonpoint source pollution from forestry. 2005
National recommended water quality criteria : 2002 / 2002
National Recommended Water Quality Criteria, 2006. 2006
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 strategy for the development of regional nutrient criteria 1998
National Summary of State Water Quality Standards: Phophorus, September 1980. 1980
National Water Program Guidance, Fiscal Year 2012. 2011
National water quality inventory 1992 report to Congress. 1994
National water quality inventory : 1988 report to the Congress. 1990
National water quality inventory : 1990 report to the Congress. 1992
National Wetland Condition Assessment 2011: A Collaborative Survey of the Nation©¢â‚¬â„¢s Wetlands. 2016
Nationwide Urban Runoff Project, Champaign, Illinois: The Biological Impact of Urban Runoff on the Saline Branch Drainage Ditch and Boneyard Creek. 1984
Native aquatic bacteria : enumeration, activity, and ecology : a symposium / 1979
Natural wetlands for wastewater polishing : Houghton Lake, Michigan. 1993
Nature and Significance of the Recent Carbonate Mound Record The Mound Challenger Code / [electronic resource] : 2009
Nautilus The Biology and Paleobiology of a Living Fossil, Reprint with additions / [electronic resource] : 2010
Near Infrared Aerial Photo-Detection of 'Zostera japonica' Communities in Pacific Northwest Estuarine Intertidal Habitats. 1999
Near infrared aerial photo-detection of Zostera Japonica communities in Pacific Northwest estuarine intertidal habitats / 2000
Need and Value of Water Quality Criteria with Special Reference to Aquatic Life. 1960
Neoplasia in Soft-Shell Clams (Mya arenaria) Collected from Oil-Impacted Sites. 1977
New approaches to monitoring aquatic eco-systems : a symposium / 1987
New Environmental Effects Test Guidelines. 1983
New Fathead Minnow (Pimephales promelas) Subchronic Toxicity Test. 1985
New Hampshire Estuaries Project 2004 Progress Report. 2004
New Hampshire Estuaries Project 2007 Progress Report. 2007
New Method for Determining Effluent Toxicity Using Duckweed 'Lemna minor'. 1990
New Multiple Sieve Design for Screening Bottom Samples. 1969
New NEP's Announcement Talking Points. 1995
New Perspectives in Aquatic Redox Chemistry: Abiotic Transformations of Pollutants in Groundwater and Sediments. 1992
New Species of 'Stenonema' (Ephemeroptera: Heptageniidae) from Eastern North America. 1977
New Zealand Freshwater Fishes an Historical and Ecological Biogeography / [electronic resource] : 2010
Nickel : ambient water quality criteria / 1978
Nineteenth International Seaweed Symposium Proceedings of the 19th International Seaweed Symposium, held in Kobe, Japan, 26-31 March, 2007. / [electronic resource] : 2009
Ninety-six Toxicity Study to Marine Diatoms, an Early Life-Stage Toxicity Study to Sheepsherd Minnow and a Chronic Toxicity to Marine Mysid Shrimp. 2007
Ninth Annual Report, Water Resources Research Center. 1973
Nitrates. 1971
Nitrobenzene : ambient water quality criteria. 1978
Nitrogen : multiple and regional impacts / 2002
Nitrogen Turnover in Impoundments. 1973
Nitrogen-ammonia/nitrate/nitrite : water quality standards criteria summaries a compilation of state/federal criteria / 1988
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