Search Results for the EPA National Library Catalog

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Ecological recovery after reclamation of toxic spoils left by coal surface mining : phase 1 : a baseline assessment of environmental conditions prior to application of intensive remedial treatments / 1979
Ecology and Productivity of Strip-Mine Areas in Mercer County, Pennsylvania. 1974
Ecology of Patterned Boreal Peatlands of Northern Minnesota: A Community Profile. 1987
Economics of Air and Water Pollution. 1969
Effect of Acid Gases on the Pigment Composition of the Leaves of Trees and Lawn Plants (Vliyanie Kislykh Gazov na Pigmentnyi Sostav Listev Drevesnykh i Gazonykh Rastenii). 1971
Effect of Aerosolization on Subsequent Bacterial Survival. 1992
Effect of an Activated Sludge Wastewater Treatment Plant on Ambient Air Densities of Aerosols Containing Bacteria and Viruses. 1985
Effect of Cadmium on the Root and Nodule Ultrastructure of 'Alnus rubra'. 1980
Effect of Chlorine on Stress Ethylene Production. 1977
Effect of Nitrogen Oxides on Several Plants (Chisso Sankabutsu no Nisan Shokubutsu ni Oyobosu Eikyo). 1974
Effects of Acidification on Stream Ecosystems. 1982
Effects of Daily Ozone Exposure Duration and Concentration Fluctuation on Yield of Tobacco. 1987
Effects of Extreme Floods and Placer Mining on the Basic Productivity of Sub Arctic Streams. 1971
Effects of Ozone on Plants in the United States. 1984
Effects of Ozone on Root Processes. 1978
Effects of photochemical oxidants on plants / 1984
Effects of Photochemical Reaction Substances on Plants (Kokagaku Hanno Busshitsu no Shokubutsu ni Oyobosu Eikyo). 1974
Effects of Pollution on Freshwater Organisms. 1987
Effects of Pollution on Freshwater Organisms. 1985
Effects of Pollution on Freshwater Organisms. Fate and Effects of Pollutants. 1986
Effects of Rainfall Acidification on Plant Pathogens. 1980
Effects of Reduced Use of Lead in Gasoline on Vehicle Emissions and Photochemical Reactivity. 1972
Effects of Sewage Sludge on Di- (2-Ethylhexyl) Phthalate Uptake by Plants. 1989
Effects of Soil Moisture on Structural and Biomass Characteristics of Four Salt Marsh Plants. 1987
Effects of Sulfur Oxides in the Atmosphere on Vegetation; Revised Chapter 5 for 'Air Quality Criteria for Sulfur Oxides'. 1973
Effects of the Ratio of Hydrocarbon to Oxides of Nitrogen in Irradiated Auto Exhaust. 1966
Effects of Toxicants on Plankton. 1982
Effects of Ultraviolet-B Irradiance on Soybean. V. The Dependence of Plant Sensitivity on the Photosynthetic Photon Flux Density during and After Leaf Expansion. 1984
Effects of Ultraviolet-B Irradiation on Plants during Mild Water Stress. 1. Effects on Diurnal Stomatal Resistance. 1983
Effects of Ultraviolet-B Radiation on Plants during Mild Water Stress. Effects on Photosynthetic Recovery and Growth in Soybean. 1984
Effects of Ultraviolet-B Radiation on Plants during Mild Water Stress. IV. The Insensitivity of Soybean Internal Water Relations to Ultraviolet-B Radiation. 1984
Effects of Ultraviolet-B Radiation on Terrestrial Plants and Marine Organisms. 1989
Effects of Ultraviolet-B Radiation on the Growth and Yield of Crop Plants. 1983
Effects of UV Radiation on Plants in the Transition Region to Blue Light. 1985
Elementary Mathematical Problem Arising in Diatom Taxonomy. 1981
Elkins mine drainage pollution control demonstration project. 1977
Elkins Mine Drainage Pollution Control Demonstration Project. 1970
Emission rates for biogenic NOx 1978
Endosulfan : ambient water quality criteria. 1978
Endrin : ambient water quality criteria. 1978
Energy Supply, Demand/Need and the Gaps Between. Volume II. Monograph, Working Papers and Appendix Papers. 1974
Energy/Environment II. Proceedings of National Conference on the Interagency R and D Program (2nd) Held at Washington, D.C. on June 6 and 7, 1977. 1977
Environmental applications of advanced instrumental analyses : assistance projects, FY 75 / 1977
Environmental assessment of an oil-fired controlled utility boiler / 1980
Environmental changes from long-term land applications of municipal effluents : technical report / 1978
Environmental chemicals: Human and animal health. 1972
Environmental effects of fluoride : Glacier National Park and vicinity / 1974
Environmental effects of increased coal utilization : ecological effects of gaseous emissions from coal combustion / 1978
Environmental Fate of Hexazinone. 1996
Environmental fates and impacts of major forest use pesticides / 1981
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