Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Airborne laser fluorosensing of surface water chlorophyll öa / 1979
Albemarle-Pamlico Baseline Water Quality Monitoring Data Summary 1991-1992. 1992
Albemarle-Pamlico Baseline Water Quality Monitoring Data Summary, 1988-1991. 1992
Algal Photosynthesis, Algal Abundance, and Chemistry of Lake Water at Fairmont, Minnesota. 1973
Altitudinal Variation of Chlorophyll Concentration and Reflectance of the Bark of 'Populus tremuloides.' 1972
Alum Control of Internal Phosphorus Loading in a Shallow Lake. 1982
Analysis of Pollution from Marine Engines and Effects on the Environment. 1975
Application of a simple short-term bioassay for the identification of genotoxins from hazardous wastes / 1989
Barkley Lake, Stewart and Montgomery Counties, Tennessee; Trigg and Lyon Counties, Kentucky. 1976
Benthic Invertebrates and Data Reporting Chemical, Physical and Chlorophyll Concentrations of the Klamath, Smith, and Trinity River Systems California. 1969
Biochemical studies of the Potomac estuary--summer 1978 / 1979
Biological, chemical and physical relationships in the Straits of Mackinac / 1976
Browns Ferry biothermal research series / 1978
Browns Ferry Biothermal Research Series. II. Effects of Temperature on Bluegill and Walleye, and Periphyton, Macroinvertebrate, and Zooplankton Communities in Experimental Ecosystems. 1979
Brush Lake, McLean County, North Dakota. 1976
Can Asian Dust Trigger Phytoplankton Blooms in the Oligotrophic Northern South China Sea. 2012
Characterization of Spatial and Temporal Trends in Water Quality in Puget Sound. 1988
Characterizing the Chesapeake Bay Ecosystem and Lessons Learned. 1987
Chemical and microbiological investigations of a surface coal mine settling pond / 1979
Chesapeake Bay Baseline Data Acquisition. Appendix IV. Eutrophication. 1978
Chesapeake Bay program technical studies : a synthesis / 1982
Chesapeake Bay, Submerged Aquatic Vegetation Habitat Requirements and Restoration Targets: A Technical Synthesis, U.S. Environmental Protection Agency, December 1992. 0
Chlorophyll Concentration and Oxygen Production in a Sewage Oxidation Pond. Part III. Improvement of Oxidation Pond Effluents by Organisms. 1964
Cladophora distribution in Lake Ontario (IFYGL) / 1974
Community structure, nutrient dynamics, and the degradation of diethyl phthalate in aquatic laboratory microcosms 1982
Comparison of Mid-Bay and lateral station water quality data in the Chesapeake Bay Mainstem : Chespaeake Bay Program. 1993
Comparison of some new and old indices and measurements of trophic state / 1979
Contribution of Marine Algae to Trihalomethane Production in Chlorinated Estuarine Water. 1979
Conversation of Dissolved Manganese to Particulate Manganese During Diatom Bloom: Effects on the Manganese Cycle in the MERL Microcosms. 1982
Dale Hollow Reservoir, Clinton and Cumberland Counties, Kentucky and Clay, Overton, and Pickett Counties, Tennessee. 1977
Deerfield Lake, Pennington County, South Dakota. 1977
Degradation of the Peritrophic Membrane of Fresh-Water Zooplankton Fecal Pellets. 1983
Derivation of Fluorometric Chlorophyll and Pheophytin Equations (Journal Version). 1981
Development of a Mathematical Water Quality Model for Grays Harbor and the Chehalis River, Washington. 1974
Diel Flux of Dissolved Carbohydrate in a Salt Marsh and a Simulated Estuarine Ecosystem. 1982
Distribution of phytoplankton in Illinois lakes / 1978
Distribution of phytoplankton in Mississippi lakes / 1977
Effect of Acid Gases on the Pigment Composition of the Leaves of Trees and Lawn Plants (Vliyanie Kislykh Gazov na Pigmentnyi Sostav Listev Drevesnykh i Gazonykh Rastenii). 1971
Effect of Environmental Factors on Phytoplankton Growth: Light and the Interactions of Light with Nitrate Limitation (Journal Version). 1981
Effect of pH on the Release of Phosphorus from Potomac River Sediments. 1986
Effect of Phosphorus Control Options on Lake Water Quality. 1979
Effect of Phosphorus Control Options on Lake Water Quality. 1979
Effects of Decreased Nutrient Loading on the Limnology of Diamond Lake, Oregon. Appendix. 1979
Effects of Different Mixing Schedules on Phytoplankton, Zooplankton and Nutrients in Marine Microcosms. 1981
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of Drilling Fluids on 'Thalassia testudinum' and Its Epiphytic Algae. 1986
Effects of Nitrogen Oxides on Vegetation. 1985
Effects of nutrient enrichment, light intensity, and temperature on growth of phytoplankton from Lake Huron / 1979
Effects of Physical Gradients on the Production Dynamics of Sediment-Associated Algae. 1983
Effects of UV Radiation on Plants in the Transition Region to Blue Light. 1985
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