Search Results for the EPA National Library Catalog

Items Found: 1988
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Select Item Title Year Published
Persistence of chlorinated hydrocarbon contamination in a California marine ecosystem / 1989
Persistence of DDT Residues and Dieldrin Off a Pesticide Processing Plant in San Francisco Bay, California. 1999
Personal Computers and Environmental Engineering. Part 1. Trends and Perspectives. 1987
Perspective on the Role of Microcosms in Environmental Fate and Effects Assessments. 1982
Perspectives on the Chesapeake Bay, 1990 : advances in estuarine sciences / 1990
Pesticidal Aspects of Chlordane in Relation to Man and the Environment. 1976
Pesticide Inputs and Risks in Coastal Wetlands. 1993
Pesticide Usage and Its Impact on the Aquatic Environment in the Southeast. Pesticide Study Series - 8. 1972
Pesticides in natural systems : how can their effects be monitored? : Proceedings of the conference. 1991
Petroleum Hydrocarbons and Their Effects on Marine Organisms, Populations, Communities, and Ecosystems. 1979
Phaeocystis, major link in the biogeochemical cycling of climate-relevant elements [electronic resource] / 2007
Phenology of Ecosystem Processes Applications in Global Change Research / [electronic resource] : 2009
Phosphorus-Chlorophyll 'a' Relationship in Periphytic Communities in a Controlled Ecosystem. 1982
Photochemical Air Pollutant Effects on Mixed Conifer Ecosystems. 1977
Photochemical oxidant air pollutant effects on a mixed conifer forest ecosystem : a progress report / 1977
Physical and Chemical Factors That Influence the Anaerobic Degradation of Methyl Parathion in Sediment Systems. 1986
Physical and Chemical Stratification in Two High Altitude Reservoirs of the Colorado River Basin. 1963
Physical and Mathematical Modeling of Nitrification in a Lotic System. 1978
Physical Impacts to Habitats in Tampa Bay. 1994
Physiological Limitations on Phytoplankton Productivity in the Ocean. 1992
Phytoplankton and zooplankton composition, abundance and distribution and trophic interactions : offshore region of Lakes [i.e. Lake] Erie, Lake Huron and Lake Michigan : 1985 / 1989
PHYTOTOX: Database Dealing with the Effect of Organic Chemicals on Terrestrial Vascular Plants. 1984
Pilot Studies Comparing Above and Below-Ground Effects of Radionuclide Accumulation in Selected Species. 1995
Pilot study to evaluate biological, physical, chemical, and land-use characteristics in Maryland coastal plain streams 1993
Pilot Study to Evaluate Biological, Physical, Chemical, and Land-Use Characteristics in Maryland Coastal Plain Streams. Year 2. 1995
Pintail Lake and Redhead Marsh : created wetlands in Northern Arizona. 1993
PIRLA Project (Paleoecological Investigation of Recent Lake Acidification): An Introduction to the Synthesis of the Project. 1990
Piscataqua Region 2010 Comprehensive Conservation and Management Plan. 2010
Piscataqua Region Estuaries Partnership Comprehensive Conservation and Management Plan Update: Stakeholder Input and Meeting Summary Report. 2009
Plant Ecology, Herbivory, and Human Impact in Nordic Mountain Birch Forests [electronic resource] / 2005
Plant Physiological Ecology [electronic resource] / 2008
Plant Responses to Air Pollution and Global Change [electronic resource] / 2005
Plant Uptake of Sludge-Borne PCBs. 1990
Plants and pollutants in developed and developing countries 1989
POEM: Pesticide Orchard Ecosystem Model. 1983
Policy assessment for the review of the lead national ambient air quality standards. 2014
Pollutant Dynamics as Influenced by Seagrass Beds: Experiments with Tributyltin in 'Thalassia' Microcosms. 1990
Pollutants of concern in Puget Sound 1991
Pollution control technical manual for Lurgi-based indirect coal liquefaction and SNG / 1983
Pollution Impacts at the Stand and Ecosystem Levels. 1992
Pollution of Slocum Creek, Havelock, North Carolina. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration. 1969
Pollution of Slocum Creek, Havelock, North Carolina. Appendices. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration. 1969
Pollution prevention : meeting the environmental challenges of the 1990s : Region 5 FY91 accomplishments. 1991
Population Models for Stream Fish Response to Habitat and Hydrologic Alteration: The CVI Watershed Tool. 2004
Potential Effects of Global Climate Change on the United States. Executive Summary. Draft. 1988
Potential Frameworks for Reporting on Ecological Condition and Ecosystem Services for the 2011 National Wetland Condition Assessment. 2011
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems. 1988
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems. 1989
Potential intertidal habitat restoration sites in the Duwamish River Estuary 1991
Predicting 2,4-Dichlorophenoxyacetic Acid Ester Transformation Rates in Periphyton-Dominated Ecosystems. 1983
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