Search Results for the EPA National Library Catalog

Items Found: 1987
Showing: Items 801 - 850
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Estimating critical loads of sulfate to surface waters in the Northeastern United States : a comparative assessment of three procedures for estimating critical loads of sulfate for lakes / 1993
Estimating critical loads of sulfate to surface waters in the Northeastern United States : a comparative assessment of three procedures for estimating critical loads of sulfate for lakes / 1991
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1994
Estuarine Component of the US E.P.A.'s Environmental Monitoring and Assessment Program. 1992
Estuarine habitat assessment protocol / 1991
Estuary Studies (161.3). Training Manual. 1972
Evaluating Cumulative Effects of Disturbance on the Hydrologic Function of Bogs, Fens, and Mires. 1988
Evaluating Cumulative Effects on Wetland Functions: A Conceptual Overview and Generic Framework. 1988
Evaluating Ecosystem Effects of Oyster Restoration in Chesapeake Bay. A Report to the Maryland Department of Natural Resources. 2005
Evaluating the Cumulative Effects of Alteration on New England Wetlands. 1988
Evaluation of a Site-Specific Criterion Using Outdoor Experimental Streams. 1985
Evaluation of avian richness in Willamette Valley wetlands and riparian areas: research plan. {Microfiche} / by P.R. Adamus, et al. 1995
Evaluation of Color Imagery and Direct Referencing for Mapping Submersed Aquatic Vegetation in Chesapeake Bay. Final Report. 2009
Evaluation of dredged material proposed for discharge in waters of the U.S. - testing manual (draft) : inland testing manual / 1994
Evaluation of EMAP-wetlands sampling design using national wetlands inventory data / 1993
Evaluation of Intact Soil-Core Microcosms for Determining Potential Impacts on Nutrient Dynamics by Genetically Engineered Microorganisms. 1990
Evaluation of Methods for Detecting Ecological Effects from Genetically Engineered Microorganisms and Microbial Pest Control Agents in Terrestrial Systems. 1992
Evaluation of Potential Confounding Factors in Sediment Toxicity Tests with Three Freshwater Benthic Invertebrates. 1994
Evaluation of terrestrial indicators for use in ecological assessments at hazardous waste sites / 1992
Evaluation of Terrestrial Microcosms for Detection, Fate, and Survival Analysis of Genetically Engineered Microorganisms and Their Recombinant Genetic Material. 1989
Evolution from the Galapagos Two Centuries after Darwin / [electronic resource] : 2013
Evolution in a Toxic World How Life Responds to Chemical Threats / [electronic resource] : 2012
Evolution in Lake Tai Ecosystems as a Result of Global Environmental Changes and Human Activities. 1996
Examination of the Effects of Habitat Quality, Land Use, and Acidification on the Macroinvertebrate Communities of Coastal Plain Streams. 1996
Examining Linkages Between Contaminant Inputs and Their Impacts On Living Marine Resources of the Massachusetts Bay Ecosystem Through Application of the Sediment Quality Triad Method. Report to the Massachusetts Bays Program. 1995
Example environmental assessment program for estuaries / 1991
Example environmental assessment report for estuaries / 1991
Exeter River Alewife Festival, 2005. 2005
Experimental Acidification of a Stream in the Hubbard Brook Experimental Forest, New Hampshire. 1980
Experimental acidification of a stream tributary to Hubbard Brook / 1986
Experimental acidification of Little Rock Lake (Wisconsin) : fish research approach and early responses / 1989
Experimental Inducement of Nitrogen Saturation at the Watershed Scale. 1993
Experimental marine microcosm test protocol and support document : measurement of the ecological effects, fate and transport of chemicals in a site specific marine ecosystem {microfiche} / by K.T. Perez and E.W. Davey. 1990
Experimental Marine Microcosm Test Protocol and Support Document. Measurement of the Ecological Effects, Fate and Transport of Chemicals in a Site-Specific Marine Ecosystem. 1983
Explanation for the Decline of Bacteria Introduced into Lake Water. 1990
Explanatory Models for Ecological Response Surfaces. 1993
Exposure analysis modeling system (EXAMS II) : user's guide for version 2.97.5 / 1997
Exposure Analysis Modeling System (EXAMS) : user manual and system documentation / 2000
Exposure Analysis Modeling System : reference manual for EXAMS II / 1985
Exposure and effects of airborne contamination for the Great Waters Program report : chapter 2.2 / 1992
Exposure Assessment Methodologies for Humans and Ecosystems. 1994
Extensions to a Model of Variable-Width Riparian Buffers, with an Application to Woody Debris Recruitment. 2000
Extent and magnitude of recent changes in forest condition and the role of air pollution and non-air pollution factors / 1990
Extent of Ozone's Reaction with Isolated Aquatic Fulvic Acid. 1986
Extremely Low Frequency (ELF) Communications System Ecological Monitoring Program: Summary of 1983 Progress. 1984
Facilitating public access to government environmental monitoring data : the Living Everglades web site. 2003
Facilitating public access to government environmental monitoring data the living everglades web site. {electronic resource} : 2003
Fact sheet update : listing of fish and wildlife advisories. 1998
Fact sheet update : listing of fish and wildlife advisories. 1997
Fact Sheet: Aquatox Release 1: Simulation Model for Aquatic Ecosystems 2000
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