Search Results for the EPA National Library Catalog

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Select Item Title Year Published
15N Natural Abundance and (15)N Labelling Studies in Forest Ecosystems. 1994
Acid Aerosol Measurement Intercomparison Workshop : April 10-11, 1991, Research Triangle Park, N.C. : final report / 1992
Acid Aerosol Measurement Methods: A Summary of U.S. EPA Intercomparisons. 1993
Acid precipitation in North America : 1986 annual and seasonal data summary from acid deposition system data base / 1989
Acid precipitation in North America : 1986 annual and seasonal data summary from acid deposition system data base / 1989
Acute Oral Toxicity Study on Perfluorinated Aliphatic Carboxylic Acid, Ammonium Salt. 2006
Acute Toxicity of Praepagen HY to the Freshwater Alga, Selenastrum capricornutum. 2001
Air pollution from nitration processes. 1972
Air Quality Data for 1968, from the National Air Surveillance Networks and Contributing State and Local Networks. 1972
Air quality data for nonmetallic inorganic ions : NH4+, NO3-, SO4=, 1976, from the National Air Surveillance Networks / 1979
Air quality data for nonmetallic inorganic ions : nh4+, n03-, s04= - 1975 - from the national air surveillance networks. 1978
Air quality data for nonmetallic inorganic ions, 1969 and 1970, from the National Air Surveillance Networks. 1973
Air Quality Data from the National Air Surveillance Networks and Contributing State and Local Networks 1966 Edition. 1968
Algal nutrient availability and limitation in Lake Ontario during IFYGL : Part II. Nitrogen available in Lake Ontario tributary water samples and urban runoff from Madison, Wisconsin / 1977
Algal Nutrient Studies of the Potomac Estuary. 1977
Algicides. 1971
Ammonia absorption/ammonium bisulfate regeneration pilot plant for flue gas desulfurization / 1977
Ammonia Absorption/Ammonium Bisulfate Regeneration Pilot Plant for Flue Gas Desulfurization. 1977
Ammonium nitrate : technical information for problem spills / 1984
Ammonium nitrate manufacturing industry, technical document / 1981
Ammonium nitrate manufacturing industry, technical document / 1981
Ammonium Perfluorooctanoate: 28-Day Immunotoxicity Study in Male Rats. 2007
Ammonium Perfluorooctanoate: 28-Day Immunotoxicity Study in Male Rats. 2007
Ammonium Perfluorooctanoate: Cross-Sectional Surveillance of Clinical Measures of General Health Status Related to a Serum Biomarker of Exposure and Retrospective Cohort Mortality Analyses in a Polymer Production Plant. 2005
Ammonium Perfluorooctanoate: Phase II. Retrospective Cohort Mortality Analyses Related to a Serum Biomarker of Exposure in a Polymer Production Plant. 2007
Ammonium sulfamate : health advisory / 1988
Ammonium sulfamate : health advisory / 1987
Ammonium sulfamate : pesticide registration standard. 1981
Ammonium sulfate and bisulfate formation in air preheaters / 1982
Ammonium sulfate and bisulfate formation in air preheaters {microform} / 1982
Ammonium sulfate manufacture : background information for promulgated emission standards / 1980
Ammonium sulfate manufacture : background information for proposed emission standards / 1979
Ammonium uptake by coral reefs : effects of water velocity and surface roughness on mass transfer / 1997
Ammonium-Carbonate leaching of metal values from water-treatment sludges / 1977
An evaluation of control needs for the nitrogen fertilizer industry / 1979
Analyses of Cytogenetic Damage in Rodents Following Exposure to Simulated Groundwater Contaminated with Pesticides and a Fertilizer. 1993
Analysis of acid precipitation samples collected by state agencies : sampling period January-December 1990 (annual report) / 1992
Analysis of acid precipitation samples collected by state agencies--sampling period January 1991-December 1991 : annual report / 1996
Analysis of acid precipitation samples collected by state agencies--sampling period January 1992-December 1992 / 1995
Analysis of Acid Precipitation Samples Collected by State Agencies. Sampling Period: January-December 1993. 1996
Analysis of thermal decomposition products of flue gas conditioning agents / 1979
Aqueous ammonia equilibrium : tabulation of percent un-ionized ammonia / 1979
Assessment of Bulk Atmospheric Deposition to the Tampa Bay Watershed. 1996
Automatic Determination of Ammonia Nitrogen in Mineral Compounds (Dosage Automatique de l'Azote Ammoniacal dans les Mineralisats). 1961
Availability and Uptake of Inorganic Nitrogen in a Mixed Old-Growth Coniferous Forest. 1993
AWWA standard for ammonium sulfate. 1990
AWWA standard for ammonium sulfate. 1996
Bacterial Growth Efficiency on Natural Dissolved Organic Matter. 1993
Best Management Practices for Agricultural Nonpoint Source Control. 4. Pesticides. 1984
Biological effects of ammonium salts and dilute treated petroleum refinery affluent on estuarine aufwuchs, phytoplankton, and fish communities / 1974
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