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Search Results for the EPA National Library Catalog
Items Found: 4800
Showing: Items 4251 - 4300
Your Search: (SUBJECT=nitrogen)
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Title
Year Published
4251
Status of Dry SO2 Control Systems: Fall 1982.
1983
4252
Status of Dry SO2 Control Systems: Fall 1983.
1984
4253
Status of Research to Develop Acidic Dry Deposition Monitoring Capability.
1983
4254
Status of Sulfur Oxides Control Technology.
1996
4255
Status Report on Acid Precipitation and Its Biological Consequences as of April 1981.
1982
4256
Status Report on the Development of the NAPAP (National Acid Precipitation Assessment Program) Emission Inventory for the 1980 Base Year and Summary of Preliminary Data.
1984
4257
Status report on the development of the NAPAP emission inventory for the 1980 base year and summary of preliminary data /
1985
4258
Status report on the development of the NAPAP emission inventory for the 1980 base year and summary of preliminary data /
1984
4259
Storm Event Sampling of Two Low Alkalinity Southwestern Arkansas Streams.
1988
4260
Storm Water Pollution from Urban Land Activity.
1970
4261
Strategic Assessment of Near Coastal Waters: Northeast Case Study. Chapter 3. Susceptibility and Concentration Status of Northeast Estuaries to Nutrient Discharges.
1988
4262
Stream Nutrient Levels and Proximity of Agricultural and Forest Land to Streams: Some Relationships.
1981
4263
Streamside Effect in a 'Carex lyngbyei' Estuarine Marsh: The Possible Role of Recoverable Underground Reserves.
1981
4264
Strip mine drainage - Aquatic impact assessment /
1979
4265
Strip mine reclamation with municipal sludge. /
1984
4266
Structure-Toxicity Relationships of Selected Nitrogenous Heterocyclic Compounds. 3. Relations Using Molecular Connectivity.
1982
4267
Strychnine and Strychnine Sulfate: Position Document 1.
1976
4268
Student's workbook for vehicle emissions control training /
1977
4269
Studies of Emissions from Gasoline-Powered Vehicles Above 6,000-lb. Gross Vehicle Weight.
1970
4270
Studies of NOx reactions and O
3
transport in Southern California, fall 1976 /
1983
4271
Studies of NOx Reactions and O3 Transport in Southern California - Fall, 1976.
1983
4272
Studies of the agricultural contribution to nitrate enrichment of groundwater and the subsequent loading to surface waters /
1978
4273
Studies of the Fluidized Lime-Bed Coal Combustion Desulfurization System. Part 1. Design of the High Pressure Fluidized Bed Combustion Lime Regeneration Pilot Unit - The FBCR Miniplant. Part 2. Factors Affect ing NOx Formation and Control in Fluidized Bed Combustion.
1971
4274
Studies of the Influence of Lagoons and Landfills on Groundwater Quality.
1972
4275
Studies of the pressurized fluidized-bed coal combustion process /
1976
4276
Studies of the pressurized fluidized-bed coal combustion process /
1977
4277
Studies on Algae from Eutrophic and Oligotrophic Waters and Their Use in the Bio-Assay of Water Quality.
1970
4278
Studies on Modifications of Solid Industrial Wastes.
1973
4279
Studies to determine methods for culturing three freshwater zooplankton species /
1975
4280
Study of a thermal aerosol oil burner /
1977
4281
Study of aerosol information in photochemical air pollution /
1975
4282
Study of Air Pollutants by Microwave Spectroscopy.
1972
4283
Study of Air Pollution Around the Nitrogen Fertilizer Plant Near Stara Zagora and its Effect on the Health of the Population (Prouchsvane Zamursyavaneto na Atmosferniya Vuzdukh v Rayona na Azotnotoroviya Zavod krai Stara Zagora i Vliyanieto mu Vurkhu Zdraveto na Naselenieto).
1971
4284
Study of Air Pollution Aspects of Various Roadway Configurations.
1971
4285
Study of Aircraft Powerplant Emissions.
1971
4286
Study of ammonia removal in coal gasification processes : final report /
1988
4287
Study of Automobile Exhaust Emissions in Consumer-Owned Vehicles, Great Plains Surveillance Program, 1968-1969 Model Vehicles.
1969
4288
Study of Automobile Exhaust Emissions in Consumer-Owned Vehicles, National Surveillance Program, 1970-Model Vehicles.
1970
4289
Study of Automobile Exhaust Emissions in Consumer-Owned Vehicles, National Surveillance Program, 1971-Model Vehicles.
1971
4290
Study of Characterization and Control of Air Pollutants from a Fluidized-Bed Combustion Unit. The Carbon-Burnup Cell.
1972
4291
Study of decomposed methanol as a low emission fuel : final report /
1971
4292
Study of effectiveness of a catalytic combustion device on a wood burning appliance. {MICROFICHE}
1984
4293
Study of emissions from 1966 through 1976 model year light-duty vehicles in Los Angeles, St. Louis, and Washington, D.C. /
1977
4294
Study of Emissions from 1966-1972 Light Duty Vehicles in Los Angeles and St. Louis.
1973
4295
Study of Emissions from 1966-1972 Light-Duty Vehicles in Washington, D.C..
1973
4296
Study of emissions from heavy duty vehicles /
1976
4297
Study of Emissions from Light Duty Vehicles in Denver, Houston and Chicago, Fiscal Year 1972.
1973
4298
Study of Emissions from Light Duty Vehicles in Six Cities.
1973
4299
Study of Environmental Impact and Environmental Damage from City Traffic - Noise and Exhaust Gases.
1973
4300
Study of exhaust emissions from 1966 through 1976 model year light-duty vehicles in Denver, Chicago, Houston, and Phoenix /
1977
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