Search Results for the EPA National Library Catalog

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Ecology and management of forest soils / 2000
Economic Analysis, Root Control, and Backwater Flow Control as Related to Infiltration/Inflow Control. Appendices. 1977
Ecoregions and Subregions of Iowa: A Framework for Water Quality Assessment and Management. 1994
Ecoregions of Alaksa. 1995
Ecoregions of Tennessee. 1997
Ecoregions of the conterminous United States / 1986
Ecoregions of the Upper Midwest States / 1988
Ecosystem stress from chronic exposure to low levels of nitrate / 2005
Education of Best Management Practices in the Arroyo Colorado Watershed. 2009
Effect of capillarity and soil structure on flow in low permeability saturated soils at disposal facilities / 1987
Effect of detergent-laden water on the growth of corn 1973
Effect of geology on soil mass movement activity in the Pacific Northwest / 1984
Effect of Natural Ventilation on Radon and Radon Progeny Levels in Houses. 1991
Effect of Sediment Organic Carbon on Survival of 'Hyalella azteca' Exposed to DDT and Endrin. 1989
Effect of Simulated Sulfuric Acid Rain on the Chemistry of a Sulfate-Adsorbing Forest Soil. 1985
Effect of SO2 and NOx on the soil ecosystems : final report 1978
Effect of soil moisture content upon adsorption and movement of phosphorus from leachates of domestic waste disposal systems completion report / 1980
Effects of accumulation of air pollutants in forest ecosystems : proceedings of a workshop held at Gèottingen, West Germany, May 16-18, 1982 / 1983
Effects of Acid Precipitation on a Typic Quartzipsamment Soil in Florida. 1985
Effects of acid precipitation on soil leachate quality : computer calculations / 1980
Effects of Acid Precipitation. 1979
Effects of acid rain on forest nutrient status 1985
Effects of acidic deposition on the chemical form and bioavailablity of soil aluminum and manganese 1987
Effects of burn/low-till on erosion and soil quality 2001
Effects of CO2 and climate change on forest trees : research plan. 1993
Effects of deicing salts on plant biota and soil experimental phase / 1976
Effects of Drying Treatments on Porosity of Soil Materials. 1985
Effects of fertilizer made from flue gas and fly ash on selected crops and soils 1979
Effects of flue gas cleaning waste on groundwater quality and soil characteristics / 1979
Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon / 1979
Effects of forest management on soil carbon storage. 1992
Effects of heavy metal pollution on decomposition in forest soils / 1975
Effects of mechanical agitation on drying rate of fine-grained dredged material : final report / 1977
Effects of organic solvents on the permeability of clay soils / 1983
Effects of organic solvents on the permeability of clay soils / 1983
Effects of organic solvents on the permeability of clay soils / 1983
Effects of ozone on nitrogen fixation in ladino clover / 1976
Effects of Selected Inorganic Leachates on Clay Permeability. 1987
Effects of sludge irrigation on three Pacific Northwest forest soils / 1980
Effects of sulfuric acid rain on two model hardwood forests : throughfall, litter leachate, and soil solution / 1980
Effects of Synthetic Polyelectrolytes on Selected Aquatic Organisms. 1986
Effects of tillage and nitrogen fertilization on nitrogen losses from soils used for corn production 1990
Effects of tillage system, crop residue level, and fertilizer application technique on losses of phosphorus and pesticides from agricultural lands 1987
Effects of using sewage sludge on agricultural and disturbed lands / 1983
Effects of variable hardness, pH, alkalinity, suspended clay, and humics on the chemical speciation and aquatic toxicity of copper 1986
Efficiency of soil core and soil-pore water sampling systems 1986
Efficiency of soil core and soil-pore water sampling systems / 1987
Effingham County soils, 1931
Eighteenth Annual Risk Reduction Engineering Laboratory Research Symposium : abstract proceedings / 1992
EIIP Volume 5: Biogenic Sources Preferred and Alternative Methods. 1997
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