Search Results for the EPA National Library Catalog

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Occurrence of Nitrate in Drinking Water, Food and Air. 1985
Occurrence, quantity, and quality of ground water in Taylor County, Texas 1978
Oil Shale Development and Its Secondary Impacts - a Land Planning Perspective 1974
Oil shale, water resources, and valuable minerals of the Piceance basin, Colorado : the challenge and choices of development / 1987
Optimization and variation reduction in quality / 1991
Ore Textures Recognition and Interpretation / [electronic resource] : 2009
Osmotic and ionic regulation in animals, 1964
Overview of Case Studies on Recovery of Aquatic Systems from Disturbance. 1990
Oxidant air pollutant effects on a western coniferous forest ecosystem : Task A report : planning conference / 1971
Oxidant air pollutant effects on a western coniferous forest ecosystem : task B [report] : historical background and proposed systems study of the San Bernardino Mountain area / 1973
Oxidant air pollutant effects on a western coniferous forest ecosystem : Task C, study site selection and on-site collection of background information / 1973
Oxidant Air Pollutant Effects on a Western Coniferous Forest Ecosystem. 1978
Oxidant Air Pollutant Effects on a Western Coniferous Forest Ecosystem: Task A, Planning Conference. 1978
Oxidant air pollution effects on a western coniferous forect [i.e. forest] ecosystem / 1982
Oxidative Transformations of Polycyclic Aromatic Hydrocarbons Adsorbed on Coal Fly Ash. 1980
Oxygen Consumption Measured with Microcomputer-Assisted Warburg Manometry. 1982
Ozone Flux in 'Glycine max' (L.) Merr.: Sites of Regulation and Relationship to Leaf Injury. 1982
Perception-Action Cycle Models, Architectures, and Hardware / [electronic resource] : 2011
Performance and Air Pollutant Emissions of an Experimental Water/Residual Oil Emulsion Burner in a Commercial Boiler. 1981
Performance Characteristics of a Multi-Stage Process for Ex-situ Treatment of Solids or Liquids Contaminated with Chlorinated Organics. 1998
Pesticide monitoring program : developing new methods to detect pesticide residues in food / 1987
Pesticide residues in coastal tropical ecosystems : distribution, fate and effects / 2003
Phenodynamics of production in a mesic deciduous forest / 1972
Photochemical oxidant air pollutant effects on a mixed conifer forest ecosystem : a progress report / 1977
Photochemical oxidant air pollution effects on a mixed conifer forest ecosystem : final report / 1980
Photosynthesis, Carbon Allocation, and Growth of Sulfur Dioxide Ecotypes of 'Geranium carolinianum' L. 1986
Physiology of Ecotypic Plant Response to Sulfur Dioxide in 'Geranium carolinianum' L. 1981
Phytoplankton water quality relationships in U.S. lakes / 1978
Phytoplankton water quality relationships in U.S. lakes / 1978
Phytoplankton water quality relationships in U.S. lakes / 1979
Phytoplankton water quality relationships in U.S. lakes. 1981
Phytoplankton water-quality relationships in U.S. lakes. Part VIII: Algae associated with or responsible for water-quality problems 1980
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems. 1980
Pilot-Scale Parametric Testing of Spray Dryer SO2 Scrubber for Low-to-Moderate Sulfur Coal Utility Applications. 1984
Plankton Ecology Project nutrient and chlorophyll data, Aesop cruises, April 1969 to April 1971 / 1977
Plant damage trends in the Los Angeles Basin, 1956-1961 1962
Plants of Bikini and other northern Marshall Islands. 1950
Pole preservatives in soils adjacent to in-service utility poles in the United States sponsored by Electric Power Research Institute and Utility Solid Waste Activities Group. 1997
Pollutant analysis cost survey / 1974
Post-market oversight of biotech foods : is the system prepared? / 2003
Potential emissions of hazardous organic compounds from sewage sludge incineration / 1987
Potential Emissions of Hazardous Organic Compounds from Sewage Sludge Incineration Project Summary 1987
Predation 1984
Prediction of water quality at Perdido Bay / 1991
Preliminary report on a geophysical and hydrological determination of the ground water flux through the bottom sediments of the upper connecting channels : Phase I / 1987
Primary productivity in the Chesapeake Bay during the summer of 1964 1967
Principles of soil-plant interrelationships 1989
Proceedings of the eighteenth annual Aquatic Toxicity Workshop : September 30 - October 3, 1991, Ottawa, Ontario. / 1992
Proceedings of Workshop on Algal Management and Control Held on 9-12 march 1980 at Pacific Grove, Calif. 1981
Product risk reduction in the chemical industry a handbook for managing product and regulatory liability / 1985
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