Search Results for the EPA National Library Catalog

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Physical and Chemical Stratification in Two High Altitude Reservoirs of the Colorado River Basin. 1963
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
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 Estuaries Partnership Comprehensive Conservation and Management Plan Update: Stakeholder Input and Meeting Summary Report. 2009
Plants and pollutants in developed and developing countries 1989
Pollutant Dynamics as Influenced by Seagrass Beds: Experiments with Tributyltin in 'Thalassia' Microcosms. 1990
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
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems. 1989
Potential intertidal habitat restoration sites in the Duwamish River Estuary 1991
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Prediction of Substrate Removal Rates of Attached Microorganisms and of Relative Contributions of Attached and Suspended Communities at Field Sites. 1988
Preliminary Evaluation of Potential Effects of Bathymetric Alterations of the Chesapeake and Delaware Canal on Striped Bass. 1992
Priorities for Coastal Ecosystem Science. 1994
Prioritization of Pesticide Active Ingredients (PAIs): Based on Commonly Known Environmental Characteristics. 1990
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report / 1998
Probable causes of trends in selected living resources in the Galveston Bay system 1993
Procedures for the derivation of equilibrium partitioning sediment benchmarks (ESBs) for the protection of benthic organisms : dieldrin / 2003
Procedures for the derivation of equilibrium partitioning sediment benchmarks (ESBs) for the protection of benthic organisms : PAH mixtures / 2003
Proceedings : biostimulation - nutrient assessment workshop / 1975
Proceedings : Delmarva Coastal Bays Conference III : tri-state approaches to preserving aquatic resources, November 12-13, 1999, Ocean City, Maryland / 2000
Proceedings of symposium : biological criteria : research and regulation / 1991
Proceedings of the First National Workshop on Biological Criteria : held in Lincolnwood, Illinois, December 2-4, 1987 / 1988
Proceedings of the ocean dumping workshop, 106-mile site held March 28-30, 1989, Ocean City, NJ 1989
Proceedings: Galveston Bay Characterization Workshop. Held on February 21-23, 1991. 1992
Proceedings: Integrated Research Planning Meeting for Gulf of Mexico Estuaries. Held in Gulf Breeze, Florida on November 2-3, 1993. 1994
Progress in the National Estuary Program : report to Congress. 1990
Propeller Scar Monitoring Program for the Tampa Bay Estuary Program. 1996
Proposed Methods and Approaches for Numeric Nutrient Criteria for Florida's Inland Waters. 2009
Proposed Water Quality Guidance for the Great Lakes System. 1993
Protection and Restoration of Marine Life in the Inland Waters of Washington State. 1997
Puget Sound Research '95 Proceedings. Held Meydenbauer Center, Bellevue, Washington, January 12-14, 1995. 1995
QSARs for Photoinduced Toxicity: 1. Acute Lethality of Polycyclic Aromatic Hydrocarbons to 'Daphnia magna'. 1994
Quality assurance project plan for evaluating and refining the estuarine habitat assessment protocol on Puget Sound and Pacific Northwest reference sites 1993
Radioecology in Nordic limnic systems - present knowledge and future prospects. 1991
Realistic approaches to better floodplain management [Microfiche] : proceedings of the Eleventh Annual Conference of the Association of State Floodplain Managers, June 8-13, 1987, Seattle, Washington. 1987
Recommendation for the 2003 Directive on Expanded Riparian Forest Buffer Goals in the Chesapeake Watershed. 2003
Recommendations for (a) the Reauthorization of the National Invasive Species Act of 1996, and (b) the National Ballast Management Program, to Address Issues of Concern for the Chesapeake Bay Region. 2001
Recommended biological indices for 301(h) monitoring programs : final report / 1987
Regional Framework for Establishing Recovery Criteria. 1990
Regional Patterns in Three Biological Indicators of Stream Condition in Ohio. 1991
Regulatory impact analysis of the final Great Lakes water quality guidance. 1995
Regulatory Impact Analysis of the Proposed Great Lakes Water Quality Guidance. 1993
Removing impediments to migratory fishes in the Chesapeake Bay watershed : annual progress report 1995 / 1996
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