Search Results for the EPA National Library Catalog

Items Found: 1988
Showing: Items 1901 - 1950
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Updated Review of Estuarine Aquatic Toxicity Data for the Development of Aquatic Life Criteria for Atrazine in Chesapeake Bay. Phase 2 Report. 1994
Uptake of Planar Polychlorinated Biphenyls and 2,3,7,8-Substituted Polychlorinated Dibenzofurans and Dibenzo-p-dioxins by Birds Nesting in the Lower Fox River and Green Bay, Wisconsin, USA. 1993
Urban Soils / 2017
Use and Development of Environmentally Controlled Chambers (Mesocosms) for Evaluating Biotechnology Products: The Proceedings of the Workshop on the Use and Development of Terrestrial Mesocosms. 1991
Use of Biomonitoring to Control Toxics in the United States. 1987
Use of Greenhouse Chambers for Enhancing Growth of Tundra Transplants on Gravel Fill in Prudhoe Bay, Alaska. 1994
Use of Linear Free Energy Relationships and an Evaluative Model to Assess the Fate and Transport of Phthalate Esters in the Aquatic Environment. 1980
Use of MERL Microcosms to Study the Fates and Effects of Marine Pollutants. 1979
Use of Microbes for Control and Eradication of Invasive Arthropods [electronic resource] / 2009
Use of Microcosms for Evaluation of Interactions between Pollutants and Microorganisms. 1983
Use of Scavenging Ratios for the Inference of Surface-Level Concentrations and Subsequent Dry Deposition of Ca(2+), Mg(2+), Na(1+), and K(1+). 1990
Use of the Aquatic Oligochaete 'Lumbriculus variegatus' for Assessing the Toxicity and Bioaccumulation of Sediment-Associated Contaminants. 1993
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems / 1989
Use of Watershed Characteristics to Select Control Streams for Estimating Effects of Metal Mining Wastes on Extensively Disturbed Streams. 1985
User's guide and data dictionary for Kenai Lakes Investigation Project / 1992
User's Guide to Chesapeake Bay Program Biological and Living Resources Monitoring Data, 2000. 2000
Using Landscape Metrics to Develop Indicators of Great Lakes Coastal Wetland Condition. 2006
Using reproductive and developmental effects data in ecological risk assessments for oviparous vertebrates exposed to contaminants / 1998
Using the Sediment Quality Triad to Characterize Toxic Conditions in the Chesapeake Bay (2002): An Assessment of Tidal River Segments in the Bohemia, Elk, Northeast, and Severn Rivers. 2005
UTAB Users Manual. Microcomputer Version. First Edition, 1991. 1991
Utilization of a saltwater marsh ecosystem for the management of seafood processing wastewater / 1986
UV exposure of coral assemblages in the Florida Keys / 2003
UV-B Effects on Terrestrial Ecosystems. 1900
UV-B Effects on Terrestrial Plants. 1989
Valuation for Environmental Policy: Ecological Benefits. 2007
Variability in Diatom and Chrysophyte Assemblages and Inferred pH: Paleolimnological Studies of Big Moose Lake, New York, USA. 1991
Vernal Pool Creation and Restoration in California: A Study Plan for Evaluating Attainable Quality and Functional Performance. 1995
Viral pesticides : present knowledge and potential effects on public and environmental health : symposium proceedings / 1978
Volunteer Lake Monitoring Program, 1989. Volume 6. Southwestern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 7. Southern Illinois Region. 1990
Volunteer monitoring. 1993
Vulnerability Assessments in Support of the Climate Ready Estuaries Program: A Novel Appraoch Using Expert Judgment. Volume I. Results for the Massachusetts Bays Program. 2012
Vulnerability Assessments in Support of the Climate Ready Estuaries Program: A Novel Appraoch Using Expert Judgment. Volume II. Results for the Massachusetts Bays Program. 2012
Wadeable streams assessment : a collaborative survey of the nation's streams. 2006
Wadeable streams assessment field operations manual. 2004
Waste Treatment Protozoa Flagellata. 1962
Wastewater treatment by natural and artificial marshes / 1976
Wastewater Treatment, Plant Dynamics and Management in Constructed and Natural Wetlands [electronic resource] / 2008
WasteWise update : moving toward sustainability. 2000
Water and Nutrient Management in Natural and Constructed Wetlands [electronic resource] / 2011
Water Chlorination Environmental Impact and Health Effects Volume 4 Book 2: Environment, Health, and Risk 1983
Water quality assessment of proposed effluent guidelines for the pulp, paper, and paperboard industry. 1993
Water quality benefits analysis for proposed pretreatment standards for existing and new sources for the industrial laundries point source category. 1997
Water quality benefits analysis of final effluent limitations guidelines and standards for the coastal subcategory of the oil and gas extraction industry. 1996
Water quality criteria and standards for the 21st century : 4th national conference / 1994
Water quality criteria research of the U.S. Environmental Protection Agency : proceedings of an EPA-sponsored Symposium on Marine, Estuarine and Fresh Water Quality, presented at the 26th annual meeting of the AIBS, August 1975 / 1976
Water quality criteria, 1972 : a report of the Committee on Water Quality Criteria, Environmental Studies Board, National Academy of Sciences, National Academy of Engineering, Washington, D.C., 1972. 1974
Water quality effects and nonpoint source control for forestry : an annotated bibliography / 1993
Water quality effects of hyporheic processing / 2000
Water Quality Functions of Riparian Forest Buffer Systems in the Chesapeake Bay Watershed. 1995
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