Search Results for the EPA National Library Catalog

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Showing: Items 401 - 450
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An Assessment of tropospheric ozone pollution : a North American perspective / 2000
An evaluation of a variable cam timing technique as a control method for oxides of nitrogen / 1970
An evaluation of an aldehyde specific detector for gas chromatography and some reactions of sulfur dioxide-nitrogen dioxide-aldehyde mixtures in air / 1974
An evaluation of arsenite procedure for determination of nitrogen dioxide in ambient air / 1974
An evaluation of control needs for the nitrogen fertilizer industry / 1979
An Evaluation of High Altitude Engine Modification Devices (Econo-Kit) 1976
An evaluation of restorative maintenance on exhaust emissions from 1975/1976 model year in-use automobiles / 1977
An evaluation of strategies for airport air pollution control / 1975
An evaluation of TGS-ANSA procedure for determination of nitrogen dioxide in ambient air / 1974
An evaluation of the cost of point source nitrogen limits of treatment implementation in the Chesapeake Bay watershed / 2001
An Evaluation of the particulate levels occurring under 1.0/1.2 g/mi NOx standards for LDDVs and LDDTs / 1984
An experimental study of oxidants and organics in urban atmospheres / 1955
An experimental study of oxidants and organics in urban atmospheres / 1956
An experimental study of oxidants and organics in urban atmospheres / 1955
An improved manual method for NOx emission measurement / 1972
An Initial evaluation of the impact of pesticides on groundwater in Illinois : report to the Illinois Legislature. 1990
An instrument for simultaneous monitoring NOx and SO2 in stationary sources / 1973
An interim report on motor vehicle emission estimation / 1973
An introduction to continuous emission monitoring programs / 1983
An investigation of diesel-powered vehicle odor and smoke. final report / Part III : 1969
An investigation of ion removal from water and wastewater / 1973
An investigation of remote sensing devices for chemical characterization of motor vehicle exhaust : final report / 1998
An updated summary of status and trends in indicators of nutrient enrichment in the Gulf of Mexico / 1992
An urgent call to action : report of the State - EPA Nutrient Innovations Task Group / 2009
Anaerobic and aerobic treatment of combined potato processing and municipal wastes / 1976
Anaerobic Biodegradation of Nitrogen-Substituted and Sulfonated Benzene Aquifer Contaminants. 1989
Anaerobic Filter for the Denitrification of Agricultural Subsurface Drainage. 1969
Analiticheskii obzor zagriazneniia atmosfery soedineniiami sery i azota i otsenka ikh vypadenii v fonovykh raionakh vostochno-evropeiskikh stran--chlenov SEV, 1982-1987 gg. 1988
Analysis of acid precipitation samples collected by state agencies, 1988 / 1990
Analysis of Acid Precipitation Samples Collected by State Agencies: January-December 1987. 1989
Analysis of Air Pollution and Its Health Effects: Washington, DC. Metropolitan Area. 1979
Analysis of Aircraft Exhaust Emission Measurements. 1971
Analysis of Alternative Policies for Attaining and Maintaining a Short-Term NO2 Standard. 1979
Analysis of Alternative Policies for Attaining and Maintaining a Short-Term NO2 Standard. Executive Summary. 1979
Analysis of Alternative Policies for Dealing with New Source Growth in Nonattainment Areas: Oxides of Nitrogen. Study Area: Philadelphia AQCR. 1980
Analysis of commercial cylinder gases of nitric oxide, sulfur dioxide, and carbon monoxide at source concentrations : results of audit 5 / 1981
Analysis of Commercial Nitric Oxide Protocol Gases: A Quality Assurance Audit. 1992
Analysis of EPA (Environmental Protection Agency) Protocol Gases Used for Calibration and Audits of Continuous Emission Monitoring Systems and Ambient Air Analyzers - Results of Audit 6. 1985
Analysis of Final State Implementation Plans: Rules and Regulations. 1972
Analysis of high NO2 concentrations in California, 1975-1977 / 1979
Analysis of in-house I/M testing of a three-way Chevrolet Citation and a three-way Dodge Aspen. 1980
Analysis of Indirect Emissions Benefits of Wind, Landfill Gas, and Municipal Solid Waste Generation. 2008
Analysis of long-term NO emission data from pulverized coal-fired utility boilers / 1983
Analysis of Long-Term No Emission Data from Pulverized Coal-Fired Utility Boilers. Volume I. Technical Analysis. 1983
Analysis of Long-Term No Emission Data from Pulverized Coal-Fired Utility Boilers. Volume II. Appendices. 1983
Analysis of Los Angeles Atmospheric Reaction Data from 1968 and 1969. 1970
Analysis of low NOx operation of two pulverized coal-fired utility boilers / 1984
Analysis of Low NOx Operation of Two Pulverized-Coal Fired Utility Boilers. 1983
Analysis of natural gas liquid mixtures containing nitrogen and carbon dioxide by gas chromatography / 2013
Analysis of nitrite in no2 diffusion tubes using ion chromatography : project summary / 1987
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